National Instruments FP-3000 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones National Instruments FP-3000. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica National Instruments FP-3000 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual National Instruments FP-3000 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales National Instruments FP-3000, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones National Instruments FP-3000 debe contener:
- información acerca de las especificaciones técnicas del dispositivo National Instruments FP-3000
- nombre de fabricante y año de fabricación del dispositivo National Instruments FP-3000
- condiciones de uso, configuración y mantenimiento del dispositivo National Instruments FP-3000
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de National Instruments FP-3000 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de National Instruments FP-3000 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico National Instruments en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de National Instruments FP-3000, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo National Instruments FP-3000, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual National Instruments FP-3000. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    FieldPoint ™ FP-3000 Network Module User Manual FieldPoint FP-3000 User Manual January 1999 Edition Part Number 3221 69A-01[...]

  • Página 2

    Worldwide Technical Support and Product Info rmation http://www.natinst.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 011 284 5011, Canada (Ontario) 905 785 0085, Canada (Québ[...]

  • Página 3

    Important Information Warranty The FieldPoint FP-30 00 netw ork mo du le i s wa rranted against d efects in mate rials an d wo rkma nshi p fo r a period of o ne year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment th at proves to be defective duri ng t[...]

  • Página 4

    © National Instruments Corporation v FieldPoint FP-3000 User Manual Contents About This Manual Conventions ............ ........... ........... ............... ........... ........... ........... ............... ........... ....... x v Related Documentation ......... ... ........... ... ........... ........... ... ............ .. ............ ....[...]

  • Página 5

    Contents FieldPoint FP-3000 User Manual vi © National Instruments Corporation Chapter 3 Example Applications Initial Power On: Assigning Address and Dev ice Tag .................................................. 3-1 Example 1: Converting a 4–20 mA Pressure Sensor to Fieldbus Using FP-3000 ........ 3-2 Getting Started ................. .. .......[...]

  • Página 6

    Contents © National Instruments Corporation vii FieldPoint FP-3000 User Manual Chapter 4 Block Reference Block Overview .................... ........... ............ .. ............ ........... ... ........... ........... ... ........... .. 4-1 Function Blocks ............ ........... .............. ........... ............ .............. ........[...]

  • Página 7

    Contents FieldPoint FP-3000 User Manual viii © National Instruments Corporation FP_CJC_SOURCE................... ........... ............ .............. ........... ........... ............ 4-15 FP_MOD_STATUS .............. .............. ............ ........... ........... .............. ............ 4-15 FP_NOISE_REJECTION ................. ...[...]

  • Página 8

    Contents © National Instruments Corporation ix FieldPoint FP -3000 User Manual BYPASS .............. .............. ............ ........... ........... .............. ............ ........... ....... C-4 CHANNEL ................ ........... .............. ........... ............ .............. ........... ........... .. C-4 CHECKBACK ...........[...]

  • Página 9

    Contents FieldPoint FP-3000 User Manual x © National Instruments Corporation LO_PRI ................ ............ .............. ........... ........... .............. ............ ........... ...... C-13 LOW_CUT.................... ........... ........... .............. ............ ........... ........... ............ C-13 MANUFAC_ID ...........[...]

  • Página 10

    Contents © National Instruments Corporation xi FieldPoint FP-3000 User Manual WRITE_ALM............ ........... ........... .............. ............ ........... ........... .............. .. C-22 WRITE_LOCK....... ........... ............ .............. ........... ........... ............ .............. .... C-22 WRITE_PRI ....................[...]

  • Página 11

    Contents FieldPoint FP-3000 User Manual xii © National Instruments Corporation Figure 2-12. FP-3000 Connector Pinout .................................................................... 2-12 Figure 2-13. LEDs on the FP-3000...................... ........... ............ ........... .............. ...... 2-12 Figure 2-14. FP-3000 Firmware Update Di[...]

  • Página 12

    Contents © National Instruments Corporation xiii FieldPoint FP -3000 User Manual Table C-3. Checkback States .................. ............ .............. ........... ........... .............. .. C-5 Table C-4. Control Options .................... ............ ........... .............. ........... ............ .... C-6 Table C-5. Feature Parame[...]

  • Página 13

    © National Instruments Corporation xv FieldPoint FP-3000 User Manual About This Manual This manual describes how to use your FieldPoint FP-3000 Netw ork Module. Conventions The following con ventions appear in this manual: » The » symbol leads you through nested menu items and dialog box options to a final action. The sequence File»Page Set up?[...]

  • Página 14

    © National Instruments Corporation 1-1 FieldPoint FP-3000 User Manual 1 FP-3000 Network Module Over view This chapter provides an overview of the FP-3000 network module. Over view of the FP-3000 Network Module The FP-3000 is an intelligent network interface and controller module that manages a bank of up to nine FieldPoint I/O modules and terminal[...]

  • Página 15

    Chapter 1 FP-3000 Network Module Over view FieldPoint FP-3000 User Manu al 1-2 © National Instruments Corporation Figure 1-1. Fieldbus Network Setup The FP-3000 network module prov ides a Fieldb us interface to con v entional analog and discrete I/O devices. F or ex ample, the FP-3000 makes a 4–20 mA pressure transmitter connected to a FieldPoin[...]

  • Página 16

    Chapter 1 FP-3000 Network Module Over view © National Instruments Corporation 1-3 FieldPoint FP-3000 User Manual Features of the FP-3000 Network Module Function Blocks Conventional devices connected to I/O modules are made visible as Fieldbus function blocks. Function blocks are software modules which describe the fundamental elements of an I/O or[...]

  • Página 17

    Chapter 1 FP-3000 Network Module Over view FieldPoint FP-3000 User Manu al 1-4 © National Instruments Corporation Interoperability The FP-3000 network module can send or receive data from any Fieldbus-compliant device. The PID block in the FP-3000 can get its input from any Fieldbus-compliant device; it can also control any Fieldbus-compliant outp[...]

  • Página 18

    © National Instruments Corporation 2-1 FieldPoint FP-3000 User Manual 2 Installation and Configuration This chapter describes how to install device description files, mount your FieldPoint FP-3000 network module, connect the terminal bases, connect power to the network module, and connect the FP-3000 to a Fieldbus network. Install the Device Descr[...]

  • Página 19

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-2 © National Instruments Corporation Figure 2-1. NI-FBUS Configuration Utility Dialog Box 4. Click on the DD Info button. The follo wing dialog box appears. Figure 2-2. DD Info Dialog Box 5. Click on the Import DD b utton. The follo wing dialog box appears.[...]

  • Página 20

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-3 FieldPoint FP-3000 User Manual Figure 2-3. Import DD Dialog Box 6. Enter the file name for the device description into the entry field, then click on OK . If the import process is successful, the follo wing dialog box appears, indicating that the software instal lati o[...]

  • Página 21

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-4 © National Instruments Corporation Mount the FP-3000 and T erminal Bases You can mount your FieldPoint system either to a DIN rail or directly on a panel. Panel mounting is generally the more secure option, but DIN rail mounting might be more convenient for your applicati[...]

  • Página 22

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-5 FieldPoint FP-3000 User Manual Figure 2-6. Mounting the FP-3000 onto a DIN Rail 3. Slide the FP-3000 to the desired position along the DIN rail. After the FP-3000 is in position, lock it to the DIN rail b y pushing th e rail clip to the locked position, as sh o wn in F[...]

  • Página 23

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-6 © National Instruments Corporation 3. T o add more terminal bases, install them on the rail and connect their local bus connectors together . A single FP-3000 can su pport up to nine terminal bases. 4. Place the protecti v e cov er (from the bag of accessories that came w[...]

  • Página 24

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-7 FieldPoint FP-3000 User Manual Figure 2-8. Installing the Network Panel Mount Accessory 3. Lock the panel mount accessory into place by pushing the rail clip to the locked position, as shown in Figure 2-5. 4. Mount the FP-3000 to your panel with the panel mount accesso[...]

  • Página 25

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-8 © National Instruments Corporation connectors should remain firmly mated after all the bases are mounted to the panel. 5. Place the protecti v e cov er (from the bag of accessories that came with your FP-3000) onto the local bus connector of the last terminal base on the [...]

  • Página 26

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-9 FieldPoint FP-3000 User Manual Connect Power to the FP-3000 An 11–30 VDC power supply is required by each FP-3000 on your network. The FP-3000 filters and regulates this supp lied power and provides power for all the I/O modules in the bank. Therefore, you do not nee[...]

  • Página 27

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-10 © National Instruments Corporation This is the amount of power the network module consumes from the power supply to power itself and the I/O modules. It does not include any po wer consumed by de vices that you wire to the terminal bases. The operating instructions for e[...]

  • Página 28

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-11 FieldPoint FP-3000 User Manual Figure 2-11. Fieldbus Connectors on the FP-3000 Use a Fieldbus cable with a 9-pin female Dsub connector to connect the FP-3000 to a properly terminated Fieldbus network. Refer to the Fieldb us Foundation Wiring and Installation 31.25 kb [...]

  • Página 29

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-12 © National Instruments Corporation Figure 2-12. FP-3000 Connector Pinout LED Indicators The FP-3000 has four LED indicators: POWER , NETWORK , PROCESS , and STATUS . Figure 2-13 shows the LEDs on the FP-3000. Figure 2-13. LEDs on the FP-3000 When power is applied, the PO[...]

  • Página 30

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-13 FieldPoint FP-3000 User Manual The multicolored PROCESS LED is used to indicate the current state of the processes being controlled by the FP-3000. Wh en a PID function b lock on the FP-3000 module is in initialization, the light flashes green. When all the ex ecuting[...]

  • Página 31

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-14 © National Instruments Corporation HotPnP (Hot Plug and Play) The HotPnP feature simplifies system installation, configu ration, and maintenance. With the HotPnP feature, you can remove or insert I/O modules into the FieldPoint terminal bases while power is on, even if t[...]

  • Página 32

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-15 FieldPoint FP-3000 User Manual As soon as the FP-3000 configures the ne w I/O module through the HotPnP service, that I/O module becomes automatically accessible on the network. Inserting New I/O Modules When a new I/O module is inserted, the FP-3000 automatically con[...]

  • Página 33

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-16 © National Instruments Corporation Fieldbus system. Y ou do not need to update all the FP-3000 modules with the new f irmware. F ollo w these steps to update the firmware: 1. Select FP-3000 Update Utility from th e start menu of the host PC. Figure 2-14. FP-3000 Firmware[...]

  • Página 34

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-17 FieldPoint FP-3000 User Manual Figure 2-15. FP-3000 Sear ch Dialog Box 3. Select the FP-3000 module that needs to be updated, and enter the path to the firmw are image f ile.[...]

  • Página 35

    Chapter 2 Installation and Configuration FieldPoint FP-3000 User Manu al 2-18 © National Instruments Corporation Figure 2-16. Select FP-3000 Module Dialog Box 4. Click on the Dow nload button of the update utility . This process tak es about 15 minutes. At the end of the process, the FP-300 0 is updated to include the ne w features. At the end of [...]

  • Página 36

    © National Instruments Corporation 3-1 FieldPoint FP-3000 User Manual 3 Example Applications This chapter provides examples that show you how to configure the FP-3000 to perform common tasks, including reading from a 4–20 mA current loop device, taking temperature readings from a thermocouple module, and controlling the outpu t current through a[...]

  • Página 37

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-2 © National Instruments Corporation Example 1: Converting a 4–20 mA Pressure Sensor to Fieldbus Using FP-3000 One common application of th e FP-3000 is interfaci ng to a conventional device, such as a 4-20 mA pressure sensor or a 4-20 mA temperature transmitter. This example helps[...]

  • Página 38

    Chapter 3 Example Applications © National Instruments Corporation 3-3 FieldPoint FP-3000 User Manual 3. Select FP AI 110 Block from the list, then click on the OK b utton. This creates the correct analog input block on the FP-3000. Assign a T ag to the New Block By default, new blocks are created without a tag. To assign a tag, follow these steps:[...]

  • Página 39

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-4 © National Instruments Corporation Set the Input Range 1. Find the FP_AI_110_RANGE parameter in the block. 2. Set the parameter to 3.5–21 mA , since this range most closely matches the 4–20 mA th at you expect from your transmitter . Scale the Reading 1. Set the XD_SCALE parame[...]

  • Página 40

    Chapter 3 Example Applications © National Instruments Corporation 3-5 FieldPoint FP-3000 User Manual Set Up Scheduling Before the block will operate, you need to schedule the block to execute. All Fieldbus function blocks (including function blocks on the FP-3000) execute according to a schedule. You can specify the order of function blocks in the[...]

  • Página 41

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-6 © National Instruments Corporation Bring the Block Online 1. Go to the MODE_BLK parameter of the Resource block and set the TARGET to Auto . 2. Go to the MODE_BLK parameter of the block you created and set the TARGET to Auto . 3. Re-read the MODE_BLK paramete r . The ACTUAL f ield [...]

  • Página 42

    Chapter 3 Example Applications © National Instruments Corporation 3-7 FieldPoint FP-3000 User Manual W ire the thermocouple to channel zero of the FP-TC-120 module, paying attention to the polarity of the thermocouple wires. Channel zero is between terminals 1 and 2 of the FP-TC-120. Next, wire the heating element (say , a small light b ulb or e v[...]

  • Página 43

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-8 © National Instruments Corporation Set the Input Range and Thermocouple T ype 1. Find the FP_TC_120_RANGE parameter in the block. 2. Set the parameter to 0–2048 K (de grees Kelvin). 3. Set the FP_THERMOCOUPLE_TYPE to the type of thermocouple you hav e connected (such as J or K ty[...]

  • Página 44

    Chapter 3 Example Applications © National Instruments Corporation 3-9 FieldPoint FP-3000 User Manual Y ou can avoid setting the XD_SCA LE value manually if you set the CFG_OPTS option called Automatically adjust XD_SCALE . This allows the FP-3000 to cop y the v alue from FP_TC_120_RANGE straight into the XD_SCALE parameter . 2. Determine the outpu[...]

  • Página 45

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-10 © National Instruments Corporation Bring the Block Online 1. Go to the MODE_BLK parameter of the Resource block and set the TARGET to Auto . 2. Go to the MODE_BLK parameter of the block you created and set the TARGET to Auto . 3. Re-read the MODE_BLK parameter . The ACTUAL f ield [...]

  • Página 46

    Chapter 3 Example Applications © National Instruments Corporation 3-11 FieldPoint FP-3000 User Manual Select the Module and Channel Determine the FieldPoint module number by counting each module in the order it is attached to the FP-3000, beginning with one. In this example, assume that the FP-TC-120 is the first module connected to the FP-3000, a[...]

  • Página 47

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-12 © National Instruments Corporation In the case of Analog Output blocks, you do not need to tell the block to use the scaling parameters. The block will always use both XD_SCALE and PV_SCALE parameters. Set Up Scheduling Before the block will operate, you need to schedule the block[...]

  • Página 48

    Chapter 3 Example Applications © National Instruments Corporation 3-13 FieldPoint FP-3000 User Manual PID Control Instantiate a PID Block Now that your input an d output blo cks are functioning, yo u can “close the loop” by creating a control block and putting the loop under automatic control. To instantiate a PID block, follow these steps: 1.[...]

  • Página 49

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-14 © National Instruments Corporation Connect the PID to the AI and AO Blocks 1. Drag the new PID block to the Function Block Application windo w . All three of your blocks (AI, A O, and PID) should be in the window . If not, drag the remaining blo cks into the w indow no w . 2. Usin[...]

  • Página 50

    Chapter 3 Example Applications © National Instruments Corporation 3-15 FieldPoint FP-3000 User Manual 4. Read the MODE_BLK parameter . The ACTUAL mode should read IMan , for Initialization Manual. This means the PID is not abl e to enter Auto because the A O block is not in Cascade mode. 5. Go to the A O block, and look at its MODE_BLK . 6. Set th[...]

  • Página 51

    Chapter 3 Example Applications FieldPoint FP-3000 User Manu al 3-16 © National Instruments Corporation 3. Set the HI_LIM parameter to 40 . This is the high limit that triggers the high limit alarm. The units are defined to be the same as PV_SCALE , which is degrees Celsius. Figure 3-5. High Limit Alarm Parameters Dialog Box 4. Set up an interface [...]

  • Página 52

    Chapter 3 Example Applications © National Instruments Corporation 3-17 FieldPoint FP-3000 User Manual Figure 3-6. PID Alarm Connection Dialog Box 5. Download the conf iguration. The PID no w detects a high limit alarm whene ver the temperature exceeds 40° C, and the alarm is transmitted to the interface on your PC. Y ou need a separate program (s[...]

  • Página 53

    © National Instruments Corporation 4-1 FieldPoint FP-3000 User Manual 4 Block Reference This chapter describes the function blo cks and the parameters supported by the FP-3000. Block Over view The FP-3000 consists of a number of blocks. A b lock is a predefined software module that runs on an FP-3000 and acts as a fundamental component of a contro[...]

  • Página 54

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-2 © National Instruments Corporation A PID control loop consists of one of each of the follo wing function blocks: an Analog Input (AI) block to read the process v ariable in a device (such as a transmitter), a Proportional–Integral–Deri vati ve (PID) block to comp are the process val[...]

  • Página 55

    Chapter 4 Block Reference © National Instruments Corporation 4-3 FieldPoint FP-3000 User Manual control blocks t o swit ch smooth ly from manual to auto matic mode. It also has a faultstate behavior that allows the block to react if communications fail between itself and the upstream block. PID (Proportional–Integral–Derivative) The PID block [...]

  • Página 56

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-4 © National Instruments Corporation LOG (FieldPoint Log Block) (FP-3000 Specific) The LOG block contains a log of error conditions and events detected by the device as it operates. ST A T (FieldPoint Statistics Block) (FP-3000 Specific) The STAT block contains a set of parameters that ca[...]

  • Página 57

    Chapter 4 Block Reference © National Instruments Corporation 4-5 FieldPoint FP-3000 User Manual PID Control In a Fieldbus networ k, a PID control lo op is com posed of three funct ion blocks: an Analog Input (AI) block, a Proportional In tegral Derivative (PID) block, and an Analog Output (A O) block. Figure 4-1 shows all three blocks and the inte[...]

  • Página 58

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-6 © National Instruments Corporation Figure 4-1. PID Function Block Application Dialog Box Alarming The Fieldbus network supports event notification messages from field devices like the FP-3000. Fieldbus function blocks use event notification messages to implement alarms and events. Alarm[...]

  • Página 59

    Chapter 4 Block Reference © National Instruments Corporation 4-7 FieldPoint FP-3000 User Manual UNACKNOWLEDGED The UNACKNOWLEDG ED subfield indicates the acknowledgment state of the alarm or event. A host application typically acknowledges the unacknowledged alarm when an operator sees and acknowledges the alarm. ALARM_ST A TE/UPDA TE_ST A TE The [...]

  • Página 60

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-8 © National Instruments Corporation TIME_ST AMP The time the alarm was detected by the FP-3000. In FOUNDATION Fieldbus, all devices share a common sense of time. This shared sense of time is used to timestamp alarm conditions as they occur, rather than when they are reported. SUBCODE For[...]

  • Página 61

    Chapter 4 Block Reference © National Instruments Corporation 4-9 FieldPoint FP-3000 User Manual over the Fieldbus using a host configuration tool, the block that is sending data to the other block is called the publisher. The block receiving the data is called the subscriber. When communication is established from a publisher to a subscriber, the [...]

  • Página 62

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-10 © National Instruments Corporation Limit Table 4-4 describes the Limit subfield values. MODE_BLK Parameter and Mode Handling The block’s mode behavior is controlled with the MODE_BLK parameter. The MODE_BLK parameter contains four fields that allow the current mode of the block to be[...]

  • Página 63

    Chapter 4 Block Reference © National Instruments Corporation 4-11 FieldPoint FP-3000 User Manual Actual Mode An indicator of the current mode of execution of the device. This is a read-only parameter. Normally, the actual mode of the block is equal to the target mode of the block. However, co nfiguration errors or other conditions can cause it to [...]

  • Página 64

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-12 © National Instruments Corporation Permitted Mode A list describing the modes into which the block may be target. For example, in order to set a Target mode of Manual , the Manual mode bit must be set in the Permitted mode field. The Permitted mode field also has an effect on the way o[...]

  • Página 65

    Chapter 4 Block Reference © National Instruments Corporation 4-13 FieldPoint FP-3000 User Manual FP-3000 Specific Parameters CFG_OP TS An option in the I/O function blo cks to automatically set the scaling or alter the block behavior. Generally, this option can make configuration easier. DEV_OP TS A list of device-wide options that can be turned o[...]

  • Página 66

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-14 © National Instruments Corporation FIELDPOINT_CHANNEL The FieldPoint I/O channel the block has been assign ed to. Writing to this parameter updates the CHANNEL parameter appropriately. FP-3000 determines the CHANNEL parameter automatically based on the FIELDPOINT_MODULE and FIELDPOINT_[...]

  • Página 67

    Chapter 4 Block Reference © National Instruments Corporation 4-15 FieldPoint FP-3000 User Manual FP_AO_200_RANGE Allows the range of a channel on a FieldPoint FP-AO-200 to be adjusted. FP_CJC_SOURCE Allows the cold junction compensation to be adjusted on a FP-TC-120 module. Note Cold junction compensation is global to the entire module and af fect[...]

  • Página 68

    Chapter 4 Block Reference FieldPoint FP-3000 User Manu al 4-16 © National Instruments Corporation FP_PWM_520_PERIOD The period of the pulse width modulated waveform, in milliseconds. FP_R TD_122_RANGE Allows the range of a channel on a FieldPoint FP-RTD-122 to be adjusted. FP_R TD_TYPE Allows adjustment of the RTD type of a channel on an FP-TC-122[...]

  • Página 69

    Chapter 4 Block Reference © National Instruments Corporation 4-17 FieldPoint FP-3000 User Manual VERSION_INFORMA TION The revision of the firmware currently in use by the FP-3000. This parameter, present in the resource block, also contains the version numbers of the FOUNDATION Fieldbus specification do cuments used in the design of the FP-3000. T[...]

  • Página 70

    © National Instruments Corporation A-1 FieldPoint FP-3000 User Manual A Configuring the FP-3000 The FP-3000 has three configuration switches accessible from an opening in the top of the module. These switches are show n in Figure A-1. Figure A-1. Configuration T oggle Switches Simulate Enable When On, this sw itch allows simulation on I/O blocks t[...]

  • Página 71

    Appendix A Confi guring the FP-3000 FieldPoint FP-3000 User Manual A-2 © National Instruments Corporation Write Lock When On, the de vice rejects writes to block configuration parameters. Linkages between blocks still function correctly . Reset When On, this switch causes the de vice to reset all conf iguration information to factory defaults on p[...]

  • Página 72

    © National Instruments Corporation B-1 FieldPoint FP-3000 User Manual B T roubleshooting The FP-3000 is a powerful and highly flexible tool you can use to solv e distributed I/O and control problems. Because of this flex ibility , you might encounter problems getting the FP-3000 to perform the functions y ou want. This chapter helps you diagnose a[...]

  • Página 73

    Appendix B T roubleshooting FieldPoint FP-3000 User Manual B-2 © National Instruments Corporation T ab le B -1 describes common Fieldbus communication problems and possible solutions. Table B-1. Fieldbus Communication Problems Problem Solutions FP-3000 is not visible on the Fieldbus from a host configurator • Is the power LED on? If not, check y[...]

  • Página 74

    Appendix B T roubleshooting © National Instruments Corporation B-3 FieldPoint FP-3000 User Manual I/O Module Problems FP-3000 offers diagnostic capabilities to help find problems with the I/O modules you ha ve plugged in. Software Configuration Problems The FP-3000 software consists of a number of function blocks that you can instantiate, or creat[...]

  • Página 75

    Appendix B T roubleshooting FieldPoint FP-3000 User Manual B-4 © National Instruments Corporation Table B-3. Generic Software Configuration Problems Problem Solutions Block will not leave OOS (Out of Service) mode, and BLOCK_ERR does not report any errors • Make sure you hav e written a non- OOS mode to the TARGET mode of the block. • If this [...]

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    Appendix B T roubleshooting © National Instruments Corporation B-5 FieldPoint FP-3000 User Manual Block leav es OOS mode b ut will not go into the exact TARGET mode Y ou r blo ck is correctly con figured, but some run-time condition is keeping the block from reaching its target mode. • If your block is connected to other function blocks as part [...]

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    Appendix B T roubleshooting FieldPoint FP-3000 User Manual B-6 © National Instruments Corporation Cannot access or view the parameters added by National Instruments Make sure that the De vice Descriptions are installed in the correct location. Refer to the section Install the Device Description File in Chapter 2, Installation and Configu ration , [...]

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    © National Instruments Corporation C-1 FieldPoint FP-3000 User Manual C Fieldbus Parameters ACK_OP TION Allo ws alarms to be automatically ackno wledged b y the block with no outside intervention. This is useful if you are not interested in acknowledging certain alarms from a block. ALARM_HYS The amount a value must mov e of f an alarm limit, in p[...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manual C-2 © National Instruments Corporation BINARY _OP An interlock input. When in Discrete_State_1 , the output of the block is forced open ( Discrete_State_1 ). This interlock input has priority ov er all interlock inputs, except SAFEGUARD_CL and SAFEGUARD_OP . In the ev ent BINARY_OP and [...]

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    Appendix C Fie ldbus Parameters © National Instruments Corporation C-3 FieldPoint FP-3000 User Manual Table C-1. Error Codes Error Code Code Description Other 0x0001 Undefined block error condition. Block Configuration Error 0x0002 The block has detected an error in its configuration. This usually indicates a static parameter has been left uniniti[...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manual C-4 © National Instruments Corporation BLOCK_RESET Lets you reset the statistics or the configuration of an individual function block. BYP A SS Allo ws the normal cont rol algorithm to be bypassed if the CONTROL_OPT parameter’ s Bypass Enable option is selected. If control is bypassed[...]

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    Appendix C Fie ldbus Parameters © National Instruments Corporation C-5 FieldPoint FP-3000 User Manual C L R _ F S TAT E Writing Clear to this parameter causes the device-wide faultstate to be cleared and output blocks to resume normal ex ecution. Also see SET_FSTATE and FAULT_STATE parameters. CONFIRM_TIME The lower bound on the time the FP-3000 w[...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manual C-6 © National Instruments Corporation CONTROL_OP TS A list of options used to adjust the way control blocks, such as the PID block, operate. The options are described in T able C-4. CYCLE_SEL/CYCLE_TYPE Unused in FieldPoin t. DD_RESOURCE Unused in FieldPoin t. Table C-4. Control Option[...]

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    Appendix C Fie ldbus Parameters © National Instruments Corporation C-7 FieldPoint FP-3000 User Manual DD_REV The revision of the de vice description used by the de vice. DEV_REV The revision of the de vice. DEV_TYPE The manufacturer’ s model number for the de vice. DV_HI_ALM The current state of the de viation high alarm, along with a time and d[...]

  • Página 85

    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manual C-8 © National Instruments Corporation FEA TURE_SEL/FEA TURES The FEATURES parameter lists features supported b y the de vice. Use the FEATURE_SEL parameter to manually enable and disable the supported features listed in the FEATURES parameter . The features are listed in Ta b l e C - 5[...]

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    Appendix C Fie ldbus Parameters © National Instruments Corporation C-9 FieldPoint FP-3000 User Manual FF_V AL The feed-forward v alue. FIELD_V AL The value from the input channel, in percent of scale. FP_AUTOCONFIGURE This parameter , present in the resource block, causes the FP-3000 to automatically conf igure itself. The FP-3000 detects all the [...]

  • Página 87

    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-10 © National Instruments Corporation HARD_TYPES A list of av ailable channel types. As I/O modules are inserted and remov ed from the FP-3000 bank, bits in this f ield change to reflect the presence or absence of types of I/O channels. HI_ALM The current state of the high alarm, alo[...]

  • Página 88

    Appendix C Fie ldbus Parameters © National Instruments Corporation C-11 FieldPoint FP-3000 User Manual L_TYPE The linearization type. This parameter af fects the way the v alue from the transducer is linearized in the analog input block before it is presented as the block output. In all cases, the FIELD_VAL parameter behav es as follows: Table C-7[...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-12 © National Instruments Corporation LIM_NOTIFY A limit on the number of unconfirmed alarm/e v ent notif ication messages the device can ha ve acti ve at once. This must be less than or equal to MAX_NOTIFY . LO_ALM The current state of the lo w alarm, along with a time and date stam[...]

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    Appendix C Fie ldbus Parameters © National Instruments Corporation C-13 FieldPoint FP-3000 User Manual LO_PRI The priority of the low limit alarm. LOW_CUT Wi t h a n L_TYPE of Indirect Square R oot , this can be used to establish a floor for v alues from the transducer . V alues below this floor are considered to be zero. The parameter can be disa[...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-14 © National Instruments Corporation NV_CYCLE_T The time interv al in milliseconds in which non v olatile parameters are committed to non volatile storage. Table C-9. Operational Modes Mode Description Target The desired mode of operation of the block. Out of Service ( O/S ). The bl[...]

  • Página 92

    Appendix C Fie ldbus Parameters © National Instruments Corporation C-15 FieldPoint FP-3000 User Manual OP_CMD_CXO The lowest le v el priority input. This can be used to allo w the operator to acti v ate interlock beha vior with a write from the host application. OUT The current output value of the block. OUT_HI_LIM A limit for the maximum out put [...]

  • Página 93

    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-16 © National Instruments Corporation PV The process variable being controlled b y the process. PV_F TIME The filter time used in input blocks. For analog blocks, it is the time constant for a lo w pass exponential f ilter used to dump out rapid oscillations in the input v alue befor[...]

  • Página 94

    Appendix C Fie ldbus Parameters © National Instruments Corporation C-17 FieldPoint FP-3000 User Manual RCAS_OUT The back calculation output used by the host when establishing a Remote cascade loop. RESET The time constant for the integral component o f the PID block. It is measured in seconds per repeat. REST ART Allows the user to restart the de [...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-18 © National Instruments Corporation RS_ST A TE The current state of the de vice. T able C-13 lists device states. SAFEGUARD_CL An interlock input. When in Discret_State_1 , the output of the block is forced closed ( Discret_State_0 ). This interlock input has priority over all othe[...]

  • Página 96

    Appendix C Fie ldbus Parameters © National Instruments Corporation C-19 FieldPoint FP-3000 User Manual SHED_RCAS The shed time for the RCAS_IN parameter . If the block is in RCas mode and the RCAS_IN parameter has not been updated in SHED_RCAS time, the block performs mode shedding as determined by the SHED_OPT parameter . SHED_ROUT The shed time [...]

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    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-20 © National Instruments Corporation SP_RA TE_DN The rate, in PV units per second, the setp oint can be moved do wnwards. If the setpoint moves f aster than SP_RATE_DN , the block acts as if the setpoint is moving do wnwards at the maximum rate with a status bit that indicates that [...]

  • Página 98

    Appendix C Fie ldbus Parameters © National Instruments Corporation C-21 FieldPoint FP-3000 User Manual STRA TEGY Used to identify groupings of blocks. T AG_DESC Used to describe the purpose of the block. TEST_RW Unused by the block algorithm. Used to test interoperability of reads and writes of diff erent parameter types. TRK_IN_D Used to enable t[...]

  • Página 99

    Appendix C Fieldbus Parameters FieldPoint FP-3000 User Manu al C-22 © National Instruments Corporation UPDA TE_EVT The current state of the update event, along with a time and date stamp. This ev ent is issued whene v er a static parameter is changed and ST_REV is incremented. WRITE_ALM The current state of the lo w alarm, along with a time and da[...]

  • Página 100

    © National Instruments Corporation D-1 FieldPoint FP-3000 User Manual D Advanced Function Block Behavior This appendix explains adv anced features of function blocks that are unnecessary to establish simple control strategies. Use this information to diagnose problems in control strategies and to de velop systems that implement supervisory control[...]

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    Appendix D Adv anced Function Block Behavior FieldPoint FP-3000 User Manu al D-2 © National Instruments Corporation Figure D-1. Parameter Connections for Cascade Initialization Mode and Status Behavior during Cascade Initialization Cascade initialization is arbitrated thro ugh the status of the back ward calculation path from the downstream block [...]

  • Página 102

    Appendix D A dvanced Function Block Behavior © National Instruments Corporation D-3 FieldPoint FP-3000 User Manual T o pre vent windup, the control loop needs to be aware when it is unable to control the process. If the do wnstream block can no longer control the process, it reports a status of Bad to the upstream block. This breaks the cascade un[...]

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    Appendix D Adv anced Function Block Behavior FieldPoint FP-3000 User Manu al D-4 © National Instruments Corporation Bypassing Cascade Initialization If cascade initialization is unnecessary , you can bypass it b y lea ving the back calculation input of the upstream block u nwired. By manually writing a status of Good, Non-cascade to the back calcu[...]

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    Appendix D A dvanced Function Block Behavior © National Instruments Corporation D-5 FieldPoint FP-3000 User Manual target mode is changed at the time the block sheds mode, and the block does not attempt to enter the original lower priority mode when the shed condition ends. Table D-1. Mode Shedding Options Shed Option Beha vior on T imeout Detecti[...]

  • Página 105

    © National Instruments Corporation E-1 FieldPoint FP-3000 User Manual E Specifications This appendix describes the specifications of the FP-3000 network module. All FieldPoint network modules undergo e xtensi ve testing for operating under rugged en vironmental conditions that exist in industrial applications. FieldPoint network modules are design[...]

  • Página 106

    © National Instruments Corporation F-1 FieldPoint FP-3000 User Manual F T echnical Support Resources National Instruments offers technical support through electronic, fax, and telephone systems. The electronic services include our Web site, an FTP site, and a fax-on-demand system. If you have a hardware or software problem, please first try the el[...]

  • Página 107

    FieldPoint FP-3000 User Manual F-2 © National Instruments Corporation T elephone and Fax Support National Instruments has branch offices all over the world. Use the following list to fin d the technical support number for your country. If there is no National Instruments office in yo ur country, contact the source from which you purchased your sof[...]

  • Página 108

    © National Instruments Corporation G-1 FieldPoint FP-3000 User Manual Glossar y Pref ix Meanings V alue m- milli- 10 –3 M- me ga- 10 6 % percent ° degrees 0x precedes a hexadecimal number Bb y t e s bank The combination of one FieldPoint network module and one or more terminal bases and I/O modules. C Celsius CISPR International Special Committ[...]

  • Página 109

    © National Instruments Corporation I-1 FieldPoint FP-3000 User Manual Index Numbers 4-20 mA pressure sensor, converting to Fieldbus (example), 3 -2 to 3-6 assigning tag to new b lock, 3-3 bringing block online, 3-6 creating function block, 3-2 to 3-3 scaling the reading, 3-4 selecting module and channel, 3-3 setting input range, 3-4 setting up sch[...]

  • Página 110

    Index FieldPoint FP-3000 User Manual I-2 © National Instruments Corporation bringing online converting 4-20 mA pressure sensor to Fieldbus (example), 3-6 temperature control with FP-3000 (example) controlling heating element, 3-12 taking temperature readings, 3-10 FP-3000 specific parameters, 4-13 to 4-17 CFG_OPTS (table), 4-13 DEV_OPTS (table), 4[...]

  • Página 111

    Index © National Instruments Corporation I-3 FieldPoint FP-3000 User Manual overview, B-3 resource block configuration problems (table), B-6 updating FP-3000 firmware, 2-15 to 2-18 Write Lock switch, A-2 CONFIRM_TIME parameter, C-6 CONTROL_OPTS parameter (table), C-6 converting 4-20 mA pressure sensor to Fieldbus. See pressure sensor, converting t[...]

  • Página 112

    Index FieldPoint FP-3000 User Manual I-4 © National Instruments Corporation field upgradability, 1-4 Fieldbus communication problems overview, B-1 problems and solutions (table), B-2 setting device tag and network address, B-1 Fieldbus network, connecting to FP-3000, 2-11 to 2-12 Fieldbus parame ters, C-1 to C-23 ACK_OPTION, C-1 ALARM_HYS, C-1 ALA[...]

  • Página 113

    Index © National Instruments Corporation I-5 FieldPoint FP-3000 User Manual PV_SCALE, C-16 RATE, C-16 RCAS_IN, C-17 RCAS_OUT, C-17 RESET, C-17 RESTART (table), C-17 ROUT_IN, C-17 to C-18 ROUT_OUT, C-18 RS_STATE (table), C-18 SAFEGUARD_CL, C-18 SAFEGUARD_OP, C-18 SET_FSTATE, C-19 SHED_OPT (table), C-19 SHED_RCAS, C -19 SHED_ROUT, C-1 9 SIMULATE, C-[...]

  • Página 114

    Index FieldPoint FP-3000 User Manual I-6 © National Instruments Corporation support for FieldPoint modules, 4-4 to 4-5 types of f unctio n blocks , 4-2 to 4- 4 G GAIN parameter, C-10 GRANT_DENY parameter, C-10 H heating element, controlling (example), 3-10 to 3-12 assigning tag to new b lock, 3-10 bringing block online, 3-12 instantiating FP-AO-20[...]

  • Página 115

    Index © National Instruments Corporation I-7 FieldPoint FP-3000 User Manual linearization types (table), C-12 Link Active Scheduler (LAS), 1-4 LO_ALM parameter, C-12 LO_LIM parameter, C-13 LO_LO_ALM parameter, C-13 LO_LO_LIM parameter, C-13 LO_LO_PRI parameter, C-13 LO_PRI parameter, C-13 LOG (FieldPoint Log Block) function block, 4-4 LOW_CUT para[...]

  • Página 116

    Index FieldPoint FP-3000 User Manual I-8 © National Instruments Corporation power calculating po wer fo r Fi eldPoint b a nk , 2-10 connecting power to FP-3000, 2-9 initial power on procedure, 3-1 POWER LED, 2-12 power-on self test (POST), 2-10 4-20 mA pressure sensor, converting to Fieldbus (example), 3-2 to 3-6 assigning tag to new b lock, 3-3 b[...]

  • Página 117

    Index © National Instruments Corporation I-9 FieldPoint FP-3000 User Manual SP_LO_LIM parameter, C-20 SP_RATE_DN parameter, C-20 SP_RATE_UP parameter, C-20 STAT (FieldPoint Statistics Block) function block, 4-4 status and mode behavior during cascade initialization, D-2 to D-3 status handling, 4-8 to 4-10 Limit subfield values (table), 4-10 Qualit[...]

  • Página 118

    Index FieldPoint FP-3000 User Manual I-10 © National Instruments Corporation problems and solutions (table), B-2 setting device tag and network address, B-1 I/O module problems (tab le), B-3 software configuration problems, B - 3t oB - 6 generic software configuration problems (table), B-4 to B-6 overview, B-3 resource block configuration problems[...]