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Mitsubishi Electronics 2408f manuale d’uso

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Sommario del manuale d’uso

  • Pagina 1

    2408 f & 2404 f PROFIBUS Communications Handbook Contents HA026290 Issue 1 January, 98. Applies to 2408 f and 2404 f Controllers software versions 3.22 i CONTROLLER MODELS 2408 f and 2404 f PROFIBUS-DP COMMUNICATIONS HANDBOOK Contents Page Chapter 1 INTRODUCTION ……………………………………………………..…………… 1-1 C[...]

  • Pagina 2

    2408 f & 2404 f PROFIBUS Communications Handbook Introduction 2408 f and 2404 f PROFIBUS Communications Handbook 1-1 CHAPTER 1 INTRODUCTION This handbook is written for people who need to use a digital communications link and PROFIBUS-DP communication protocols to supervise Eurotherm Controls Series 2000 instruments. The PROFIBUS-DP protocol is[...]

  • Pagina 3

    Introduction 2408 f & 2404 f PROFIBUS Communications Handbook 1-2 2408 f and 2404 f PROFIBUS Communications Handbook PROFIBUS-DP is a multimaster, master-slave, token passing network. More detailed information, including a detailed guide to products available, may be obtained from the various world wide PROFIBUS user organisations. You will fin[...]

  • Pagina 4

    2408f & 2404 f PROFIBUS Communications Handbook Principles of Oper ation 2408 f and 2404 f PROFIBUS Communications Handbook 2-1 CHAPTER 2 PRINCIPLES OF OPERATION PROFIBUS-DP distinguishes between master devices and slave devices. It allows slave devices to be connected on a single bus thus eliminating considerable plant wiring typical with conv[...]

  • Pagina 5

    Principles of Operation 2408 f & 2404 f PROFIBUS Communications Handbook 2-2 2408 f and 2404 f PROFIBUS Communications Handbook Typically no more than 32 bytes of input data and 32 bytes of output data are exchanged for each device during the data exchange. Some PLC masters allow no more than this, although the PROFIBUS-DP standard provides the[...]

  • Pagina 6

    2408 f & 2404 f PROFIBUS Communications Handbook Wiring 2408 f and 2404 f PROFIBUS Communications Handbook 3-1 CHAPTER 3 WIRING RS485 is the transmission technology used in 2404 f and 2408 f PROFIBUS-DP controllers. Connections are made to the rear terminal block as follows: Controller Terminal Designation Function HB Shield RF Ground for cable[...]

  • Pagina 7

    Wiring 2408 f & 2404 f PROFIBUS Communications Handbook 3-2 2408 f and 2404 f PROFIBUS Communications Handbook Either of the two cable types detailed below can be used. Please note that the cable types A and B, specified below, are NOT related to the wire numbers A and B in the above wiring diagram. Type A is recommended as it allows higher spe[...]

  • Pagina 8

    2408 f & 2404 f PROFIBUS Communications Handbook Controller Set Up & Network Configuration 2408 f and 2404 f PROFIBUS Communications Handbook 4-1 CHAPTER 4 CONTROLLER SET UP & NETWORK CONFIGURATION PROFIBUS-DP communications is available in Eurotherm 2408 f and 2404 f controllers. Other 2000 series controllers (i.e. controllers without [...]

  • Pagina 9

    Controller Set Up & Network Configuration 2408 f & 2408 f PROFIBUS Communications Handbook 4-2 2408 f and 2404 f PROFIBUS Communications Handbook T O C ONFIGURE T HE C ONTROLLER C OMMUNICATIONS P ARAMETERS Select Configuration Level Select Comms Configuration List “HOME” display Press Page button repeatedly until Access List appears or [...]

  • Pagina 10

    2408 f & 2404 f PROFIBUS Communications Handbook Controller Set Up & Network Configuration 2408 f and 2404 f PROFIBUS Communications Handbook 4-3 N ETWORK C ONFIGURATION Having wired and configured the controller, the master PLC or PC based supervisory package must be configured to set-up the parameters that it will be able to read and writ[...]

  • Pagina 11

    Controller Set Up & Network Configuration 2408 f & 2408 f PROFIBUS Communications Handbook 4-4 2408 f and 2404 f PROFIBUS Communications Handbook P ROFIBUS D IAGNOSTICS One of the features of PROFIBUS-DP is that high priority diagnostic information is provided for each slave. The 2400 f Series uses the ‘Ext_Diag_Data’ area of this messa[...]

  • Pagina 12

    2408 f & 2404 f PROFIBUS Communications Handbook The Windows Configura tor 2408 f and 2404 f PROFIBUS Communications Handbook 5-1 CHAPTER 5 THE WINDOWS CONFIGURATOR The Windows Configurator creates a ‘GSD’ file which provides a simple way of mapping device parameters into the PLC or supervisory package input/output registers. The GSD file i[...]

  • Pagina 13

    The Windows Configurator 2408 f & 2404 f PROFIBUS Communications Handbook 5-2 2408 f and 2404 f PROFIBUS Communications Handbook To add a parameter to the PROFIBUS-DP Input Data, simply drag it from the Device Parameter list using the mouse, and drop it into the Inputs list. Similarly, drop a parameter into the Outputs list to set PROFIBUS-DP O[...]

  • Pagina 14

    2408 f & 2404 f PROFIBUS Communications Handbook Troub leshooting 2408 f and 2404 f PROFIBUS Communications Handbook 6-1 CHAPTER 6 TROUBLESHOOTING No Communications: • Check the wiring carefully, paying particular attention to the continuity of the A and B connections to the Master. Ensure that the correct terminals have been wired to. • Ac[...]

  • Pagina 15

    2408 f & 2404 f PROFIBUS Communications Handbook Demand Data 2408 f and 2404 f PROFIBUS Communications Handbook 7-1 CHAPTER 7 DEMAND DATA The GSD file is used to define those parameters which need to be updated continuously. It is, therefore, a convenient way to transfer input and output data between the controller and the master PLC or Supervi[...]

  • Pagina 16

    Demand Data 2408 f & 2404 f PROFIBUS Communications Handbook 7-2 2408 f & 2404 f PROFIBUS Communications Handbook Demand Data uses the first 8 bytes in both the request and response message of the cyclic Data Exchange. DEMAND DATA STRUCTURE Read Request (from PLC) PLC Output Register Number Output Data The first four registers are reserved [...]

  • Pagina 17

    2408 f & 2404 f PROFIBUS Communications Handbook Demand Data 2408 f and 2404 f PROFIBUS Communications Handbook 7-3 THE COMMAND CODE AND TAG ARE ENCODED INTO REGISTER 1 AS FOLLOWS: Bits 15-12 Bit 11 Bit 10 - 0 Command Code Reserved Parameter Tag Because only 11 bits are available for the Parameter Tag, the maximum tag allowable for standard dem[...]

  • Pagina 18

    Demand Data 2408 f & 2404 f PROFIBUS Communications Handbook 7-4 2408 f & 2404 f PROFIBUS Communications Handbook Worked example 1 - Starting an Autotune An autotune is a good example of an operation that might be performed using the demand data sub-protocol, since it is a relatively infrequent operation and it would be wasteful to dedicate[...]

  • Pagina 19

    2408 f & 2404 f PROFIBUS Communications Handbook Demand Data 2408 f and 2404 f PROFIBUS Communications Handbook 7-5 Worked example 2 - Uploading Program Data The 2400 f series with PROFIBUS-DP may be configured with a ramp/dwell programmer option. It is often the case that specific ramp dwell sequences need to be downloaded to an instrument. Be[...]

  • Pagina 20

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-1 CHAPTER 8 TAG ADDRESSES Tag addresses are used to identify parameters in the controller and are identical to the Modbus addresses which are also listed in the Series 2000 Communications Manual, Eurotherm Part No. HA 026230. Tag [...]

  • Pagina 21

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-2 2408 f & 2404 f PROFIBUS Communications Handbook 9 Reserved 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved Program Logic Status 162 BIT DESCRIPTION 0 Program Output 1 ( 0 = OFF 1 = ON ) 1 Program Output 2 ( 0 = OFF 1 = ON ) 2 Program Output 3 ( 0 = O[...]

  • Pagina 22

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-3 Controller Run Tab Tag Display Parameter Description Addres s Current program running (active prog no.) 22 Program Status 1: Reset 2: Run 4: Hold 8: Holdback 16: Complete 23 Programmer setpoint 163 Program cycles remaining 59 Cu[...]

  • Pagina 23

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-4 2408 f & 2404 f PROFIBUS Communications Handbook Controller PID Tab Tag Display Parameter Description Address Gain scheduler setpoint 153 Current PID set (read only if gain scheduling is selected) 0: Set 1 1: Set 2 72 Proportional band PID1 6 Integral time PID1 0: Off 8 Deri[...]

  • Pagina 24

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-5 Controller Input Tab Tag Display Parameter Description Address Input 1 filter time constant 0: Off 101 Input 2 filter time constant 0: Off 103 Select input 1 or input 2 288 Derived input function factor 1 292 Derived input funct[...]

  • Pagina 25

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-6 2408 f & 2404 f PROFIBUS Communications Handbook Controller Information Tab Tag Display Parameter Description Addres s Configuration of lower readout display 0: Standard 1: Load current 2: Output power 3: Status 4: Program time 5: None 6: Valve position 7: Process value 2 8:[...]

  • Pagina 26

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-7 Controller Instrument Configuration Tab Tag Display Parameter Description Address Control type 0: PID 1: On/Off 2: Manual 3: VP (No feedback) 4: VP b (Feedback) 512 Control action 0: Reverse 1: Direct 7 Type of cooling 0: Linear[...]

  • Pagina 27

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-8 2408 f & 2404 f PROFIBUS Communications Handbook Controller Display Input Configuration Tag Address Parameter Description Input type 0: J Type 1: K Type 2: L Type 3: R Type 4: B Type 5: N Type 6: T Type 7: S Type 8: PL 2 9: Custom (factory) * 10: RTD * 11: Linear mV (+/- 100[...]

  • Pagina 28

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-9 Controller Display Programmer Configuration Tag Address Parameter Description Programmer type 0: None 1: Single program 4: Four programs 517 Holdback 0: Applies to whole program 1: Applies to each segment 559 Power fail recovery[...]

  • Pagina 29

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-10 2408 f & 2404 f PROFIBUS Communications Handbook AA Display Alarm Relay Configuration Tab Tag Address Parameter Description Module identity 12480 Module function 0: None 1: Digital 2: Heat (2208/04 only) 3: Cool (2208/04 only) 12483 Sense of output 0: Normal 1: Inverted 124[...]

  • Pagina 30

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-11 2A Display Output 2A Configuration Tab Tag Address Parameter Description Module identity 0: None 1: Relay output 2: DC output non-isolated 3: Logic/PDSIO output 4: Logic input 5: Triac output 10: Error/Bad module 11: DC retrans[...]

  • Pagina 31

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-12 2408 f & 2404 f PROFIBUS Communications Handbook 3A Display Output 3A Configuration Tab Tag Address Parameter Description Module identity 0: None 1: Relay output 2: DC output non-isolated 3: Logic/PDSIO output 4: Logic input 5: Triac output 6: DC input 10: Error/Bad module [...]

  • Pagina 32

    2408 f & 2404 f PROFIBUS Communications Handbook Tag Addresses 2408 f and 2404 f PROFIBUS Communications Handbook 8-13 Ramp/Dwell Programmer Data Program Data Organisation A 2400 f series controller can contain multiple “programs”, each consisting of up to 16 segments. The data for each program starts at the base tag address given by the fo[...]

  • Pagina 33

    Tag Addresses 2408 f & 2404 f PROFIBUS Communications Handbook 8-14 2408 f & 2404 f PROFIBUS Communications Handbook Program General Data The offsets of each parameter within the program general data block is given by the next table: Address Offset Parameter 0 HoldbackType 0: None 1: Low 2: High 3: Band 1 HoldbackValue 2 Ramp Units 0: Secs [...]

  • Pagina 34

    2408 f & 2404 f PROFIBUS Communications Handbook Glossary of Terms 11 2408 f and 2404 f PROFIBUS Communications Handbook A1 APPENDIX A. GLOSSARY OF TERMS ASCII[...]

  • Pagina 35

    2408 f & 2404 f PROFIBUS Communications Handbook Office Addresses 11 2408 f and 2404 f PROFIBUS Communications Handbook B1 EUROTHERM CONTROLS LIMITED UK SALES OFFICE Eurotherm Controls Limited Faraday Close, Durrington Worthing West Sussex BN13 3PL Telephone Sales: (01903) 695888 Technical: (01903) 695777 Service: (01903) 695444 Fax (01903) 695[...]