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Emerson NGA 2000 manual

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Table of contents for the manual

  • Page 1

    90003752(1) [NGA-e (AK-Protocol)] 10/98 Rosemount Analytical NGA 2000 Software Man ual AK - Pr otocol Software V er sion 3.2.X 1 st Edition 10/98 Catalog No.: 90 003 752 Managing The Process Better[...]

  • Page 2

    90003752(1) [NGA-e (AK-Protocol)] 10/98 Rosemount Analytical This Operation Manual includes inf ormation about the operation of the instrument. Inf or mation about the additional indications and notes regarding maintenance, troub leshooting and repair are f ound in the accompanying Maintenance & Operation Man ual. T roub leshooting, component r[...]

  • Page 3

    90003752(1) [ AK-Commands] 10/98 AK Contents I) V24/RS232/485 Interface – Basics 1 - 1 1 Introduction ................................................................................................ 1 - 1 2 Hardware ................................................................................................... 1 - 2 3 Protocol settings ......[...]

  • Page 4

    AK 90003752(1) [ AK-Commands] 10/98[...]

  • Page 5

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 1 Protocol settings of a serial interface between a test bench control computer and peripheral analyzers on exhaust test benches 1. Introduction The serial interface is made for slow point to point connections (f ≤ ≤ 10 Hz). The communication between the t est b ench c o[...]

  • Page 6

    1 - 2 AK 90003752(1) [AK-Commands] 10/98 2. Hardware 1. Baud rate: 1200, 2400, 4800, 9600, 19200 2. Length of signs: 1 start bit 7 or 8 dat a bits 1 or 2 stop bits 3. Parity: even/odd/none 4. Operating: full duplex, no echo 5. Handshake: Xon/Xoff 6. Plug: 9 pin sub d, socket 7. Pin assignment: RS 232 module RS 485 module GND Rxd TxD NC GND GND RxD-[...]

  • Page 7

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 3 3. Protocol settings The data and command transfer protocol has the following structure: 3.1. Command telegram 1. Byte STX 2. Byte DON'T CARE 3. Byte FUNCT. CODE 1 4. Byte FUNCT. CODE 2 HEAD 5. Byte FUNCT. CODE 3 6. Byte FUNCT. CODE 4 7. Byte BLANK 8. Byte "K&quo[...]

  • Page 8

    1 - 4 AK 90003752(1) [AK-Commands] 10/98 3.2. Response telegram 1. Byte STX 2. Byte DON'T CARE 3. Byte FUNCT. CODE 1 4. Byte FUNCT. CODE 2 HEAD 5. Byte FUNCT. CODE 3 6. Byte FUNCT. CODE 4 7. Byte BLANK 8. Byte ERROR STATUS FIXED DATA D A VARIABLE DATA T (can also disappear, A depending on the function code) n. Byte ETX END[...]

  • Page 9

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 5 3.3. Command telegram for RS485 BUS operating 1. Byte STX 2. Byte BUS ADDRESS 3. Byte FUNCT. CODE 1 4. Byte FUNCT. CODE 2 HEAD 5. Byte FUNCT. CODE 3 6. Byte FUNCT. CODE 4 7. Byte BLANK 8. Byte "K" VARIABLE DATA 9. Byte NUMBER (Number with several digits possible)[...]

  • Page 10

    1 - 6 AK 90003752(1) [AK-Commands] 10/98 3.4. Response telegram for RS485 BUS operating 1. Byte STX 2. Byte BUS ADDRESS 3. Byte FUNCT. CODE 1 4. Byte FUNCT. CODE 2 HEAD 5. Byte FUNCT. CODE 3 6. Byte FUNCT. CODE 4 7. Byte BLANK 8. Byte ERROR STATUS FIXED DATA D A VARIABLE DATA T (can also disappear, A depending on the function code) n. Byte ETX END[...]

  • Page 11

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 7 4. Specifications of data settings 4.1. Head telegram (Header) The begin of each transfer is a "STX" in the first byte. Each "STX" will start a new transfer. Previous transfers will be deleted, if they are not finished by "ETX". That means, on[...]

  • Page 12

    1 - 8 AK 90003752(1) [AK-Commands] 10/98 4.2. Data block and error status byte The data presentation is variable. A fixed format will not be used. A blank or a <CR> with <LF> will be used as separating characters of data. The separation with <CR><LF> will only be done, if the following complete date will have more than 60 di[...]

  • Page 13

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 9 If an analyzer or a system is not in the "REMOTE" status, the control and write commands have to report "OF" ("Offline") in the data set to the. In system units the channel number has to be reported, too. If one analyzer is missing, a system u[...]

  • Page 14

    1 - 10 AK 90003752(1) [AK-Commands] 10/98 5. Examples for potential responses to control or write commands resp. to command telegrams with data (format) errors: 1. Analyzer and/or system unit with several analyzers "Online" and called analyzers are existing. 1. Byte STX 2. Byte DON'T CARE 3. Byte C 4. Byte O 5. Byte D 6. Byte E 7. By[...]

  • Page 15

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 11 2. Analyzer and/or system unit with several analyzers "Offline" and called analyzers are existing. 1. Byte STX 2. Byte DON'T CARE 3. Byte C 4. Byte O 5. Byte D 6. Byte E 7. Byte BLANK 8. Byte x Error status byte 9. Byte BLANK 10. Byte K 11. Byte n 12. Byte [...]

  • Page 16

    1 - 12 AK 90003752(1) [AK-Commands] 10/98 3. Called system unit "online", called single analyzer not available. If the test bench control computer will call the devices directly and the system unit or the analyzer are not available, you will not get any response telegram. So, the test bench control computer will have to realize the missin[...]

  • Page 17

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 13 4. Called system unit "offline", called single analyzer not available. If the test bench control computer will call the devices directly and the system unit or the analyzer are not available, you will not get any response telegram. So, the test bench control com[...]

  • Page 18

    1 - 14 AK 90003752(1) [AK-Commands] 10/98 Error status byte: Value is zero: Device without error. Value is not zero: Device with one or more errors. 11. Byte: Channel number zero: "System unit offline" 17. Byte: Channel number one to n: "Called device not available.[...]

  • Page 19

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 15 5. Called unit or channel is busy with a running function. 1. Byte STX 2. Byte DON'T CARE 3. Byte C 4. Byte O 5. Byte D 6. Byte E 7. Byte BLANK 8. Byte x Error status byte 9. Byte BLANK 10. Byte K 11. Byte n 12. Byte BLANK 13. Byte B 14. Byte S 15. Byte ETX Error sta[...]

  • Page 20

    1 - 16 AK 90003752(1) [AK-Commands] 10/98 6. The data are incomplete or the data do not have the expected format. 1. Byte STX 2. Byte DON'T CARE 3. Byte C 4. Byte O 5. Byte D 6. Byte E 7. Byte BLANK 8. Byte x Error status byte 9. Byte BLANK 10. Byte K 11. Byte n 12. Byte BLANK 13. Byte S 14. Byte E 15. Byte ETX Error status byte: Value is zero[...]

  • Page 21

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 17 7. The data or the parameters do not have the expected size. 1. Byte STX 2. Byte DON'T CARE 3. Byte C 4. Byte O 5. Byte D 6. Byte E 7. Byte BLANK 8. Byte x Error status byte 9. Byte BLANK 10. Byte K 11. Byte n 12. Byte BLANK 13. Byte D 14. Byte F 15. Byte ETX Error s[...]

  • Page 22

    1 - 18 AK 90003752(1) [AK-Commands] 10/98 6. Function sequence and error status after the receipt of the 'SRES' or 'STBY' commands 1. The test bench control computer is sending the control command SRES (Reset) to the system unit or any single analyzer. All running functions or procedures will be canceled. An initializing will st[...]

  • Page 23

    I) V24/RS232/485-Interface - Basics 90003752(1) [AK-Commands] 10/98 AK 1 - 19 2. The test bench control computer is sending the control command STBY (Stand- by) to the system unit or any single analyzer . There are two different cases: A If the system or the analyzer is resting, this mode will be finished. Then, it will be tried to get the stand-by[...]

  • Page 24

    1 - 20 AK 90003752(1) [AK-Commands] 10/98 B The system or the analyzer is in the operation mode SXYZ. This mode will be finished. Then, it will be tried to get the stand-by mode ready for an error free measurement. If there will be an error in the function SXYZ, the system or the analyzer will try to remove this error to get the stand-by mode ready[...]

  • Page 25

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 1 Specifications of the criterions and codes for the communication between • the front-end computer (system computer) of an exhaust analyzer system and the test bench control computer. • each analyzer of an exhaust analyzer system and the test benc[...]

  • Page 26

    2 - 2 AK 90003752(1) [AK-Commands] 10/98 1. Basic Informations You can distinguish three cases: (1) Exhaust analyzer system: Some analyzers are combined logically. That means, these analyzers are connected with the TBCC via an front-end computer (system computer). The communication does not take place directly between the TBCC and the analyzers, bu[...]

  • Page 27

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 3 The codes determined in this manual are valid for the communication between • the TBCC and the front-end computer of an exhaust analyzer system. • the front-end computer of an exhaust analyzer system and the corresponding single devices. • the [...]

  • Page 28

    2 - 4 AK 90003752(1) [AK-Commands] 10/98 If it is possible in a system to put single channels together to lines, so the following definition will be valid: A line is the summary of "1-x" analyzers to a logical group "y", that can be switched physically to a gas channel "z". Each device can only be assigned to one line [...]

  • Page 29

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 5 2. List of all Codes 2.1. Control commands CODE Function Page SALI Kn Mm Linearization check with spangas 2 - 8 SARA Kn Autoranging "OFF" (located range will remain) 2 - 9 SARE Kn Autoranging "ON" 2 - 9 SATK Kn Autom. calibration [...]

  • Page 30

    2 - 6 AK 90003752(1) [AK-Commands] 10/98 2.2. Read commands CODE Function Page AAEG Kn Spangas deviation 2 - 39 AALI Kn Mm Deviations of the last linearization checks with spangas 2 - 40 AANG Kn Zerogas deviation 2 - 41 AEMB Kn Selected range (R1, R2, R3, R4) 2 - 45 AFDA Kn CODE Zero- /spangas time (function length of calibration) 2 - 46 AFDA Kn CO[...]

  • Page 31

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 7 2.3. Write commands CODE Function Page EFDA Kn CODE DATA Zero- /spangas time (function length of calibration) 2 - 85 EFDA Kn CODE Purge time 2 - 85 EGR W Kn DATA Limits 2 - 87 EKAK Kn Mm DATA Calibration gas concentration (in ppm) Value = 0: no spang[...]

  • Page 32

    2 - 8 AK 90003752(1) [AK-Commands] 10/98 3. Description of all Control Commands SALI – Control command "Linearization check with spangas" Starting this command the analyzer in a system or the single analyzer will start the spangas flow with all available spangases one after another. It will check the setpoint values automatically. The d[...]

  • Page 33

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 9 SARA – Control command "Autoranging OFF" SARE – Control command "Autoranging ON" Starting the command "Autoranging ON" the analyzers in a system or the single analyzer will select the best range for the current conce[...]

  • Page 34

    2 - 10 AK 90003752(1) [AK-Commands] 10/98 SATK – Control command "Automatic calibration" Starting this command the analyzers in a system or the single analyzer will start a calibration procedure to determine the correction values. The required calibration gases and the pumps will be switched on automatically. Then, the calibration proce[...]

  • Page 35

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 11 Stability control procedure Yes Yes No No Yes No Wait dead time Tt, if gases were switched Start timer for time-out To Calculate concentration mean value K1 over time Ti Set and start timer for stability time Calculate concentration mean value Knew [...]

  • Page 36

    2 - 12 AK 90003752(1) [AK-Commands] 10/98 Stability control Stability controlled procedure of the zero/span calibration Dead time Tt Time-out Stability time Ts Ti 2 * Deviation K1 Knew Knew Signal = Knew K1 Begin of gas flow Begin of stability control New begin of stability control Calibration Calibration Ti Ti Dead time Stability time Dead time St[...]

  • Page 37

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [ AK-Commands] 10/98 AK 2 - 13 Only for platform: SCAL – Control command "Start system calibration" To control the system calibration procedures the commands "SCAL", "STBY" and "ASTZ" have to be used. W ith "SCAL" the procedure[...]

  • Page 38

    2 - 14 AK 90003752(1) [ AK-Commands] 10/98 Stop command STBY K0 Function associated to the whole system unit Code Only using the channel number 0 (K0) will stop running "SYSCAL" procedure. Besides, all procedures of the other analyzer modules will be stopped. Response SCAL 0 Error status Code Read command ASTZ K0 Read of the whole FU Code[...]

  • Page 39

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 15 SEGA – Control command "Spangas" Starting this command the analyzers in a system or the single analyzer will switch on the calibration valve to spangas and switch on the required pumps. This function will only check the end point. It wil[...]

  • Page 40

    2 - 16 AK 90003752(1) [AK-Commands] 10/98 SEMB – Control command "Set range" Starting this command the analyzers in a system or the single analyzer will set the range that is named in the data. If the function "Autoranging" is running at that moment, it will be stopped and the named range will be selected. Control command SEMB[...]

  • Page 41

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 17 Only for CLD module: SENO/SNOX – Control command "Operation mode CLD" Starting the command "SENO" the CLD analyzers in a system or the single CLD analyzer will start the NO measurement. The command "SNOX" will start t[...]

  • Page 42

    2 - 18 AK 90003752(1) [AK-Commands] 10/98 SFRZ – Control command "Decimal point setup for floating point format" W ith this command the number of digits for real numbers will be setup. The real numbers will be set to the number of relevant digits. Standard setup: 6 relevant digits This command will have an effect to the output of all re[...]

  • Page 43

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 19 SGTS – Control command "Device test" Starting this command the analyzers in a system or the single analyzer will switch off the calibration gas and the samplegas. That means, all gas tubes to the analyzer device will be closed and the pu[...]

  • Page 44

    2 - 20 AK 90003752(1) [AK-Commands] 10/98 SHDE – Control command "Hold status ON" SHDA – Control command "Hold status OFF" We have the possibility to activate the "Hold"-feature not only per calibration. We can do this also by AK-Command "SHDE". W ith the command "SHDA" we have the possibility t[...]

  • Page 45

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 21 SINT – Control command "Integrator" Starting this command the FU will activate the internal integrators. The previous calculated and stored integral averages will be set to zero. The integrator will calculate new integral averages as lon[...]

  • Page 46

    2 - 22 AK 90003752(1) [AK-Commands] 10/98 SLCH – Control command "Linearization check" Starting this command the analyzers in a system or the single analyzer will switch on the gas tubing to a gas distribution and a linearization procedure will run. The device will record the correction values to the receiver specific raw curve. The dev[...]

  • Page 47

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 23 SLIN – Control command "Linearization" Starting this command the analyzers in a system or the single analyzer will switch on the gas tubing to a gas distribution. A linearization procedure for the selected range will run. The device will[...]

  • Page 48

    2 - 24 AK 90003752(1) [AK-Commands] 10/98 SLST – Control command "Set linearization step" Starting this command the gas distribution will switch on the named distribution step. The device will work like described for the commands "SLIN" or "SLCH" depending on the current procedure. The device will only accept the &qu[...]

  • Page 49

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 25 SMAN – Control command "Operation mode MANUAL" W ith this command the FU will change to the operation mode "Manual". Then it will only be possible to start functions from an operating unit integrated in the FU. The same operati[...]

  • Page 50

    2 - 26 AK 90003752(1) [AK-Commands] 10/98 SMGA – Control command "Samplegas" Starting this command the analyzers in a system or the single analyzer will switch on the sample gas valve and the pumps necessary for the samplegas transport. If continuous line recorders will be available, the paper transport will also be switched on. Control[...]

  • Page 51

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 27 SNAB – Control command "Zerogas calibration" Starting this command the analyzers in a system or the single analyzer will start a zerogas calibration. The calibration gas flow will start automatically and the calibration procedure will ru[...]

  • Page 52

    2 - 28 AK 90003752(1) [AK-Commands] 10/98 SNGA – Control command "Zerogas" Starting this command the analyzers in a system or the single analyzer will switch on the zerogas valve and the pumps necessary for the zerogas transport. This function will only check the zero point. It will not correct the calibration. If continuous line record[...]

  • Page 53

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 29 SPAB – Control command "Spangas calibration" Starting this command the analyzers in a system or the single analyzer will start a spangas calibration. The calibration gas flow will start automatically and the calibration procedure will ru[...]

  • Page 54

    2 - 30 AK 90003752(1) [AK-Commands] 10/98 SPAU – Control command "Pause" W ith this command the FU will be set to a defined status of interruption. This command will only be accepted, if the FU is already in the stand-by mode. The "SPAU" command will switch off the operation modes (e.g. FID flame, pump of an NO device) or the [...]

  • Page 55

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 31 SQEF – Control command "Cross interference" Starting this command the CO analyzer will measure wet C0 2 . It will be produced by streaming three percent C0 2 through water bottles at 20 degrees Celsius. The CO analyzer will measure this [...]

  • Page 56

    2 - 32 AK 90003752(1) [AK-Commands] 10/98 SREM – Control command "Remote" W ith this command the FU will change to the computing operation mode. Then, the function start will only be possible by the TBCC. This operation mode may only be set, if the service switch of the FU is in the position "Remote Enable". Control command SR[...]

  • Page 57

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 33 SRES – Control command "Reset" W ith this command the FU will get a software reset. This command has the same effect to the FU like the switching off and on of the power supply. All running procedures will be canceled. An initializing wi[...]

  • Page 58

    2 - 34 AK 90003752(1) [AK-Commands] 10/98 SRON – Control command "Delay modus ON" SROF – Control command "Delay modus OFF" Starting this command the analyzers in a system or the single analyzer will determine measurement and integral values (averages), that will be delayed according to the delay time of the write command &qu[...]

  • Page 59

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 35 SSPL – Control command "Purging" Starting this command the analyzers in a system or the single analyzer will switch on the purge gas valve and the pumps necessary for the purge gas transport. This function can be finished either by a new[...]

  • Page 60

    2 - 36 AK 90003752(1) [AK-Commands] 10/98 ST9O – Control command "Set t 90 time step" W ith this command the analyzer will use the t 90 time according to the current step. The abbreviation "S" means fast time, "M" means medium time and "L" means slow time. After the switching on of the device or after a &qu[...]

  • Page 61

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 37 STBY – Control command "Stand-by" W ith the command "Stand-by" the FU will be set to a defined status of interruption. Running functions like measuring or purging will be canceled. Then, the stand-by mode will be enabled. The r[...]

  • Page 62

    2 - 38 AK 90003752(1) [AK-Commands] 10/98[...]

  • Page 63

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 39 4. Description of all Read Commands AAEG – Read command "Deviation to spangas" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The measur[...]

  • Page 64

    2 - 40 AK 90003752(1) [AK-Commands] 10/98 AALI – Read command "Deviations of the last linearization check with spangas" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and subchannel (range): ∗ The determined and stored deviations in ppm of [...]

  • Page 65

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 41 AANG – Read command "Deviation to zerogas" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The determined and stored signal of the last z[...]

  • Page 66

    2 - 42 AK 90003752(1) [AK-Commands] 10/98 ABST – Read command "Counter of operating hours" To this read command the FU will send to the TBCC the following data: ∗ The operating hours until now for the roots fan, the turbo compressor, the sampling pumps etc. The operating hours will only be sent as integers. Read command ABST K0 Read o[...]

  • Page 67

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 43 ADRU – Read command "Pressure" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and if need be for the subchannel (pressure measurement): ∗ T[...]

  • Page 68

    2 - 44 AK 90003752(1) [AK-Commands] 10/98 ADUF – Read command "Flow" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and subchannel (flow measurement): ∗ The signal in liter per time unit. Read command ADUF K0 ADUF Kn (m) Read of channel n ([...]

  • Page 69

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 45 AEMB – Read command "Selected range" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The selected and used range at this moment. Read com[...]

  • Page 70

    2 - 46 AK 90003752(1) [AK-Commands] 10/98 AFDA – Read command "Function length" To this read command the FU will send to the TBCC the following data for the called channel (device): ∗ The function or procedure times of the function determined in "CODE". Functions like "SATK", "SLIN", "SLCH", &qu[...]

  • Page 71

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 47 AGID – Read command "Device identification" To this read command the gas analyzer will send to the TBCC a text string consisting of several data. These data will be separated by a slash ( / ). Read command AGID K0 Read of the whole syste[...]

  • Page 72

    2 - 48 AK 90003752(1) [AK-Commands] 10/98 AGRW – Read command "Limits" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The corresponding limits, e.g. maximum deviations of calibration. Read command AGR W K0 m AGR W Kn m Read of channel n [...]

  • Page 73

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 49 AIKG – Read command "Concentration integral value; all" To this read command the FU will send to the TBCC the following data: ∗ The corrected average signal valid at that moment (e.g. analyzed value), that has been calculated since the[...]

  • Page 74

    2 - 50 AK 90003752(1) [AK-Commands] 10/98 Response AIKG 0 123400 12340 1234 123.4 12.34 -1.23 # Channel 7 no signal, invalid or range overflow/underflow Channel 6 negative value 1 digit before/ 2 digits after decimal point. Channel 5 positive value 2 digit before / 2 digits after decimal point. Channel 4 positive value 3 digits before / 1 di git af[...]

  • Page 75

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 51 AIKO – Read command "Concentration integral value" To this read command the FU will send to the TBCC the following data: ∗ The corrected average signal valid at that moment (e.g. analyzed value), that has been calculated since the last[...]

  • Page 76

    2 - 52 AK 90003752(1) [AK-Commands] 10/98 Response AIKO 0 123400 12340 1234 123.4 12.34 -1.23 # Channel 7 no signal, invalid or range overflow/underflow Channel 6 negative value 1 digit before/ 2 digits after decimal point. Channel 5 positive value 2 digit before / 2 digits after decimal point. Channel 4 positive value 3 digits before / 1 digit aft[...]

  • Page 77

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 53 AKAK – Read command "Calibration gas concentration" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and range: ∗ The calibration gas concent[...]

  • Page 78

    2 - 54 AK 90003752(1) [AK-Commands] 10/98 AKAL – Read command "Stored calibration corrections" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The corrections in ppm determined and stored during the last calibration. These corrections are[...]

  • Page 79

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 55 Response AKAL 0 M1 aaa kk AAA KK ..... Mn xxx ff XXX FF Deviation of the final point value Correction for the final point Deviation of the zero value Correction for the zero point nth range Deviation of the final point value Correction for the f ina[...]

  • Page 80

    2 - 56 AK 90003752(1) [AK-Commands] 10/98 AKEN – Read command "Device tag" To this read command the FU will send to the TBCC the tag for the called channel (device). Read command AKEN K0 AKEN Kn Read of channel n Code Response AKEN 0 XXX..X Device tag Error status Code[...]

  • Page 81

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 57 AKFG – Read command "Configuration of the system" To this read command the system will send to the TBCC the following data: ∗ The adjustment about the channels (analyzers or virtual channels) that are expected to send the current signa[...]

  • Page 82

    2 - 58 AK 90003752(1) [AK-Commands] 10/98 AKON – Read command "Signal" (measured concentration value) To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data: ∗ The corrected signal (concentration value) valid at that moment. Normally the physical unit is ppm. The value will be li[...]

  • Page 83

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 59 Response AKON 0 123400 12340 1234 123.4 12.34 -1.23 # Channel 7 no signal, invalid or range overflow/underflow Channel 6 negative value 1 digit before/ 2 digits after decimal point. Channel 5 positive value 2 digit before / 2 digits after decimal po[...]

  • Page 84

    2 - 60 AK 90003752(1) [AK-Commands] 10/98 AKOW – Read command "Correction for zerogas calibration and gradient" To this read command each analyzer in a system or the single analyzer will send to the TBCC the following data: ∗ The correction of the last zero calibration and the gradient of the calibration curve. Read command AKO W K0 M[...]

  • Page 85

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 61 ALCH – Read command "Deviations of the last linearization check" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and subchannel (range): ∗ T[...]

  • Page 86

    2 - 62 AK 90003752(1) [AK-Commands] 10/98 Only for MLT analyzers: ALIK – Read command "Output of the linearization curve" To this read command the x/y values of the linearization curve will be sent. W ith this values can be determined the desired segment of the linearization curve and the interval between the function values. Read comma[...]

  • Page 87

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 63 ALIN – Read command "Linearization values" (X/Y = Setpoint / Raw value) To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and subchannel (range)[...]

  • Page 88

    2 - 64 AK 90003752(1) [AK-Commands] 10/98 ALKO – Read command "Polynomial coefficients of the linearization curve" The coefficients of the linearization polynomial calculated by the analyzer linearization will be transferred. These coefficients will be enabled using the polynomial method to linearize. Read command ALKO Kn Mm Read of cha[...]

  • Page 89

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 65 ALST – Read command "Linearization steps" To this read command the gas distribution will send to the TBCC or to the system the following data: ∗ The numbers and the division in percent of the distribution steps (maximum two digits afte[...]

  • Page 90

    2 - 66 AK 90003752(1) [AK-Commands] 10/98 AM90 – Read command "Actual response time (t 90 )" To this read command the analyzer will send the t 90 time in seconds that is enabled to calculate the concentration for the called channel at the moment. Cf. "AT90", "ET90", "ST90" and "EM90" Read command [...]

  • Page 91

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 67 AMBA – Read command "Begin of range" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The begin of range values in ppm. Read command AMBA [...]

  • Page 92

    2 - 68 AK 90003752(1) [AK-Commands] 10/98 AMBE – Read command "End of range" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The end of range values in ppm. Read command AMBE K0 [Mx] AMBE Kn [Mx] Range number (optional) Read of channel n [...]

  • Page 93

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 69 AMBU – Read command "Switching values for autoranging" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The adjusted switching values in p[...]

  • Page 94

    2 - 70 AK 90003752(1) [AK-Commands] 10/98 AMDR – Read command "Manual adjusted pressure" To this read command the gas analyzer will send the value adjusted for the parameter. This value will be useful, if no pressure measurement will be installed in the analyzer. Read command AMDR Kn Read of channel n Code Response AMDR 0 a Pressure [Pa[...]

  • Page 95

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 71 AQEF – Read command "Cross interference" To this read command the CO analyzer or the system will send to the TBCC : ∗ The concentration value in ppm determined and stored in the analyzer. This value will be stored in the device until a[...]

  • Page 96

    2 - 72 AK 90003752(1) [AK-Commands] 10/98 ASOL – Read command "Setpoint value with limits" To this read command the FU will send to the TBCC the following data for the called channel (FU) and subchannel (e.g. heating): ∗ The adjusted setpoints with deviation limits for error reports. For the actual used devices subchannel "m"[...]

  • Page 97

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 73 ASTA – Read command "General status of the system" To this read command the FU will send to the TBCC : ∗ All channels of the FU with any error in their status at that moment. A detailed description of the errors will not be sent to thi[...]

  • Page 98

    2 - 74 AK 90003752(1) [AK-Commands] 10/98 ASTF – Read command "Error status" To this read command the FU will send to the TBCC : ∗ All error existing at that moment in the called channel (FU). The description of the error characterization is specific for each device. It will be symbolized with a number. A reading to "K0" wil[...]

  • Page 99

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 75 TTypical meanings of errors for certain devices: NDIR/NDUV Analyzers No. 1 = Flow error No. 2 = Chopper failure No. 3 = Thermostat failure No. 4 = RAM error No. 5 = Calibration error zerogas No. 6 = Calibration error spangas No. 7 = Range overflow N[...]

  • Page 100

    2 - 76 AK 90003752(1) [AK-Commands] 10/98 ASTZ – Read command "Status" To this read command the FU will send to the TBCC the following data for the called channel (FU): ∗ The device status at that moment ∗ Running procedures. The status will be described by the code used for the activation of the function. The operation modes "[...]

  • Page 101

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 77 Response ASTZ 0 KV SREM CODEn K1 SREM CODEn K2 # Kn SREM CODEn SMAN SMAN SMAN Status code Channel n and its status Device is not available Channel 2 and its status Status code Ch annel 1 and its status Status code Channel 0 and its status Error stat[...]

  • Page 102

    2 - 78 AK 90003752(1) [AK-Commands] 10/98 ASYZ – Read command "System time" To this read command the FU will send to the TBCC the following data for the called channel (device): ∗ The current system time (calendar time). Read command ASYZ Kn Read of channel n Code Response ASYZ 0 JJMMTT hhmmss Time of the system Error status Code[...]

  • Page 103

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 79 AT9O – Read command "T 90 time" (response time) To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The t 90 time steps. Read command AT9O K0[...]

  • Page 104

    2 - 80 AK 90003752(1) [AK-Commands] 10/98 ATEM Read command "Temperature" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device) and subchannel (temperature measurement): ∗ The signal in Kelvin. Read command ATEM K0 (m) ATEM Kn (m) Read of channel n [...]

  • Page 105

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 81 ATOL – Read command "Stability tolerances" To this read command the analyzers in a system, the single analyzer or the front-end computer will send to the TBCC the following data: ∗ The necessary tolerances for functions running stabili[...]

  • Page 106

    2 - 82 AK 90003752(1) [AK-Commands] 10/98 AUKA – Read command "Uncorrected analog value" To this read command the called analyzer in a system or the single analyzer will send to the TBCC the following data: ∗ The uncorrected analog output value in Volt and the corresponding range. Read command AUKA K0 AUKA Kn Read of channel n Code Re[...]

  • Page 107

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 83 AVEZ – Read command "Delay and synchronization time" To this read command the analyzers in a system or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The delay time used for the record o[...]

  • Page 108

    2 - 84 AK 90003752(1) [AK-Commands] 10/98 AZEI – Read command "Times" To this read command the FU will send to the TBCC the following data for the called channel (FU): ∗ The times used to start a function or procedure, e.g. times for the automatic start of a calibration. Read command AZEI Kn CODE Code of the function Read of channel n[...]

  • Page 109

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [ AK-Commands] 10/98 AK 2 - 85 5. Description of all Write Commands EFDA – Write command "Function length" W ith this write command the FU will get the function length of the function "SXXX" in seconds for the called channel (device), e.g. "Time Out&qu[...]

  • Page 110

    2 - 86 AK 90003752(1) [ AK-Commands] 10/98 Response EFDA 0 Error status Code[...]

  • Page 111

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 87 EGRW – Write command "Limit" W ith this write command the analyzers in a system or the single analyzer will get the required limits for the called channel (device), e.g. maximum deviation for calibration. If these limits will be exceeded[...]

  • Page 112

    2 - 88 AK 90003752(1) [AK-Commands] 10/98 EKAK – Write command "Calibration gas concentration" W ith this write command the analyzers in a system or the single analyzer will get the spangas values for each range. Write command EKAK K0 M1 YYYY ... Mx ZZZZ EKAK Kn M1 YYYY ... Mx ZZZZ Spang as value Addressed range x Spangas value Addresse[...]

  • Page 113

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 89 EKEN – Write command "Device tag" W ith this write command the FU will get a tag to store in the FU memory. Then it will have to be unchangeable. That means, if this part of memory will be written, the device processor will have to save [...]

  • Page 114

    2 - 90 AK 90003752(1) [AK-Commands] 10/98 EKFG – Write command "Configuration of the system" W ith this write command the FU will get the channels (analyzers) sending the current signals and their sequence. Furthermore the FU will get the channels that should be called with the total channel command "K0" or "KV Ln", [...]

  • Page 115

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 91 ELIN – Write command "Linearization values (X/Y)" W ith this write command the analyzers in a system or the single analyzer will get the linearization values for the calculation of gas concentration for the called channel (device) and su[...]

  • Page 116

    2 - 92 AK 90003752(1) [AK-Commands] 10/98 ELKO – Write command "Polynomial coefficients of the linearization curve" The coefficients of a linearization polynomial will be transferred to the analyzer. These values will then be enabled to calculate the gas concentration using the polynomial method for linearization. Write command ELKO Kn [...]

  • Page 117

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 93 ELST – Write command "Linearization steps" W ith this write command the device will get the numbers of the distribution steps and each division in percent of the gas distribution used for linearization. But this command will only be acce[...]

  • Page 118

    2 - 94 AK 90003752(1) [AK-Commands] 10/98 EMBA – Write command "Begin of range" W ith this write command the analyzers in a system or the single analyzer will get each begin of range of the total range in ppm. The analog output signal will be referred to these values for instance. Write command EMBA Kn M1 YYYY [... Mx ZZZZ] Begin of ran[...]

  • Page 119

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 95 EMBE – Write command "End of range" W ith this write command the analyzers in a system or the single analyzer will get each end of range of the total range in ppm. The analog output signal will be referred to these values for instance. W[...]

  • Page 120

    2 - 96 AK 90003752(1) [AK-Commands] 10/98 EMBU – Write command "Switch levels for autoranging" W ith this write command the analyzers in a system or the single analyzer will get for the called channel (device): ∗ The required values in ppm to switch from one range to another with autoranging. Write command EMBU Kn Mn XXX YYY [Mm XXX Y[...]

  • Page 121

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 97 EMDR – Write command "Manual adjusted pressure" W ith this write command the analyzer will get a pressure value for the called channel. This value will be used as pressure correction, if no pressure measurement is installed in the device[...]

  • Page 122

    2 - 98 AK 90003752(1) [AK-Commands] 10/98 ESOL – Write command "Setpoint value with limits" W ith this write command the FU will get the required setpoint values with acceptable deviations for the called channel (device) and subchannel (e.g. heating). If these limits will be exceeded during the operation, it will cause a changing of the[...]

  • Page 123

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 99 ESYZ – Write command "System time" W ith this write command the FU will get the system time (calendar time) that has to be adjusted for the called channel (device). Write command ESYZ Kn JJMMTT hhmmss Value for the adjustment of the syst[...]

  • Page 124

    2 - 100 AK 90003752(1) [AK-Commands] 10/98 ET9O – Write command "T 90 time" (response time) W ith this write command the analyzers in a system or the single analyzer will get the t 90 time steps in seconds that have to be adjusted for the called channel (device). Write command ET9O Kn XXX YYY ZZZ Value for the adjustment of the t 90 tim[...]

  • Page 125

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 101 ETOL – Write command "Stability tolerances" W ith this write command the analyzers in a system, the single analyzer or the front-end computer will get the required tolerances for functions running stability controlled. The tolerance wil[...]

  • Page 126

    2 - 102 AK 90003752(1) [AK-Commands] 10/98 EVEZ – Write command "Delay and synchronization time" W ith this write command the analyzers in a system or the single analyzer will get the delay time and the synchronization time for the called channel (device). The delay time will be used for integrators started by "SINT" or for th[...]

  • Page 127

    II) V24/RS232/485 Interface - Single Analyzers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 103 EZEI – Write command "Times" W ith this write command the FU will get the times that have to be adjusted in the called channel (device) for the automatic start of functions or procedures (e.g. "Automatic calibration"). Further[...]

  • Page 128

    2 - 104 AK 90003752(1) [AK-Commands] 10/98 Write command EZEI Kn CODE JJMMTT hhmmss T-0 Function length Start time of the function S tart day of the function Function that shall be started Addressed channel Code Response EZEI 0 Error status Code[...]

  • Page 129

    Supplement 90003752(1) [AK-Commands] 10/98 AK Supplement - 1 1. Overview about working AK commands in NGA devices Code Function MLT local V3.2 MLT/CU V3.2 Other AM V3.2 AAEG Deviation to span gas √ √ AALI Linearization check results √ √ AANG Deviation to zero gas √ √ ABST Hours of operation √ √ ADRU Pressure √ √ √ ADUF Flow ?[...]

  • Page 130

    Supplement - 2 AK 90003752(1) [AK-Commands] 10/98 Code Function MLT local V3.2 MLT/CU V3.2 Other AM V3.2 ELST Linearization steps √ √ EMBA Begin of ranges √ √ √ EMBE End of ranges √ √ √ EMBU Switch levels for autorange √ √ EMDR Manual pressure value √ √ EPAR Parameters general ESOL Setpoints with limits √ √ ESYZ Time and[...]

  • Page 131

    Supplement 90003752(1) [AK-Commands] 10/98 AK Supplement - 3 2. AK Service Commands ASVC K0 S599 ExactNode Name Reading of LON variables of a network node Description: This command is an enlarged alternative to the S600 command. It may use the variables of all network nodes , even if they will not be analyzer modules. You only have to know the righ[...]

  • Page 132

    Supplement - 4 AK 90003752(1) [AK-Commands] 10/98 S600: Access to LON network variables Access to network variables of an analyzer module. Notes: + If a variable will contain several values (array), you can access to these values by adding the corresponding number directly to the name of the variable. Example: LINYA = [31, 44, 54] LINYA1 = 31 LINYA[...]

  • Page 133

    Supplement 90003752(1) [AK-Commands] 10/98 AK Supplement - 5 ASVC Kn S615 b Reading of the current data of a DIO board Description: The current status of the named DIO board will be read. Syntax: b: Board number (1, 2, 3 ,4; not SLOT-ID); for b = 0 the data of all available DIO's will be sent Response: ASV C 0 IIIIIIII OOOOOOOO OOOOOOOO OOOOOO[...]

  • Page 134

    Supplement - 6 AK 90003752(1) [AK-Commands] 10/98 SSVC Kn S621 a Loading/Saving of device specific parameters Description: W ith this command you can load/save the device specific parameters. This will be possible via the serial interface and from /to the internal FLASH memory (if on ACU available!). Syntax: a = 1: loading new configuration via the[...]

  • Page 135

    Supplement 90003752(1) [AK-Commands] 10/98 AK Supplement - 7 ASVC Kn S630 Output of the LON variable names Description: All LON variables that are available in an analyzer module will be sent out with their names. If a variable will contain several values (array), it will be marked by an appendix in brackets. In these brackets you will find the num[...]

  • Page 136

    Supplement - 8 AK 90003752(1) [AK-Commands] 10/98 ASVC Kn S640 a Output of values of the MLT concentration formula Concentration formula: Conce = FacP * FacT * FacSpan * Lin{(RawAvg - OffP - OffT - OffX) * RGain * Gain} Meaning of the variables: RawAvg: Raw value average (including t 90 time) OffP: Offset correction of physics OffT: Offset correcti[...]