RemoDAQ-8024B User`s Manual
Contents
1. Output Code Data format Max Mix type 0 Engineer unit 20 000 00 000 30 Z ESR 100 00 000 00 20mA HEX FFF 0000 j Engineer unit 20 000 04 000 31 Jo FSR 100 00 000 00 20mA HEX FFF 0000 16 Engineer unit 10 000 00 000 32 10 V Z FSR 100 00 000 00 HEX FFF 0000 RemoDAQ 8024B module user manual 2 Command Set Command format Leading Address Command CHK cr Response format Leading Address Data CHK cr CHK 2 character checksum cr Command terminated character carriage return 0x0D Calculate Checksum 1 Calculate ASCII sum of all characters of command or response string except the character return cr 2 The sum should be between 00 FFH Example Command string 012 cr Sum of string 8 0 1 2 24h 30h 31h 32h B7h The checksum is B7h and CHK B7 Command string with checksum 012B7 cr Response string 01300600 cr Sum of string 0 1 3 0 0 6 0 0 21h 30h 31h 33h 30h 30h 36h 30h 30h 1ABh The checksum is AAh and CHK AB Response string with checksum 01300600AB cr 10 RemoDAQ 802 RemoDAQ 8024B module user manual 4B command set Command Name Description Set address baudrate AANNTTCCFF Configuration status and 1 0 mode AACn data Analog data out Direct output data to module HAASCn data Set startup data2. 10V Baudrate 9600bps Checksum Disable Data format engineering unit Output mode change immediately 1 6 Calibration RemoDAQ 8024B Voltage Output Calibration 1 Connect meter according to the voltage connect instruction 2 Adjust voltage range by R16 to make the output is 10V RemoDAQ 8024B Current Output Calibration Sequence Note that to calibrate voltage before current calibration 1 Connect meter and external power supply to the 7 RemoDAQ 8024B module user manual module s current output channel 0 OO gt mA Meter Warm up for 30 minutes Setting type to 30 0 20mA Output 20mA Check the meter and trim the output until 20mA matched Mi PR D by applying trim command 6 Perform 20mA calibration command Repeat step 1 6 for channel 1 2 and 3 1 7 Setting List Baudrate Setting CC Code 03 04 05 06 07 08 09 OA 120 240 480 11520 Baudrate ololo 9600 19200 38400 57600 0 Analog output type setting TT Code 30 31 32 Min OmA 4mA OV Max 20mA 20mA 10V RemoDAQ 8024B module user manual Data format setting CFF 7 6 5 4 3 2 1 0 0 2 3 1 Checksum bit 0 Disable 1 Enable 2 Slew rate control RemoDAQ 8021 24 3 00 Engineering unit format 01 Percentage format 10 2 s complement HEX format Analog output type and data format table RemoDAQ 8024B
3. Example Command 02EC2 07 7456 Response 02 Set address 02 channel 2 emergency stop data 07 7456 return success 2 5 Description Synchronous sample IDI Syntax cr delimiter character command for synchronous sample IDI Response No response 16 RemoDAQ 8024B module user manual 2 6 SAAOCn Description 4mA Calibration of Channel N Syntax AAOCn cr delimiter character AA address of the module that is to be calibrated 00 FF O 4mA calibration command Cn channel Example Command 020C2 Response 102 4mA calibration of channel 2 of the module at address 02 return success 2 7 AA1Cn Description 20mA Calibration of Channel N Syntax AA1Cn cr delimiter character AA address of the module that is to be calibrated 00 FF 1 20mA calibration command Cn channel Example Command 021C2 Response 02 20mA calibration of channel 2 of the module at address 02 return success 2 8 AA2 Description Read Configuration Status 17 RemoDAQ 8024B module user manual Syntax AA2 CHK cr delimiter character AA address of reading module 00 FF 2 the Configuration Status command Response AATTCCFF cr if the command is valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of module 00 FF TT represents the type code CC represents the baud rate code FF da
4. Example Command 020C2 Response 0206 Read channel 2 of the module at address 01 module 20mA calibration parameter and return 06 2 25 AAPCn Description Clear Channel N 4mA Calibration Parameter Syntax AAPCn cr 29 RemoDAQ 8024B module user manual Response AA cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF 2 26 SAAOCn Description Clear Channel N 20mA Calibration Parameter Syntax AANCn cr Response AA cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF 2 27 AAXnnnn Description Watchdog Timer Setting command Syntax AAXnnnn cr delimiter character AA address of the module that is to be setted 00 FF X the watchdog timer setting command nnnn watchdog timer value 0000 9999 30 RemoDAQ 8024B module user manual Response AA cr if the command was valid AA cr if an invalid operation was entered Example Command 02X1234 Response 02 The command sets the WDT cycle as 1234 in the input module at address 02 2 28 AAY Description Read Watchdog Timer Setting command Syntax AAY cr delimiter character AA address of reading module 00 FF Y the read watchdo
5. may get no response command is valid command is invalid AA address of the module 00 FF data current trim data 21 RemoDAQ 8024B module user manual Example Command 02H Response 0208 Read address 02 module current trim data and return 8 Relative command AA3Cn m 2 22 SAAI Description Read IDI Data Syntax AAI cr Response AAX cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF X IDI data 2 23 AANCn Description Read Channel N 4mA Calibration Parameter Syntax AANCn cr Response AA data cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid 28 RemoDAQ 8024B module user manual AA address of the module 00 FF data calibration parameter Example Command 02NC2 Response 0206 Read channel 2 of the module at address 02 module 4mA calibration parameter and return 6 2 24 A4AOCn Description Read Channel N 20mA Calibration Parameter Syntax AANCn cr Response AA data cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF data calibration parameter
6. Set data as CHn startup data AAECn data Set data as CHn emergency Set emergency stop stop data Hck N A Synchronous sample IDI Tells the module to store AAOCn AmA calibration re parameter for 4mA calibration Tells the module to store AA1Cn 20mA calibration As parameter for 20mA calibration Return th fi ti AA2 Configuration status SR OE parameters for the module Set offset value at AA3Cn m Set offset value calibration status SAM Readback the data of Read back the IDI input by synchronous sample synchronous Checks if module has been AA5 Reset status reset since the last AA5 command Return either last value sent to AA6Cn Last value readback the module by AA command RemoDAQ 8024B module user manual AA7CnRrr Set output type Set channel N output type SABC Read channel Return the output n value value of channel n Ret the fi a Si AAF Read firmware version ee a REA code Enable disable CHn EMS flag AAACnZ EMS flag setting S Z 1 enable Z 0 disable AABCn Read EMS flag Read CHn EMS flag AADCn Read startup data Read back CHn startup data Read back CHn emergenc AAECn Read emergency stop Ea stop data Reset current trim data variable AAG Reset current trim to O AAH Read current trim Read current trim data variable AAI Read IDI Read IDI AANC Read 4mA calibration Read back CHn 4mA n parameter calibration parameter AAOC Read 20mA Read b
7. V1 1 2009 02 11 RemoDA Q 8024B User s Manual SEMOTECH Beijing Gemotech Intelligent Technology Co Ltd RemoDAQ 8024B module user manual 1 GENERAL INTRODUCTION 3 1 1 PIN ASSIGNMENT ses 4 1 2EEATURES a secs ra e A allah 5 1 3 BLOCK DIAGRAM ee ee ee ee ee ee ee ee ee ee 6 1 4 WIRE CONNECTION esse 6 1 5 DEFAULT SETTING see 7 1 6 CALIBRATION esse T LT SETTING LAS Tess casaca sets cd TS aS 8 2 COMMAND SET ee ee ee 10 2 1 PAANNTTCCHF esse ee ee ee ee ee ee ee 13 22 AACN DATA ies ene EE Ee ees Gegee 14 2 SHAASCN DATA seas ste oer nn EER SR Ee EG quad 15 2 4 HAAECN DATA siens 15 DD ER EE EK Eee a cer tre te ire A IA Re 16 D OSANAOCN SES RES EE EE a Re EE A ates 17 2 7 VAATIEN RE ED eu E he ges id 17 ST EE MEI EN EDE ON id 17 2 9 AA3CN M meer 18 DAO SANA SERE una EE RS A en A 20 DAVES ANG eee AE OG ER na as 21 DAD SAAGEN Ee ee se de See oe de hs aa i 21 2 13 SAATCNRRR ee ee ee ee ee ee ee ee de 22 DIASAASEN EE ne SE RN Ri sk ie 23 DASSAME EE EE EE EE 23 DIGSAAACNZ n Re ere ss ee ee Ee da 24 DAT SAA BON SE ER Secs ee na Ge ee eg ee 25 2 18 SAADEN ES SS SEE ta ie assi ee awh 25 RemoDAQ 8024B module user manual DOHA AEGON ESS EE de a di Le re ee 26 DIDO SANG SR deu RE BREER ED Sak 27 DITS AA RR AR RN N EE Et Ge ES 27 DID AA EA EI EE N 28 2 238AANCN crsns cernes ee ee ee ee 28 2ASAAOEN LESER GE SR EE a EG ne 29 225 SAA PEN at REEDE EE Ge Ee senil ER GER ee toes 29 2 26 SAAOCN ese ee ees ee ee ee
8. ack CHn 20mA n calibration parameter Calibration parameter AAPC Clear 4mA calibration Clear CHn 4mA calibration n parameter parameter EEPROM AAQC Clear 4mA calibration Clear CHn 20mA calibration n parameter parameter EEPROM AAX Watchdog timer Set communication WDT cycle nnnn setting time 0000 9999 12 RemoDAQ 8024B module user manual Read the cycle time setting of AAY Read watchdog setting communication WDT 2 1 AANNTTCCFF Description Configuration Syntax AANNTTCCFF cr delimiter character AA address of setting module 00 FF NN New address 00 FF TT New type CC New baudrate FF New data format Response AA cr if the command was valid AA cr if an invalid operation was entered If the INIT terminal was not grounded when attempting to change baud rate or checksum settings Syntax error or communication error may get no response command is valid command is invalid AA address of setting module 00 FF Example Command 0102320600 cr Response 02 cr 13 RemoDAQ 8024B module user manual Change address from 01 to 02 return success Relative command AA2 2 2 AACn data Description Analog Data Out of Channel N Syntax AACn data cr delimiter character AA address of reading module 00 FF Cn channel data analog data out value Response valid command AA CHK cr invalid command AA CHK cr Syntax error or communication error may get no
9. are Example Command 01F Receive 0120051201 Read address 01 firmware version return version 20051201 Command 02F Receive 0120040101 Read address 02 firmware version return version 20040101 2 16 SAAACnZ Description Set Channel N EMS Flag Syntax AAACnZ cr delimiter character AA address of setting module 00 FF A set channel N EMS flag command Cn the specified channel you want to set Z EMS flag 1 Enable 0 Disable Response AA cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF 24 RemoDAQ 8024B module user manual Example Command 02AC21 Response 02 Set address 02 and channel 2 of the module EMS flag as 1 and return success 2 17 AABCn Description Read Channel N EMS Flag Syntax AABCn cr delimiter character AA address of reading module 00 FF B read channel N EMS flag command Cn the specified channel you want to set Response AA data if the command is valid data EMS flag 2AA if the command is invalid Example Command 02BC2 Response 021 Read address 02 and channel 2 of the module EMS flag return Eable 2 18 AADCn Description Read Channel N Startup Data Syntax AABCn cr delimiter character AA address of reading module 00 FF D read channel N startup data command 25 RemoDAQ 8024B module user ma
10. blems or the PC crash When the main watchdog overflows the module will output the safe valve This can make sure the control object can t occur accident The dual watchdog function of RemoDAQ 8000 series modules will insure the system more reliability and safety 33
11. cation error may get no response command is valid command is invalid AA address of response module 00 FF status 1 data has been transmitted in the synchronized sampling first time 0 data in front of previous sampling is transmitted data synchronous sample data AA cr means the command is invalid Example Command 074 cr Response gt 071 5 8222 Read address 01 module sample data return 5 8222 and Status 1 means the data was transmitted synchronized 20 RemoDAQ 8024B module user manual 2 11 AA5 Description Reset Status command Syntax AAS cr is a delimiter character AA address of reading module 00 FF 5 is the Reset Status command Response AAS cr if the command is valid AA cr if an invalid command was issued Syntax error or communication error may get no response command is valid command is invalid AA address of response module 00 FF S reset status 1 the module has been reset O the module has not been reset Example Command 395 Response 390 Read the module at address 39H and return 0 It means the module hasn t reset after executing previous command 2 12 AA6Cn Description Readback CHn Last Output Value 21 RemoDAQ 8024B module user manual Syntax AA6Cn cr delimiter character AA address of reading module 00 FF 6 the last value readback command Cn channel Response AA data if the command valid data channel output value AA if co
12. ee ee oe ee ee 30 2 27 SAAXNNNN suceuse ee ee ee ee ee ee ee de 30 RA AS VEE OE EE EE as 31 3 APPLICATION NOTES 32 3 1 INIT PIN OPERATION eee 32 3 2 DUAL WATCHDOG OPERATION esse ee 32 RemoDAQ 8024B module user manual 1 General Introduction The RemoDAQ 8000 series are data acquisition and control modules based RS 485 network They provide analog input analog output digital input output timer counter collection AC wireless communication and other functions These modules can be remote controlled by command The RemoDAQ 8024B is 4 channel analog output module RemoDAQ 8024B module user manual 1 1 Pin Assignment COLLE VEM DRA PANA DA END RemoDAQ 8024B module user manual 1 2 Features RemoDAQ 8024B is 4 channel analog output module Resolution 12 Bits Input type V mA Range V 10V mA 20 mA 4 20 mA Accuracy 0 1 FSR current output 0 2 FSR voltage output zero drift voltage output 30 u V C current output 0 2 u A C Temperature drift 25ppm C Isolated logic input Channel 4 Level 0 1V max Level 1 10 30Vdc Over voltage protection 35V Power Consumption 1W 24VDC RemoDAQ 8024B module user manual 1 3 Block Diagram VoutO IoutO Vout3 Tout3 AGND 1 4 Wire Connection RemoDAQ 8024B Voltage Output Wire Connection RemoDAQ 8024B module user manual Voltage current Output Wire Connection 1 5 Default Setting Address 01 Analog output type 0
13. g timer setting command Response AAnnnn cr if the command was valid AA cr ifan invalid operation was entered Example Command 02Y Response 020030 Read the WDT in the module at address 01 and return 0030 31 RemoDAQ 8024B module user manual 3 Application Notes 3 1 INIT pin operation Every RemoDAQ 8000 module has an EEPROM inside use to save the configuration information of the module such as address baudrate message type and other parameters Sometimes user may forget to configure the module So RemoDAQ 8000 series have a special mode INIT mode which can help user to solve this problem Under INIT mode the module is forced to set as Address 00 baudrate 9600 no checksum If you want to enable INIT mode only need to do as follows 1 Connect the INIT pin to GND Set command 002 cr at 9600bps then it will read module configuration information from EEPROM 3 2 Dual Watchdog Operation Dual watchdog module watchdog main watchdog The module watchdog is the hardware restoration circuitry of module When work at atrocious or serious 32 RemoDAQ 8024B module user manual interfere environment this hardware circuitry will make the module restore on time when the module suffer interfere This make the module can t crash forever and advanced the reliability The main watchdog is the watchdog implement by software in the module It mainly uses to prevent the net communication happen pro
14. mmand is invalid Example Command 026C2 Response 02 07 456 2 13 AA7CnRrr Description Set Channel N Output Type Syntax AA7CnRrr cr delimiter character AA address of setting module 00 FF 7 the set channel N output type command Cn the specified output channel you want to configure Rrr represents the type and range you want to set Response AA cr if the command was valid AA cr ifan invalid operation was entered Example Command 027C5R32 cr Response 02 The command configures the range of channel 5 in the module at address 01 as 10V 22 RemoDAQ 8024B module user manual 2 14 AA8Cn Name Read Channel N Range Configuration command Syntax AA8Cn cr delimiter character AA address of reading module 00 FF 8 read single channel range configuration command Cn the specified channel you want to read Response AARrr cr if the command was valid AA cr ifan invalid operation was entered Relative command AA7CiRrr 2 15 AAF Description Read Firmware Version Syntax AAF cr delimiter character AA address of reading module 00 FF F identifies the version command Response AA data cr if the command is valid AA cr if an invalid command was issued Syntax error or communication error may get no response command is valid command is invalid AA address of response module 00 FF 23 RemoDAQ 8024B module user manual Data is the version code of the module s firmw
15. nual Cn the specified channel you want to set Response AA data valid command data startup data AA invalid command Example Command 02DC2 07 7456 Response 02 07 7456 Read address 02 and channel 2 of the module startup data return 07 7456 Relative command AASCn data 2 19 AAECn Description Read Channel N Emergency Stop Data Syntax AAECn cr delimiter character AA address of reading module 00 FF E read channel N emergency stop data command Cn the specified channel you want to set Response AA data cr if the command was valid AA cr ifan invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF data emergency stop data Example Command 02SC2 07 7456 26 RemoDAQ 8024B module user manual Response 02 07 7456 Read address 02 and channel 2 of the module emergency stop data and return 07 7456 2 20 AAG Description Set Current Trim Data Variable To 0 Syntax AAG cr Response AA cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF 2 21 AAH Description Read Current Trim Data Syntax AAH cr Response AA data cr if the command was valid 2AA cr if an invalid operation was entered Syntax error or communication error
16. response Delimiter character of valid command Delimiter character of invalid command AA Module address 00 FF Example Command 02C2 07 7456 Response 02 It means the module which address is 02 outputs to channel 2 with 07 7456 Command 02C2 06 7456 Response 02 It means the module which address is 02 outputs to channel 14 RemoDAQ 8024B module user manual 2 with 06 7456 2 3 AASCn data Description Set startup data Syntax AASCn data cr delimiter character AA address of setting module 00 FF S the set startup data command Cn channel data analog data out value Response AA cr if the command was valid AA cr if an invalid operation was entered Syntax error or communication error may get no response command is valid command is invalid AA address of response module 00 FF Example Command 02SC2 07 7456 Response 02 It means the module which address is 02 outputs to channel 2 with startup value 07 7456 2 4 AAECn data Description Set data as CHn emergency stop data 15 RemoDAQ 8024B module user manual Syntax AAECn data cr delimiter character AA address of setting module 00 FF E the set startup data command Cn channel data emergency stop data Response valid command AA CHK cr invalid command AA CHK cr Syntax error or communication error may get no response command is valid command is invalid AA address of response module 00 FF
17. ta format Example Command 012 Response 01080600 Read address 01 configuration return success Command 022 Response 020A0602 Read address 02 configuration return success Relative command AANNTTCCFF 2 9 AA3Cn m Description Set offset value at calibration status Syntax AA3Cn m 18 RemoDAQ 8024B module user manual delimiter character AA address of the module that is to be calibrated 00 FF 3 the trim calibration command Cn channel m trim value 0 127 m 80 89 denote negative value m 00 09 denote positive value Response valid command VAATTCCEELCHK cr invalid command AA CHK cr Syntax error or communication error may get no response command is valid command is invalid AA address of the module 00 FF TT input signal type code of the module CC baudrate code of the module FF data format of the module Example Command 023C108 Return 02 Set channel 1 of the module at address 02 trim value 08 return success Command 023C191 Response 02 Set channel 1 of the module at address 02 trim value 1 return success 19 RemoDAQ 8024B module user manual 2 10 AA4 Description Read back the synchronous sample data Syntax AA4 cr delimiter character AA address of reading module 00 FF 4 the read back the synchronous sample data command Response AA status data cr if the command was valid AA cr if an invalid operation was entered Syntax error or communi
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