Emerson Process Management MLT 2 manual

ww w .EmersonProcess.com Instruction Manual AK Protocol Communication Option for ML T 1, ML T 2, ML T 3, ML T 4, ML T 5 and CA T 200 3 rd Edition 1 1/2003 Instruction Manual 90003752 1 1/2003[...]

AK Protocol for ML T 1, 2, 3, 4, 5 & CA T 200 Instruction Manual 90003752 11/2003 Emerson Process Management GmbH & Co. OHG Industriestrasse 1 D-63594 Hasselroth Germany T +49 (0) 6055 884-0 F +49 (0) 6055 884-209 Internet: www .EmersonProcess.com ESSENTIAL INSTRUCTIONS READ THIS P AGE BEFORE PROCEEDING! Emerson Process Management (Rosemoun[...]

90003752(2) [AK-Commands] 11/01 AK Contents I) V24/RS232/485 Interface – Basics 1 - 1 1 Introducti on .................................................................................................1 - 1 2 Hardware ....................................................................................................1 - 2 3 Protocol se ttings .....[...]

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

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 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 ontro[...]

1 - 2 AK 90003752(2) [AK-Commands] 10/01 2. Hardware 1. Baud rate: 1200, 2400, 4800, 9600, 19200 2. Length of signs: 1 start bit 7 or 8 data 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- [...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 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[...]

1 - 4 AK 90003752(2) [AK-Commands] 10/01 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[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 5 3.3. Comm and 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[...]

1 - 6 AK 90003752(2) [AK-Commands] 10/01 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[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 7 4. Specifications of data settings 4.1. Head telegram (Header) The begin of each transfer is a "STX" in the fi rst byte. Each "STX" will start a new transfer. Previous transfers will be deleted, if they ar e not finished by "ETX". That means, [...]

1 - 8 AK 90003752(2) [AK-Commands] 10/01 4.2. Data block and error status byte The data presentation is variable. A fixed format will not be used. A bl ank or a <CR> with <LF> will be used as separating characters of data. The separat ion with <CR><LF> will only be done, if the following complete date will have more than 60 [...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 9 If an analyzer or a system is not in the "REM OTE" status, the cont rol 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[...]

1 - 10 AK 90003752(2) [AK-Commands] 10/01 4.4. Comm and and response telegram timing For each command telegram of the TBCC t he peripheral analyzer sends a response telegram. It is not allowed for the TBCC to send new command telegrams before this response telegram is received. For most of the command telegrams this response might be sent after som[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 11 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[...]

1 - 12 AK 90003752(2) [AK-Commands] 10/01 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 BLANK 13. Byte O 14. Byte F evtl. va[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 13 3. Called system unit "online", called single analyzer not available. If the test bench control comput er will call the devices directly and the system unit or the analyzer are not available, y ou will not get any response telegram. So, the test bench control co[...]

1 - 14 AK 90003752(2) [AK-Commands] 10/01 4. Called system unit "offline", called single analyzer not available. If the test bench control comput er will call the devices direct ly and the system unit or the analyzer are not available, y ou will not get any response telegram. So, the test bench control computer will have to realize the mi[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 15 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.[...]

1 - 16 AK 90003752(2) [AK-Commands] 10/01 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 status byte: Value is zero: Device with[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 17 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 [...]

1 - 18 AK 90003752(2) [AK-Commands] 10/01 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 status byte: Value is zero: Device wi[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 19 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 [...]

1 - 20 AK 90003752(2) [AK-Commands] 10/01 2. The test bench control computer is sending the control command S TB Y ( St a nd - by ) to the system unit or any single analyzer. There are two different cases: ! If the system or the analyzer is resting, this mode will be finished. T hen, it will be tried to get the stand-by mode ready for an erro r fre[...]

I) V24/RS232/485-Interface - Basics 90003752(2) [AK-Commands] 11/01 AK 1 - 21 # The system or the analyzer is in the oper ation 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, t he system or the analyzer will try to remove thi[...]

1 - 22 AK 90003752(2) [AK-Commands] 10/01[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 1 Specifications of the criteri ons and codes for the communication between • the front-end computer (syst em computer) of an exhaust analyzer system and the test bench control computer. • each analyzer of an exhaust analyzer system and the te[...]

2 - 2 AK 90003752(3) [AK-Commands] 11/03 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 com puter (system computer). The communication does not take place directly between the TBCC and the anal yzers, [...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 comput er of an exhaust analyzer system. • the front-end computer of an exhaust anal yzer system and the corresponding single devices. ?[...]

2 - 4 AK 90003752(3) [AK-Commands] 11/03 If it is possible in a system to put singl e 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 dev ice can only be assigned to one lin[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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. calibra[...]

2 - 6 AK 90003752(3) [AK-Commands] 11/03 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[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 EGRW Kn DATA Limits 2 - 87 EKAK Kn Mm DATA Calibration gas concentration (in ppm) Value = 0: no s[...]

2 - 8 AK 90003752(3) [AK-Commands] 11/03 3. Description of all Control Commands SALI – Control command "Linearization check with spangas" Starting this command the analyzer in a syst em or the single analyzer will start the spangas flow with all available spangases one after another. It will check the setpoint values automatically. The [...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 analyze rs in a system or the single analyzer will select the best range for the cu rren[...]

2 - 10 AK 90003752(3) [AK-Commands] 11/03 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 correcti on values. The required calibration gases and the pumps will be switched on automatically. Then, the ca libration pro[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 [...]

2 - 12 AK 90003752(3) [AK-Commands] 11/03 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[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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. With "SCAL" the proced[...]

2 - 14 AK 90003752(3) [AK-Commands] 11/03 STBY K0 Function associated to the whole system unit Code Only using the channel number 0 (K0) will st op running "SYSCAL" proc edure. 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 With the co[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 t he required pumps. This function will only check the end point. [...]

2 - 16 AK 90003752(3) [AK-Commands] 11/03 SEMB – Control command "Set range" Starting this command the analyzers in a syst em or the single analyzer will set the range that is named in the data. If t he function "Autoranging" is runni ng at that moment, it will be stopped and the named range will be selected. Control command S[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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. T he command "SNOX" will s[...]

2 - 18 AK 90003752(3) [AK-Commands] 11/03 SFRZ – Control command "Decimal point setup for floating point format" With this command the format of real numbers will be setup. This command will have an effect to the output of all real numbers. It is not possible to vary it for different channels. Control command SFRZ K0 n Parameter Functio[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 [...]

2 - 20 AK 90003752(3) [AK-Commands] 11/03 SHDE – Control command "Hold status ON" SHDA – Control command "Hold status OFF" We have the possibility to activate the "Hol d"-feature not only per calibration. We can do this also by AK-Command "SHDE". With t he command "SHDA" we have the possibility [...]

II) V24/RS232/485 In te r fa ce - Single Analy zers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 21 SINT – Control command "Integrator" Starting this command the FU will ac tivate the internal integrator s. The previous calculated and stored integral averages will be set to zero. The integrator will calculate new integral averages[...]

2 - 22 AK 90003752(3) [AK-Commands] 11/03 SLCH – Control command "Linearization check" Starting this command the analyzers in a syst em or the single analyzer will switch on the gas tubing to a gas distribution and a linear ization procedure will run. The device will record the correction values to the receiver specific raw curve. The d[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 lineariz ation procedure for the selected range will run. The devic[...]

2 - 24 AK 90003752(3) [AK-Commands] 11/03 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 co mmands "SLIN" or "SLCH" depending on the current procedure. The device will only accept the &q[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 25 SMAN – Control command "Operation mode MANUAL" With this command the FU will change to the operation mode "Manual". Then it will only be possible to start functions fr om an operating unit integrated in the FU. The same op[...]

2 - 26 AK 90003752(3) [AK-Commands] 11/03 SMGA – Control command "Samplegas" Starting this command the analyzers in a syst em 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. Contro[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 wi[...]

2 - 28 AK 90003752(3) [AK-Commands] 11/03 SNGA – Control command "Zerogas" Starting this command the analyzers in a syst em or the single analyzer will switch on the zerogas valve and the pumps necessary for t he zerogas transport. This function will only check the zero point. It will not correct the ca libration. If continuous line rec[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 29 SPAB – Control command "Spangas calibration" Starting this command the analyze rs in a system or the single analyzer will start a spangas calibration. The calibration gas flow will start automatically and the calibration procedure w[...]

2 - 30 AK 90003752(3) [AK-Commands] 11/03 SPAU – Control command "Pause" With this command the FU will be set to a defi ned 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 [...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 [...]

2 - 32 AK 90003752(3) [AK-Commands] 11/03 SREM – Control command "Remote" With this command the FU will change to t he computing operation mode. Then, the function start will only be possible by the TB CC. This operation mode may only be set, if the service switch of the FU is in the position "Remote Enable". Control command S[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 33 SRES – Control command "Reset" With 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 initializin[...]

2 - 34 AK 90003752(3) [AK-Commands] 11/03 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 val ues (averages), that will be delayed according to the delay time of the write command &q[...]

II) V24/RS232/485 In te r fa ce - Single Analy zers 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 [...]

2 - 36 AK 90003752(3) [AK-Commands] 11/03 ST9O – Control command "Set t 90 time step" With this command the analyzer will use the t 90 time according to the current step. The abbreviation "S" means fast time, "M" means m edium time and "L" means slow time. After th e sw itc hin g o n o f th e de vi c e o r [...]

II) V24/RS232/485 In te r fa ce - Single Analy zers and Systems 90003752(1) [AK-Commands] 10/98 AK 2 - 37 STBY – Control command "Stand-by" With the command "Stand-by" the FU will be se t to a defined status of interruption. Running functions like measuring or purging will be canceled. Then, the stand-by mode will be enabled. [...]

2 - 38 AK 90003752(3) [AK-Commands] 11/03[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 syst em or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ [...]

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 syst em 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[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 41 AANG – Read command "Deviation to zerogas" To this read command the analyzers in a syst em or the single analyzer will send to the TBCC the following data for the called channel (device): ∗ The determined and stored signal of [...]

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

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 measureme[...]

2 - 44 AK 90003752(1) [AK-Commands] 10/98 ADUF – Read command "Flow" To this read command the analyzers in a syst em or the single anal yzer 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[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 45 AEMB – Read command "Selected range" To this read command the analyzers in a syst em 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[...]

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[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 wh[...]

2 - 48 AK 90003752(1) [AK-Commands] 10/98 AGRW – Read command "Limits" To this read command the analyzers in a syst em 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 AGRW K0 m AGRW Kn m Read of channel n a[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 49 AIKG – Read command "Concentration integral value; all" To this read command the FU will s end to the TBCC the following data: ∗ The corrected average signal valid at that mo ment (e.g. analyzed value), that has been calculate[...]

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 d e c i m a l p o i n t . Channel 5 positive value 2 digit before / 2 digits after d e c i m a l p o i n t . Channel 4 positive value 3 digit[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 51 AIKO – Read command "Concentration integral value" To this read command the FU will s end to the TBCC the following data: ∗ The corrected average signal valid at that mo ment (e.g. analyzed value), that has been calculated sin[...]

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 d e c i m a l p o i n t . Channel 5 positive value 2 digit before / 2 digits after d e c i m a l p o i n t . Channel 4 positive value 3 digit[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 53 AKAK – Read command "Calibration gas concentration" To this read command the analyzers in a syst em or the single analyzer will send to the TBCC the following data for the ca lled channel (device) and range: ∗ The calibration [...]

2 - 54 AK 90003752(1) [AK-Commands] 10/98 AKAL – Read command "Stored calibration corrections" To this read command the analyzers in a syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device): ∗ The corrections in ppm determined and stor ed during the last calibration. These correcti[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 C o r r e c t i o n f o r t h e f i n a l p o i n t Deviation of the z e r o v a l u e C o r r e c t i o n f o r t h e z e r o p o i n t n t h r a n [...]

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

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 TB CC the f ol lo wi ng data: ∗ The adjustment about the channels (analyzers or virtual channel s) that are expected to send th[...]

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

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 o v e r f l o w / u n d e r f l o w Channel 6 negative value 1 digit before/ 2 digits after d e c i m a l p o i n t . Channel 5 positive value 2 dig[...]

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 syst em or the single analyzer will send to the TBCC th e following d a ta : ∗ The correction of the last zero calibrati on and the gradient of the calibration curve. Read command AKOW[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device) and subchannel[...]

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. With this values can be determined the desired segment of the linearization curve and the interval between the function values. Read comman[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device) and sub[...]

2 - 64 AK 90003752(1) [AK-Commands] 10/98 ALKO – Read command "Polynomial coefficients of the linearization curve" The coefficients of the linear ization 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 ch[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 TBC C or to the system the following dat a: ∗ The numbers and the division in percent of the distribution steps (maximum two [...]

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 [...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 67 AMBA – Read command "Begin of range" To this read command the analyzers in a syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device): ∗ The begin of range values in ppm. Rea[...]

2 - 68 AK 90003752(1) [AK-Commands] 10/98 AMBE – Read command "End of range" To this read command the analyzers in a syst em or the single analyzer will send to the TB CC the f ol lo win g 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 chan[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 69 AMBU – Read command "Switching values for autoranging" To this read command the analyzers in a syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device): ∗ The adjusted switch[...]

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

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 TB CC : ∗ The concentration value in ppm determined and stored in the analyzer. This value will be stored in the devi[...]

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 TBC C the f oll ow in g data for the called channel (FU) and subchannel (e.g. heating): ∗ The adjusted setpoints with devia tion limits for error reports. For the actual used devices subchannel "[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 TB CC: ∗ All channels of the FU with any error in their status at that moment. A detailed description of the errors will not be se[...]

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

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 o[...]

2 - 76 AK 90003752(1) [AK-Commands] 10/98 ASTZ – Read command "Status" To this read command the FU will send to the TBC C 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 "[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 C h a n n e l n a n d i t s s t a t u s D e v i c e i s n o t a v a i l a b l e C h a n n e l 2 a n d i t s s t a t u s Status code C h a n n e l 1 a [...]

2 - 78 AK 90003752(1) [AK-Commands] 10/98 ASYZ – Read command "System time" To this read command the FU will send to the TBC C 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 E r r o r s t a t u s[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 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 syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device): ∗ The t 90 time steps. Read [...]

2 - 80 AK 90003752(1) [AK-Commands] 10/98 ATEM Read command "Temperature" To this read command the analyzers in a syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called c hannel (device) and subchannel (temperature measurement): ∗ The signal in Kelvin. Read command ATEM K0 (m) ATEM Kn (m) Read of cha[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 81 ATOL – Read command "Stability tolerances" To this read command the analyzers in a syst em, the single analyzer or the front-end computer will send to the TB CC the f ol lo win g data: ∗ The necessary tolerances for functions [...]

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 singl e analyzer will send to the TB CC the f ol lo wi ng data: ∗ The uncorrected analog output value in Volt and the corresponding range. Read command AUKA K0 AUKA Kn Read of channel n C[...]

II) V24/RS232/485 I n t e r f a c e - Single Analyzers and Sy stems 90003752(1) [AK-Commands] 10/98 AK 2 - 83 AVEZ – Read command "Delay and synchronization time" To this read command the analyzers in a syst em or the single analyzer will send to the TB CC the f ol lo win g data for the called channel (device): ∗ The delay time used f[...]

2 - 84 AK 90003752(1) [AK-Commands] 10/98 AZEI – Read command "Times" To this read command the FU will send to the TBC C the f oll ow in g 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 chan[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems 5. Description of all Write Commands EFDA – Write command "Function length" With this write command the FU will get the function length of the function "SXXX" in seconds for the called channel (device), e.g. "T ime Out" for purging or for switching on t[...]

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

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems EGRW – Write command "Limit" With 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 duri ng the operation, it will caus [...]

EKAK – Write command "Calibration gas concentration" With 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 Spangas value Addressed range x Spangas value Addressed range 1 Addressed channel n Code Response [...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems EKEN – Write command "Device tag" With 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 it against an overwr iting automatica[...]

EKFG – Write command "Configuration of the system" With this write command the FU will get t he 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" , i.e. the channels that shall be included [...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems ELIN – Write command "Linearization values (X/Y)" With 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 subchannel (range). A new linearization[...]

ELKO – Write command "Polynomial coefficients of the linearization curve" The coefficients of a linearization polynom ial 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 a0 a1 a2 a3... Polynomial coefficients Re[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems ELST – Write command "Linearization steps" With this write command the device will get t he numbers of the distribution steps and each division in percent of the gas distribution us ed for linearization. Bu t this command will only be accepted, if the commands "SLIN&q[...]

EMBA – Write command "Begin of range" With this write command the analyzers in a system or the singl e analyzer will get each begin of range of the total r ange in ppm. The analog output signal will be referred to these values for instance. Write command EMBA Kn M1 YYYY [... Mx ZZZZ] Begin of range x (optional) Addressed range x (option[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems EMBE – Write command "End of range" With 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. Write command EMBE Kn M1 YYYY [... Mx [...]

EMBU – Write command "Switch levels for autoranging" With 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 YYY ...] (optional) Switching value to chang[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems EMDR – Write command "Manual adjusted pressure" With this write command the analyzer will get a pressure value for the called channel. This value will be used as pressure co rrection, if no pressure meas urement is installed in the device. Cf. "AMDR", "ADRU&[...]

ESOL – Write command "Setpoint value with limits" With this write command the FU will get the required setpoi nt 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 caus e a changing of the error status byte. For the actual used d[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems ESYZ – Write command "System time" With this write command the FU will get the syst em 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 system time Addressed channel n Code Res[...]

ET9O – Write command "T 90 time" (response time) With 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 time (fast) Value for the adjustment of the t 9[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems ETOL – Write command "Stability tolerances" With this write command the analyzers in a system, the single analyzer or the front-end computer will get the r equired tolerances for functions running stability controlled. The tolerance will be specified in percent of t he end[...]

EVEZ – Write command "Delay and synchronization time" With this write command the analyzers in a system or the single analyzer will get the delay time and the synchronization ti me for the called channel (device). The delay time will be used for integrators started by "SINT" or for the delayed record of valid signals. The sync[...]

II) V24/RS232/485 I nt e rf ac e - Single Analyzers and Sy stems EZEI – Write command "Times" With this write command the FU will get the ti mes that have to be adjusted in the called channel (device) for the automat ic start of functions or procedures (e.g. "Automatic calibration"). Furthermore, the FU will get the function l[...]

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

Supplement 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 √ √ √ AEMB Actual range number √ √ √ AFD[...]

Code Function MLT local V3.2 MLT/CU V3.2 Other AM V3.2 ELKO Linearization polynomial coefficients √ √ √ 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 Tim[...]

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 analyz er modules. You only have to know the right node address (cf. S632). Syntax: ExactNode = Right network [...]

Supplement 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 LINYA2 = 44 LINYA3 = 54 ☞ The network v[...]

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: ASVC 0 IIIIIIII OOOOOOOO OOOOOOOO OOOOOOOO RLLL I1...8 Status of the digital input pins 1...8 O1...24 [...]

Supplement SSVC Kn S621 a Loading/Saving of device specific parameters Description: With this command you can load/save t he device specific parameters. This will be possible via the serial interface and from /to the in ternal FLASH memory (if on ACU available!). Syntax: a = 1: loading new configuration via the serial interface. 2: sending out the [...]

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 (arra y), it will be marked by an appendix in brackets. In these brackets you will find the numbers to access to the array values of the variable. Example:[...]

Supplement ASVC Kn S640 a Output of values of the MLT concentration formula Concentration formula: Conce = FacP * FacT * FacSpan * Lin{(Raw Avg - OffP - OffT - OffX) * RGain * Gain} Meaning of the variables: RawAvg: Raw value average (including t 90 time) OffP: Offset correction of physics OffT: Offset correction of temperature OffX: Offset correct[...]

NGA 2000 ML T AK Protocol Instruction Manual 90003752 1 1/2003 © Emerson Process Management GmbH & Co. OHG 2007 WORLD HEADQUARTERS ROSEMOUNT ANAL YTICAL EUROPE Emerson Process Management GmbH & Co. OHG Industriestrasse 1 63594 Hasselroth Germany T 49 6055 884 0 F 49 6055 884209 Emerson Process Management Rosemount Analytical Inc. 6565 P Da[...]