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tm-ad4p2c2 user manual

1. Note The recommended wire to connect to the earth ground is 16 14 AWG wire tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 23 1 12 Technical Support Should you encounter problems while using the tM series module and are unable to find the help you need in this manual or on our website please contact ICP DAS Product Support Email service icpdas com Website http www icpdas com tw contact_us contact_us html When requesting technical support be prepared to provide the following information about your system 1 Module name and serial number The serial number can be found printed on the barcode label attached to the cover of the module 2 Firmware version See Section 2 13 3 3 7 and 3 4 for information regarding the command used to identify the firmware version 3 Host configuration type and operating system 4 If the problem is reproducible please give full details describing the procedure used to reproduce the problem 5 Specific error messages displayed If a dialog box with an error message is displayed please include the full text of the dialog box including the text in the title bar 6 If the problem involves other programs or hardware devices please describe the details of the problem in full 7 Any comments and suggestions related to the problem are welcome ICP DAS will reply to your request by email within three business days 24 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 2 DCON P
2. tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 63 tM AD4P2C2 Examples Command 01CHC1 Response 01 Clears the high latched alarm of channel 1 of module 01 and the module returns a valid response Related Commands Section 2 19 AACLCi Section 2 20 AADACi Section 2 23 AAEATCi Section 2 24 AAHI data Ci Section 2 25 AALO data Ci Section 2 27 AARAO 64 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 19 AACLCi Description Clears the low latched alarm of a channel Syntax AACLCi CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF CL Command to clear the low latched alarm Ci i represents which channel should have the low latched alarm cleared Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 65 tM AD4P2C2 Examples Command 01CLC1 Response 01 Clears the low latched alarm of channel 1 of module 01 and the module returns a valid response Related Commands Section 2 18 AACHCi Section 2 20 AADACi Section 2 23 AAEATCi Section 2 24 AAHI data Ci Section 2 25 AALO data
3. 01 Function code 1 Byte Ox84 02 Exception code l Byte 02 starting channel out of range 03 starting channel number of input channels out of range incorrect number of bytes received 112 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 3 3 70 0x46 Read Write Module Settings This function code is used to read the settings of the module or change the settings of the module The following sub function codes are supported Sub function Code Description Section 00 0x00 Read the module name 3 3 1 04 0x04 Set the module address 3 3 2 05 0x05 Read the communication settings 3 3 3 06 0x06 Set the communication settings 3 3 4 07 0x07 Read the type code 3 3 5 08 0x08 Set the type code 3 3 6 32 0x20 Read the firmware version 3 3 7 37 0x25 Read the channel enable disable 3 3 8 status 38 0x26 Set the channel enable disable 3 3 9 41 0x29 Read the miscellaneous settings 3 3 10 42 Ox2A Write the miscellaneous settings 3 3 11 If the module does not support the sub function code specified in the message then it responds as follows Error Response 00 Address 1 Byte 1 to 247 01 Functioncode 1 Byte OxC6 02 Exceptioncode 1 Byte 02 invalid sub function code tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 113 tM AD4P2C2 3 3 1 Sub function 00 0x00 Read module name This sub function
4. 84 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 2 29 AARHCi Description Reads the high alarm limit of a channel Syntax AARHCi CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF RH Command to read the high alarm limit Ci i represents from which channel the high alarm limit should be read Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF data High alarm limit in engineering data format tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 85 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 01RHCO Response 01 09 000 Reads the high alarm limit of channel 0 of module 01 The module responds that the high alarm limit is 9 0 Command 01RHC1 Response 01 01 000 Reads the high alarm limit of channel 1 of module 01 The module responds that the high alarm limit is 1 0 Related Commands Section 2 18 AACHC1 Section 2 19 AACLC1 Section 2 20 AADACi Section 2 23 AAEATCi Section 2 24 AAHI data Ci Section 2 25 AALO data Ci Section 2 30 AARLC1 86 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 30 AARLCi Description Reads the low
5. 00 to FF PP Two hexadecimal digits to represent the power on DO value SS Two hexadecimal digits to represent the safe DO value There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address 102 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 Examples Command 014 Response 010000 Reads the power on DO value and the safe DO value of module 01 and returns 0000 Related Commands Section 2 39 AASPPSS Related Topics Section A 2 Dual Watchdog Operation Notes Both the power on value and the safe value have no effect on the DO ports that are associated with alarm outputs tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 103 tM AD4P2C2 2 39 AA5PPSS Description Sets the power on DO and safe DO values of a module Syntax AA5PPSS CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 5 Command to set the power on and safe DO values PP Two hexadecimal digits to represent the power on DO value SS Two hexadecimal digits to represent the safe DO value Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with th
6. 01200600 CR 1 2 3 Sum of the string Pe 2000600 21h 30h 31h 32h 30h 30h 36h 30h 30h 1AAh Therefore the checksum is AAh and so CHKSUM AA The response string with the checksum 01200600AA CR Note All characters should be in upper case 26 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 General and Analog Input Command Sets AANNTTCCFEF HAA Set Module Configuration Reads the Analog Inputs of All Channels AAN pata Reads the Analog Input of the Specified C Performs a SAIC AA V Cale J amp N W Nn fF vs Fw gt N Je V Cae J S amp N n 2 6 N N hannel Span Calibration AAI Zero Calibration Single Channel Span AA2 AANNTTCCFF Reads the Channel Enable Disable gt gt lt lt a EN o f Sets the Single Channel Range pa CIR a Configuration oe gt gt Q z Reads the Single Channel Range Reads the Analog Inputs of All TAAR saad Channels in Hex Format AA AA AA AA AA AA AAF AA Data Reads the Firmware Version 2 13 AA Data AA AA AA AAVV AA V AE o seb fes N N AAM a AAEV Enables Disables the Calibration 2 31 gt gt n Q AAO Name Sets the Module Name 2 32 AARD Reads the response delay time 2 40 AARDVV Sets the response delay time 2 41 Sets the DO status Reads the Digital Input Counter tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 27
7. Address Description Attribute 40489 Host watchdog timeout value 0 255 R W in 0 1s 40490 Channel enable disable 00h OFh R W 40492 Host watchdog timeout count write 0 R W to clear 00033 Digital input value of channel O to 1 R 00034 10033 10034 00065 High latched value of DI R 00066 10065 10066 00073 High latched value of DO R 00074 10073 10074 00097 Low latched value of DI R 00098 10097 10098 00105 Low latched value of DO R 00106 10105 10106 00225 Over under range status of analog R 00228 input channel 0 to 3 for 4 20mA or 0 10225 20mA ranges 10228 00001 Digital output value of channel O to 1 R W 00002 00129 Safe value of digital output channel Otol R W 00130 00161 Power on value of digital output channel 0 R W 00162 tol tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 127 Address Description Attribute 00193 Counter update trigger edge of digital R W 00194 input channel 0 to 1 00257 Protocol 0 DCON 1 Modbus RTU R W 00258 Protocol 0 determined by 00257 1 R W Modbus ASCII 00260 Modbus host watchdog mode R W 0 same as I 7000 1 can use AO and DO command to clear host watchdog timeout status 00261 1 enable 0 disable host watchdog R W 00264 Write 1 to clear latched DIO states W 00265 IDI active state R W 00266 IDO active state R W 00269 Modbus data format
8. Command Response Section 2 18 2 19 2 20 IAA nables the alarm 2 23 AAHI data Ci IAA ets the high alarm limit 2 24 AALO data Ci IAA ets the low alarm limit 2 25 A AACLCi gt gt ial ead fed od Ea za a es E E eads the alarm setting 2 26 AAHHLL Reads the high low alarm status 2 27 AA data Reads the high alarm limit 2 29 AA data Reads the low alarm limit 2 30 Command Section 2 33 AAO 2 34 AAI 2 35 AAD AAETT Reads the Host Watchdog 7 36 Timeout Settings Sets the Host Watchdog Timeout AARAO AARHCi AACHCGi AADACi AAEATCi AARAGi AARAO AARICI gt n wa 2 37 2 38 Sets the power on value and safe value 2 39 28 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 2 1 AANNTTCCFF Description Sets the configuration of an analog input module Syntax AANNTTCCFF CHKSUM CR o AA NN TT CC FF Delimiter character Address of the module to be configured in hexadecimal format 00 to FF New address of the module in hexadecimal format 00 to FF New type code see Section 1 10 for details Not used by the tM AD4P2C2 For the tM AD4P2C2 use the AA7CiRrr command to set the type of each channel see Section 2 10 for details New Baud Rate code see Section 1 10 for details To change the Baud Rate the right slide switch must be set to the INIT position See Section A 1 for details Used to set the data format checksum and mode s
9. 0 hex 1 R W engineering 00270 Host watch dog timeout status write 1 R W to clear host watch dog timeout status 00271 1 enable 0 disable fast mode R W 00273 Reset status 1 first read after R powered on 0 not the first read after powered on 00289 Low alarm status of channel 0 to 1 R W 00290 Write 1 to clear low latched alarm of channel 0 to 1 00305 High alarm status of channel Oto 1 R W 00306 Write 1 to clear high latched alarm of channel 0 to 1 00321 Enable disable alarm of channel 0 to 1 R W 00322 00337 Alarm type momentary or latched of R W 00338 channel 0 to 1 00513 Write 1 to clear counter value of W 00514 digital input channel 0 to 1 128 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 3 5 Engineering Data Format Table Type Code Input Type Min Max 05 2 5 V 42 5 V 25000 25000 06 20 mA 20 mA 20000 20000 07 4 mA 20 mA 4000 20000 08 10V 10 V 10000 10000 09 5V 5V 5000 5000 0A 1V 1V 10000 10000 OD 20 mA 20 mA 20000 20000 1A 0 20 mA 0 20000 The under range value is 32768 and the over range value is 32767 For the hex data format please refer to Section 1 10 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 129 4 Troubleshooting If you are having difficulty using the tM module here are some suggestions that may help If you cannot find the answers you need in these guides conta
10. 000 20 000 0D Do of FSR 100 00 100 00 2 s comp HEX 7FFF 8000 0 to 20 Engineering unit 20 000 00 000 1A TA of FSR 100 00 000 00 2 s comp HEX FFFF 0000 1 only available with the channel 0 and 1 2 requires optional external 125 ohm resistor for channel 0 and 1 20 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 4 20 mA and 0 20 mA under range reading with DCON protocol Under Range Engineering Unit 9999 9 of FSR 999 99 2 s Complement HEX 8000 4 20 mA and 0 20 mA under range reading with Modbus protocol Under Range 8000h tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 21 1 11 Mounting 1 11 1 DIN Rail Mounting There are three new DIN rail models available Each are made of stainless steel which is stronger than those made of aluminum There is a screw at one end and a ring terminal is included so that it can be easily connected to the earth ground The three new DIN rail models are as follows Part number Max number of modules Dimensions DRS 360 5 360mm x 35mm to earth ground Part number Max number of modules Dimensions 22 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 DRS 240 3 240mm x 35mm to earth ground Part number Max number of modules Dimensions DRS 125 2 125mm x 35mm to earth ground
11. 08 0x08 Set type code eee eeeeeees 3 3 7 Sub function 32 0x20 Read firmware version 3 3 8 Sub function 37 0x25 Read channel enabled disabled 3 3 9 Sub function 38 0x26 Set channel enable disable 3 3 10 Sub function 41 0x29 Read miscellaneous settings 3 3 11 Sub function 42 Ox2A Write miscellaneous settings 3 4 Address Map Pi OS sn torscedtcnsiuttovevensasancibatoncatsesebssehdncwatntreweenns 3 5 Engineering Data Format Table 0 eccccceesseceeeseeeeeeneeeeeees AT FOUDIG SHOOUME seth saci eset data oE EE EIE aE E E EERE 4 1 Communicating with the module eeesceesseceeeereeeeenees 4 2 R adins Daal senna ds Sone cvane na rei E E E ASAPpendiX on Ce er nner e AEn E ea E as eee PROV TINGED A Toa e e E EE A 2 Dual Watchdog Operation sseesseeeesseesssseessesssssresseresssersseee A 3 Frame Ground sssseseeeseesssessssesereesrssssssesreerersssssseseeereessssssene aDa2a220202020 0 we Ye ye eye we wv n tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 100 102 104 106 10
12. 1 Byte Ox2A 03 Miscellaneous 1 Byte 0 OK settings others error Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 reserved bits should be filled with zero incorrect number of bytes received tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 125 3 4 Address Mappings tM AD4P2C2 Address Mappings Address Description Attribute 30001 Analog input value of channel O to 3 R 30004 40001 40004 30129 Counter value of digital input channel R 30130 Otol 40129 40130 40257 Analog input type code of channel 0 to R W 40260 33 40225 High alarm limit of channel 0 to 1 R W 40226 40233 Low alarm limit of channel 0 to 1 R W 40234 40481 Firmware version low word R 40482 Firmware version high word R 40483 Module name low word 0x4001 R 40484 Module name high word 0x0722 R 40485 Module address valid range 1 247 R W 40486 Bits 5 0 R W Baud rate 0x03 OxOA Code 0x03 0x04 0x05 0x06 Baud 1200 2400 4800 9600 Code 0x07 0x08 0x09 Ox0A Baud 19200 38400 57600 115200 Bits 7 6 00 no parity 1 stop bit 01 no parity 2 stop bits 10 even parity 1 stop bit 11 odd parity 1 stop bit 40488 Modbus response delay time in ms R W valid range 0 30 126 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10
13. 41 0x29 Read miscellaneous settings This sub function code is used to read the miscellaneous settings of a module Request 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x29 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x29 03 Miscellaneous 1 Byte Bit 7 6 reserved settings Bit 5 mode setting 0 normal mode 1 fast mode Bit 4 2 reserved Bit 1 DO active state Bit 0 DI active state Note The reserved fields are filled with zeros Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 incorrect number of bytes received 124 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 3 3 11 Sub function 42 0x2A Write miscellaneous settings This sub function code is used to set the miscellaneous settings of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte Ox2A 03 Miscellaneous 1 Byte Bit 7 6 reserved settings Bit 5 mode setting 0 normal mode 1 fast mode Bit 4 2 reserved Bit 1 DO active state Bit 0 DI active state Note The reserved fields are filled with zeros Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code
14. ABE T THAR Max Count 65535 16 bit p j Min Plus Width 70 Voc Isolated Open Collector Sink 700 mA Channel 3 5 50 Voc iil Max Load Current 1 4 A with short circuit protection Short Grcuit Protection Power on Value Safe Value lt Hi Yes Programmable Yes Programmable Note A warm up period of 30 minutes is recommended in order to achieve the complete performance results described in the specifications tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 9 1 4 Block Diagrams 1 4 1 Block diagram for the tU AD4P2C2 EEPROM DO PWR V A dat r Embedded U Controller i rn DI 2 Int WA DATA n A nol DIO Vs lin3 Power 5 V Isolation GND Regulator yi Frame Ground 1 10 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 1 5 Dimensions Bottom View Back View tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 Right Side View 11 1 6 Wiring Diagrams 1 6 1 Wiring diagram for the tM AD4P2C2 Q S Vinx DE Do enpacnp 125 Q Requires Optional External 125 Q Resistor Source Diam To other To other DO PWR DI COM channels j channels 12 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 Outniit Tine ON State OFF State P yP Readback as 1 Readback as 0 Relay ON Relay OFF Dave Relay 1S DO PWR DI COM gt DO PWR DI COM DOx DOx gt DO GND
15. AGND gt DO GND AGND DO PWR DI COM gt DO PWR DI COM Resistance Load DOx s 3 DOx DO GND AGND DO GND AGND 1 6 2 Wiring Recommendations Use 26 12 AWG wire for signal connections Strip the wire to a length of 70 5mm Use acrimp terminal for wiring Avoid high voltage cables and power equipment as much as possible For RS 485 communication use insulated and twisted pair 24 AWG wire e g Belden 9841 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 13 1 7 Quick Start Please refer to the Quick Start for tM AD4P2C2 14 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 1 8 Default Settings Default settings for the tM AD4P2C2 are as follows o Protocol Modbus RTU o Module Address 01 Voltage Input Type type code 08 10V to 10V e Current Input Type type code OD 20mA to 20mA o Baud Rate 9600 bps tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 15 1 9 Calibration Warning It is not recommended that calibration be performed until the process is fully understood The calibration procedure is as follows L 2 T 8 Warm up the module for 30 minutes Set the type code to the type you want to calibrate Refer to Sections 2 10 for details 3 Enable calibration Refer to Section 2 31 for details 4 Apply the zero calibration voltage current Send the zero calibration command Refer to Sections 2 5 for
16. Al 0 7MH 020 A10 33 tM AD4P2C2 2 3 HAAN Description Reads the analog input of channel N Syntax AAN CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF N The channel to be read zero based Response Valid Response gt Data CHKSUM CR Invalid Response 2 AA CHKSUM CR gt Delimiter character for a valid response Delimiter character for an invalid response An invalid command is returned if the specified channel is incorrect Data Analog input data of the specified channel see Section 1 10 for details of the data format AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 34 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 032 Response gt 025 13 Reads data from channel 2 of module 03 Command 029 Response 02 Reads data from channel 9 of module 02 An error is returned because channel 9 is invalid Related Commands Section 2 1 7 AANNTTCCFF Section 2 7 AA2 Related Topics Section 1 10 Configuration Tables tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 35 tM AD4P2C2 2 4 AA0 Description Performs a span calibration Syntax AA0 CHKSUM CR Delimiter character AA Address of the module to be calibrated 00 to FF 0 Command for the span calibration Response Va
17. Ci Section 2 27 AARAO 66 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 20 AADACi Description Disables the alarm of a channel Syntax AADACi CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF DA Command to disable the alarm Ci 1 represents which channel should have the alarm disabled Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 67 tM AD4P2C2 Examples Command 01DAC1 Response 01 Disables the high alarm of channel 1 of module 01 and the module returns a valid response Related Commands Section 2 18 AACHC1 Section 2 19 AACLCi Section 2 23 AAEATCi Section 2 24 AAHI data Ci Section 2 25 AALO data Ci Section 2 27 AARAO 68 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 21 AADI Description Reads the status of the digital input and output ports Syntax AADI CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF DI Command to read the digital input and output ports Response Valid command AAQOOTI CHKSUM CR Invali
18. Command to enable disable calibration V 1 enable calibration 0 disable calibration Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 89 tM AD4P2C2 Examples Command 010 Response 01 Sends the command to perform a span calibration on module 01 It returns an invalid response because the enable calibration command was not sent in advance Command O1E1 Response 01 Enables calibration on module 01 and returns a valid response Command 010 Response 01 Sends the command to perform a span calibration on module 01 and returns a valid response Related Commands Section 2 4 AAO0 Section 2 5 AA1 Section 2 6 AA0Ci Related Topics Section 1 9 Calibration 90 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 32 AAO Name Description Sets the name of a module Syntax AAO Name CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF O Command to set the module name Name New name of the module max 6 characters Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimi
19. Response Valid Response AASC CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF S The protocols supported by the module 0 only DCON protocol is supported 1 both the DCON and Modbus RTU protocols are supported 3 all of the DCON and Modbus RTU ASCII protocols are supported C Current protocol saved in EEPROM that will be used at the next power on reset 0 the protocol set in EEPROM is DCON 1 the protocol set in EEPROM is Modbus RTU 3 the protocol set in the EEPROM is Modbus ASCII tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 57 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 01P Response 0110 Reads the communication protocol of module 01 and returns a response of 10 meaning that it supports both the DCON and Modbus RTU protocols and the protocol that will be used at the next power on reset is DCON Related Commands Section 2 16 AAPN 58 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 16 AAPN Description Sets the communication protocol Syntax S AAPN CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF P Command to set the communication protocol N 0 DCON protocol 1 Modbus RTU protocol 3 Modbus ASCI
20. Response 01 Sets the high alarm limit of channel 0 of module 01 The alarm limit is 9 0 Command 01HI 01 000C1 Response 01 Sets the high alarm limit of channel 1 of module 01 The alarm limit is 1 0 Related Commands Section 2 18 AACHC1 Section 2 19 AACLC1 Section 2 20 AADACi Section 2 23 AAEATCi Section 2 25 AALO data Ci 76 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 25 AALO data Ci Description Sets the low alarm limit of a channel Syntax AALO data Ci CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF LO Command to set the low alarm limit data Low alarm limit in engineering data format Ci 1 represents which channel is to be checked for the low alarm Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 77 tM AD4P2C2 Examples Command 01LO 05 000CO0 Response 01 Sets the low alarm limit of channel 0 of module 01 The alarm limit is 5 0 Command 01L0 01 000C1 Response 01 Sets the low alarm limit of channel 1 of module 01 The alarm limit is 1 0 Related Command
21. are only used in channel 0 and 1 2 Types 06 07 OD and 1A can be used in channel 0 and 1 18 with optional external 125 ohm resistor tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 Data Format Setting FF 7 6 5 4 3 2 RS CS MS RS DF Key Description DF Data format 00 Engineering unit 01 of FSR full scale range 10 2 s complement hexadecimal MS Mode setting 0 Normal mode 14 bits 1 Fast mode 12 bits CS Checksum setting 0 Disabled 1 Enabled RS Reserved Note The reserved bits should be zero tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 19 Analog Input Type and Data Format Table Type code Input Type Data Format F S F S Engineering unit 2 5000 2 5000 05 o E ta of FSR 100 00 100 00 2 s comp HEX TFFF 8000 Engineering unit 20 000 20 000 06 arcs of FSR 100 00 100 00 2 s comp HEX TFFF 8000 Engineering unit 20 000 04 000 07 i hie of FSR 100 00 000 00 2 s comp HEX FFFF 0000 Engineering unit 10 000 10 000 08 sr co of FSR 100 00 100 00 2 s comp HEX 7FFF 8000 Boone Engineering unit 5 0000 5 0000 09 v of FSR 100 00 100 00 2 s comp HEX TFFF 8000 Ten Engineering unit 1 0000 1 0000 0A v of FSR 100 00 100 00 2 s comp HEX 7FEF 8000 Engineering unit 20
22. code is used to read the name of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 03 06 Module name 4 Bytes 0x07 0x22 0x40 0x01 Error Response 00 Address 1 Byte 1 to 247 0l Function code 1 Byte OxC6 02 Exception code l Byte 03 incorrect number of bytes received 114 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 3 3 2 Sub function 04 0x04 Set module address This sub function code is used to set the address of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 New address 1 Byte 1 to 247 04 06 Reserved 3 Bytes 0x00 0x00 0x00 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 Set address result 1 Byte 0 OK others error 04 06 Reserved 3 Bytes 0x00 0x00 0x00 Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 new address out of range reserved bytes should be filled with zero incorrect number of bytes received tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 115 tM AD4P2C2 3 3 3 Sub
23. specified address 40 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 011C0 Response 01 Performs a span calibration on channel 0 of module 01 and returns a valid response Command 021C3 Response 02 Performs a span calibration on channel 3 of module 02 and returns a valid response Command 031C1 Response 03 Performs a span calibration on channel of module 03 An invalid command is returned because the enable calibration command was not sent in advance Related Commands Section 2 5 AA1 Section 2 31 AAEV Related Topics Section 1 9 Calibration Notes 1 This command is only applicable to tM AD4P2C2 2 The enable calibration command AAEV must be sent before this command is used see Section 1 9 for details tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 41 tM AD4P2C2 2 7 AA2 Description Reads the module configuration Syntax AA2 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 2 Command to read the module configuration Response Valid Response AATTCCFF CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF TT Type code of the module see Section 1 10 for details 00 for tM AD4P2C2 CC Baud Rate code of the module see Section 1 10 for details FF Data format checksum settings
24. the specified address Examples Command 01RAO Response 010102 Reads the currently activated alarms of module 01 The module responds with 0102 which denotes that there is an activated high alarm associated with channel 0 and an activated low alarm associated with channel 1 82 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 28 AARECi Description Reads the digital input counter of channel 1 Syntax AARECi CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF RE Command to read the channel counter Ci 1 specifies the channel to be read 0 to 1 Response Valid Response AA Data CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF Data Five decimal digits representing the digital input counter data of the specified channel 00000 to 65535 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 83 tM AD4P2C2 Examples Command 03REC1 Response 0300103 Reads data from channel 1 of module 03 and the returned counter value is 103 Command 02REC9 Response 02 Reads data from channel 9 of module 02 An error is returned because channel 9 is invalid Related Commands Section 2 17 AACECi
25. 0 tM AD4P2C2 Examples Command 0150A Response 01 Enables channels 1 and 3 and disables all other channels of module 01 The module returns a valid response Command 016 Response O10A Reads the channel status of module 01 and returns a response of OA meaning that channels and 3 are enabled and all other channels are disabled Related Commands Section 2 8 AA5VV tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 47 tM AD4P2C2 2 10 AA7CiRrr Description Sets the type code of a channel Syntax AA7CiRrr CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 7 Command to set the channel range code Ci 1 specifies the input channel to be set 0 3 for tM AD4P2C2 Rrr rr represents the type code of the channel to be set Refer to the Analog Input Type Setting table in Section 1 10 for details Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response or invalid type code 48 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 017COROA Response 01 Sets the type code for channel 0 of module 01 to be OA 1 1V and the module returns a valid response Command 037C1R30 Response 03 Sets the type co
26. 8 110 111 112 113 114 115 116 117 119 120 121 122 123 124 125 126 129 130 131 132 133 133 135 136 1 Introduction The tM series is a family of network data acquisition and control modules providing analog to digital digital to analog digital input output timer counter and other functions The modules can be remotely controlled using a set of commands which we call the DCON protocol or the standard Modbus protocol Communication between the module and the host is in ASCII format via an RS 485 bi directional serial bus standard Baud Rates are software programmable and transmission speeds of up to 115 2K baud can be selected The tM series feature a new design for the frame ground and INIT switch as shown in the figure The frame ground provides enhanced static protection ESD abilities and ensures the module is more reliable The INIT switch allows easier access to INIT mode Please refer to Sections A 1 and A 3 for more details Run lt gt Init fn ra E 6a The features of the tM AD4P2C2 are as follows 1 2500V DC inter module isolation 2 16 bit sigma delta ADC to provide excellent accuracy 3 Software calibration 4 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 4 2 channel single ended voltage input and 2 channel single ended current input 5 2 channel digital input 6 2 channel digital output The tM AD4P2C2 is designed for industrial plant environments and has special input ci
27. ASS CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF SS Two hexadecimal digits that represent the host watchdog status where Bit 7 O indicates that the host watchdog is disabled and 1 indicates the host watchdog is enabled Bit 2 1 indicates that a host watchdog time out has occurred and 0 indicates that no host watchdog time out has occurred The host watchdog status is stored in EEPROM and can only be reset using the AA1 command 94 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 010 Response 0100 Reads the host watchdog status of module 01 and returns 00 meaning that the host watchdog is disabled and no host watchdog time out has occurred Command 020 Response 0204 Reads the host watchdog status of module 02 and returns 04 meaning that a host watchdog timeout has occurred Related Commands Section 2 33 Section 2 35 AA1 Section 2 36 AA2 Section 2 37 AA3EVV Related Topics Section A 2 Dual Watchdog Operation tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 95 tM AD4P2C2 2 35 AA1 Description Resets the host watchdog time out status of a module Syntax AA1 CHKSUM CR Delimite
28. I protocol Before using this command the right slide switch must be in the INIT position see Section A 1 for details The new protocol is saved in the EEPROM and will be effective after the next power on reset Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 59 tM AD4P2C2 Examples Command 01P1 Response 01 Sets the communication protocol of module 01 to Modbus RTU and returns an invalid response because the module is not in INIT mode Command 01P1 Response 01 Sets the communication protocol of module 01 to Modbus RTU and returns a valid response Related Commands Section 2 15 AAP Related Topics Section A 1 INIT Mode 60 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 17 AACECi Description Clears the digital input counter of channel 1 Syntax AACECi CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF CE Command to clear the channel counter Ci 1 specifies the channel to be read 0 to 1 Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a vali
29. Sub function 07 0x07 Read type code This sub function code is used to read the type code information of a module Request 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x07 03 Reserved 1 Bytes 0x00 04 Channel 1 Byte 0x00 0x03 Response 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x07 03 Type code 1 Byte Type code see Section 1 10 for details Error Response 00 Address 1 Byte 1 to 247 0l Function code 1 Byte OxC6 02 Exception code l Byte 03 reserved bytes should be filled with zero tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 119 tM AD4P2C2 3 3 6 Sub function 08 0x08 Set type code This sub function code is used to set the type code of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x08 03 Reserved 1 Byte 0x00 04 Channel 1 Byte 0x00 0x03 05 Type code 1 Byte Type code see Section 1 10 for details Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x08 03 Type code 1 Byte 10x00 OK others error Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 type code out of range re
30. Tables Section A 1 INIT Mode Notes 1 Changes to the address type code data format and mode settings take effect immediately after a valid command is received Changes to the Baud Rate and checksum settings take effect on the next power on reset tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 3 tM AD4P2C2 2 2 AA Description Reads the data from every analog input channel Syntax AA CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF Response Valid Response gt Data CHKSUM CR Invalid Response AA CHKSUM CR gt Delimiter character for a valid response Delimiter character for an invalid response Data Data from every analog input channels see Section 1 10 for the details of data format There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 32 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 Examples Command 01 Response gt 025 12 020 45 012 78 018 97 Reads module 01 and receives the data in engineering format Command 02 Response gt 4C532628E2D683A2 Reads module 02 and receives the data in hexadecimal format Command 03 Response gt 9999 9 9999 9 9999 9 9999 9 Reads module 03 and the data are under range Related Commands Section 2 1 7 AANNTTCCEFF Section 2 7 AA2 Related Topics Section 1 10 Configuration Tables tM AD4P2C2 User Manual Rev
31. aa 50 Dera Settini s crs arserexcavircenmcsehecnrinentteeee tse i RATA ON Arise erreen erai e e a RE e EE E E a 10 Configuration Tables ics scctistasessseetgcsieecaniersesaxteleesameeiaee LI Mounting ee ee aet e EE E OEE aS 1 11 1 DIN Rail Mounting xcs ctasienaincsvercheaseobervedcoesoiediyeteesd 1 12 Technical Support seeeesseeeseseessssesssressesessserssesesssressssees 2 DCON Protocol riaa eaaa eee 1 1 1 p pb p b ad 6 AA0Ci e SS e tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 N o e RRR RR e e ae eA NANA HPWNNFTOTAANA SES NN AN NN O U BWW W VW ane oO ar aa WS HHH aOonBNW ANANA ONU RANO NUYAADDWA AD OA NN We 2 24 AAHI data Ci 2 25 AALO data Ci 2 32 A O Na ME neres cca desde aer suas a ae e NaS Se Modb s Protoco larni n aA LAAT AEE ass 3 1 02 0x02 Read Input Status scxccaveracccsassccadencstcveterscasstpostacnsannecs 3 2 04 0x04 Read Input Channels eeeecceesseceeseeeeeeeeeeeeeees 3 3 70 0x46 Read Write Module Settings c cc eeeeeeeeeneeeeeees 3 3 1 Sub function 00 0x00 Read module name 3 3 2 Sub function 04 0x04 Set module address 3 3 3 Sub function 05 0x05 Read communication settings 3 3 4 Sub function 06 0x06 Set communication settings 3 3 5 Sub function 07 0x07 Read type code eeeeeees 3 3 6 Sub function
32. alarm limit of a channel Syntax AARLCi CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF RL Command to read the low alarm limit Ci i represents from which channel the low alarm limit should be read Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF data Low alarm limit in engineering data format tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 87 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 01RLCO Response 01 01 000 Reads the low alarm limit of channel 0 of module 01 The module responds that the low alarm limit is 1 0 Command 01RLC1 Response 01 02 000 Reads the low alarm limit of channel 1 of module 01 The module responds that the low alarm limit is 2 0 Related Commands Section 2 18 AACHC1 Section 2 19 AACLC1 Section 2 20 AADACi Section 2 23 AAEATCi Section 2 24 AAHI data Ci Section 2 25 AALO data Ci Section 2 29 AARHCi 88 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 31 AAEV Description Enable Disable module calibration Syntax AAEV CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF E
33. and mode settings of the module see Section 1 10 for details There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 42 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 Examples Command 012 Response 01000600 Reads the configuration of module 01 Command 022 Response 02000602 Reads the configuration of module 02 Related Commands Section 2 1 7 AANNTTCCFF Related Topics Section 1 10 Configuration Tables Section A 1 INIT Mode tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 43 tM AD4P2C2 2 8 AA5VV Description Specifies the channel s to be enabled Syntax AA5VV VV CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 5 Command to set the channel s to enabled VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the channel is enabled and 0 means that the channel is disabled Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response An invalid command is returned if an attempt is made to enable a channel that is not present AA Address of the responding module 00 to FF 44 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 There will be no response if the co
34. cified address 106 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 0O1RD Response 0102 Reads the response delay time value of module 01 and returns 02 which denotes that the response delay time value is 2ms Related Commands Section 2 41 AARDVV tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 107 tM AD4P2C2 2 41 AARDVV Description Sets the response delay time value of a module Syntax AARDVV CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF RD Command to set the communication protocol VV Two hexadecimal digits to represent the response delay time value in milli second for example 01 denotes Ims and 1E denotes 30s The max allowable value is 30 1Eh Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address 108 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 01RD06 Response 01 Sets the response delay time value to 6ms The module returns a valid response Command 0O1RD Response 0106 Reads the response delay time value of module 01 The module returns 06 which denotes that the response delay time
35. ct ICP DAS Product Support Contact information is located in Section 1 12 130 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 4 1 Communicating with the module If you attempt to communicate with the module and receive no response first check the following oO Make sure the supplied power is within the range of 10 to 30 V DC If the supplied power is OK then the power LED should be on When the module receives a command the power LED is set to off The power LED is shown as on after the module responds This method can be used to check whether the module has received a command sent from the host If possible use another device to check whether the host can communicate with the device through the same RS 485 network If the host is a PC installed with a Windows operating system then execute the DCON Utility to determine whether the module can be found The DCON Utility can be downloaded from the ICP DAS website http www icpdas com The DCON Utility documentation can be found in the Getting Started For I 7000 Series Modules manual Set the module to INIT mode and communicate with the module using the following settings address 00 Baud Rate 9600bps no checksum and DCON protocol See Section A 1 for details tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 131 4 2 Reading Data If the data read from the input channel is not correct first check the following o Make sure the type code and data f
36. d command AA CHKSUM CR Delimiter character for a valid command 2 Delimiter character for an invalid command AA Address of the responding module 00 to FF OO A two digit hexadecimal value where bit 0 corresponds to DOO bit 1 corresponds to DO etc When the bit is 1 it denotes that the digital output port is on and O denotes that the digital output port is off I A two digit hexadecimal value where bit 0 corresponds to DIO bit 1 corresponds to DI etc When the bit is 1 it denotes that the digital input port is on and O denotes that the digital input port is off tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 69 tM AD4P2C2 There will be no response if the command syntax 1s incorrect there 1s a communication error or there is no module with the specified address Examples Command 01DI Response 0100102 Reads the digital input and output port status of module 01 and returns 00102h which denotes that DOO and DI are on and DOI and DIO are off Related Commands Section 2 22 AADODD 70 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 22 AADODD Description Sets the digital output ports Syntax AADODD CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF DO Command to set the digital output ports DD A two digit hexadecimal value where bit 0 corresponds to DOO bit 1 corresponds to DO etc When the bit is 1 it denotes that the digital output port is o
37. d response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 61 tM AD4P2C2 Examples Command 03REC1 Response 0300103 Reads data from channel 1 of module 03 and the returned counter value is 103 Command 03CEC1 Response 03 Clears the counter value of channel of module 03 and returns a valid response Command 03REC1 Response 0300000 Reads counter data from channel 1 of module 03 and the returned counter value is 0 Related Commands Section 2 28 AARECi 62 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 18 AACHCi Description Clears the high latched alarm of a channel Syntax AACHCi CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF CH Command to clear the high latched alarm Ci i represents which channel should have the high latched alarm cleared Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address
38. de for channel 1 of module 03 to be 30 The module returns an invalid response because the type code is invalid Related Commands Section 2 11 AA8Ci Related Topics Section 1 10 Configuration Tables tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 49 tM AD4P2C2 2 11 AA8Ci Description Reads the type code information of a channel Syntax A A8Ci CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 8 Command to read the type code of a channel Ci Specifies which channel to access for the type code information 1 0 3 for tM AD4P2C2 Response Valid Response AACiRrr CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response or invalid channel AA Address of the responding module 00 to FF Ci Specifies which input channel to access to retrieve the type code information Rrr Represents the type code of the specified input channel Refer to the Analog Input Type Setting table in Section 1 10 for details 50 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 018C0 Response 01COROA Reads the channel 0 input range of module 01 and returns OA 1 1V Related Commands Section 2 10 AA7CiRrr Related Topics Section 1 10 Config
39. de is used to set the communication protocol of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x06 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte Baud Rate code see Section 1 10 for details 05 Reserved 1 Byte 0x00 06 Data format 1 Byte 0x00 no parity 1 stop bit 0x01 no parity 2 stop bits 0x02 even parity 1 stop bit 0x03 odd parity 1 stop bit 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0x00 DCON protocol 0x01 Modubs RTU protocol 0x03 Modubs ASCII protocol 09 10 Reserved 2 Bytes 0x00 0x00 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 117 tM AD4P2C2 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x06 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte 0x00 OK others error 05 Reserved 1 Byte 10x00 0x00 0x00 06 Data format 1 Byte 0x00 OK others error 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0x00 OK others error 09 10 Reserved 2 Bytes 0x00 0x00 Note The new Baud Rate and protocol will be effective after the next power on reset Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 Baud Rate or mode out of range reserved bytes should be filled with zero incorrect number of bytes received 118 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 3 3 5
40. details Apply the span calibration voltage current Send the span calibration command Refer to Sections 2 4 and 2 6 for details Repeat steps 3 to 7 three times Notes i 2A 3 Connect the calibration voltage current to channel 0 Calibration voltages and currents are shown below The modules must be switched to the DCON protocol mode before calibrating Refer to Section 3 3 4 and 3 4 for details of the switching protocol Calibration voltages current used by the tM AD4P2C2 Type cu s o o oa o nput Span nput tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 1 10 Configuration Tables Baud Rate Setting CC 7 6 5 4 3 2 1 0 Data Baud Key Description Baud Baud Rate 03 1200 04 2400 05 4800 06 9600 07 19200 08 38400 09 57600 OA 115200 Data Data Format 0 eight data bits no parity and one stop bit 1 eight data bits no parity and two stop bit 2 eight data bits even parity and one stop bit 3 eight data bits odd parity and one stop bit tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 17 Analog Input Type Setting TT Type Code Analog Input Type Range 05 2 5V 2 5V 2 5V 06 20mA 20mA 20mA 07 4 to 20mA 4mA 20mA 08 10V 10V 10V 09 5V 5V 5V 0A 1V 1V 1V OD 20mA 20mA 20mA 1A 0 to 20mA 0 20mA Notes 1 Types 05 08 09 and OA
41. e 1 7 AANNTTCCFFE when changing Baud Rate and checksum settings See Section 2 1 for details 2 AAPN see Section 2 14 for details tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 133 The tM modules have the INIT switch located on the right side of the module allow easier access to INIT mode For these modules INIT mode is accessed by sliding the INIT switch to the Init position as shown below Run gt Init 134 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 A 2 Dual Watchdog Operation Dual Watchdog Module Watchdog Host Watchdog The Module Watchdog is a hardware reset circuit that monitors the operating status of the module While working in harsh or noisy environments the module may be shut down by external signals The circuit allows the module to work continuously without disruption The Host Watchdog is a software function that monitors the operating status of the host Its purpose is to prevent problems due to network communication errors or host malfunctions When a host watchdog time out occurs the module will reset all outputs to a safe state in order to prevent any erroneous operations of the controlled target The tM series modules include an internal Dual Watchdog making the control system more reliable and stable For more information regarding the Dual Watchdog please refer to Chapter 5 of the Getting Started For I 7000 Series Modules manual that can be downloaded from the ICP DAS website h
42. e specified address 104 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 0150000 Response 01 Sets the power on DO value to 0 and the safe DO value to 0 The module returns a valid response Command 014 Response 010000 Reads the power on DO value and the safe DO value of module 01 The module returns 0000 which denotes that both the power on DO value and the safe DO value are Q Related Commands Section 2 38 AA4 Related Topics Section A 2 Dual Watchdog Operation Notes Both the power on value and the safe value have no effect on the DO ports that are associated with alarm outputs tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 105 tM AD4P2C2 2 40 AARD Description Reads the response delay time value of a module Syntax AARD CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF RD Command to read the response delay time value Response Valid Response AAVV CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF VV Two hexadecimal digits to represent the response delay time value in milli second for example 01 denotes Ims and 1E denotes 30ms The max allowable value is 30 1Eh There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the spe
43. elimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF E 1 the host watchdog is enabled 0 the host watchdog is disabled VV Two hexadecimal digits to represent the time out value in tenths of a second for example 01 means 0 1 seconds and FF means 25 5 seconds There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address 98 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 012 Response 01 1 FF Reads the host watchdog time out value of module 01 and returns FF meaning that the host watchdog is enabled and the host watchdog time out value is 25 5 seconds Related Commands Section 2 33 Section 2 34 AAO Section 2 35 AAI1 Section 2 37 AA3EVV Related Topics Section A 2 Dual Watchdog Operation tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 99 tM AD4P2C2 2 37 AA3EVV Description Enables disables the host watchdog and set the host watchdog time out value of a module Syntax AA3EVV CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 3 Command to set the host watchdog E 1 enable the host watchdog 0 disable the host watchdog VV Two hexadecimal digits to represent the time out value in tenths of a second for example 01 means 0 1 seconds and FF means 25 5 seconds Response Va
44. ettings Section 1 10 To change the checksum setting the right slide switch must be set to the INIT position See Section A 1 for details tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 29 tM AD4P2C2 Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response If changing the Baud Rate or checksum settings without switching the right slide switch to the INIT position the module will return an invalid command AA Address of the module in hexadecimal format 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 30 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 0102000600 Response 02 Change the address of module 01 to 02 The module returns a valid response Command 0202000602 Response 02 Set the data format of module 02 to be 2 2 s complement hexadecimal The module returns a valid response Command 0101000A00 Response 01 Change the Baud Rate of module 01 to 115200bps The module returns an invalid command because it is not in INIT mode Command 0101000A00 Response 01 Change the Baud Rate of module 01 to 115200bps and the module is in INIT mode The module returns a valid response Related Commands Section 2 7 AA2 Related Topics Section 1 10 Configuration
45. function 05 0x05 Read communication settings This sub function code is used to read the communication protocol settings of a module Request 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Reserved 1 Byte 0x00 Response 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Protocol 1 Byte 0x00 Modbus RTU supported 0x03 Modbus RTU amp ASCII 04 Baud Rate 1 Byte Baud Rate code see Section 1 10 for details 05 Reserved 1 Bytes Ox00 06 Data format 1 Byte 0x00 no parity 1 stop bit 0x01 no parity 2 stop bits 0x02 even parity 1 stop bit 0x03 odd parity 1 stop bit 07 Reserved 1 Bytes 0x00 08 Mode 1 Byte 0x00 DCON protocol 0x01 Modubs RTU protocol 0x03 Modbus ASCII protocol 09 10 Reserved 2 Bytes 0x00 0x00 Note This information is the data saved in the EEPROM and will be used for the next power on reset It is not the currently used settings Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 reserved byte should be filled with zero incorrect number of bytes received 116 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 3 3 4 Sub function 06 0x06 Set communication settings This sub function co
46. input 2 Bytes N 1 to 4 Starting channel N channels should be less than or equal to 0x84 Note This function is only available on tM AD4P2C2 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte Ox02 02 Byte count 1 Byte I 03 Data of input 1 Byte A bit corresponds to a channel channels When the bit is 1 it denotes that the channel is enabled and is either over range under range or wire opening If the bit is 0 it denotes that the channel is disabled or normal Error Response 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x82 02 Exception code l Byte 02 starting channel out of range 03 starting channel number of input channels out of range incorrect number of bytes received tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 3 2 04 0x04 Read Input Channels This function code is used to read from contiguous analog input channels Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x04 02 03 Starting channel 2 Bytes 0 to 3 for reading analog inputs 04 05 Number of input 2 Bytes l to 4 Starting channel N lt 4 channels N for reading analog inputs Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x04 02 Byte count l Byte 2xN 03 Data of input 2xN channels Bytes Error Response 00 Address 1 Byte 1 to 247
47. l AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 73 tM AD4P2C2 Examples Command O01IEAMCO Response 01 Enable alarm of channel 0 of module 01 The alarm type is momentary Command OQ1EALC1 Response 01 Enable alarm of channel 1 of module 01 The alarm type is latched Related Commands Section 2 18 AACHC1 Section 2 19 AACLC1 Section 2 20 AADACi 74 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 24 AAHI data Ci Description Sets the high alarm limit of a channel Syntax AAHI data Ci CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF HI Command to set the high alarm limit data High alarm limit in engineering data format Ci i represents which channel is to be checked for the high alarm Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command or invalid channel AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 75 tM AD4P2C2 Examples Command 01HI 09 000CO
48. lid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 100 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 Examples Command 013164 Response 01 Enables the host watchdog of module 01 and sets the host watchdog time out value to 10 0 seconds The module returns a valid response Command 012 Response 01164 Reads the host watchdog time out value of module 01 The module returns 164 meaning that the host watchdog is enabled and the host watchdog time out value is 10 0 seconds Related Commands Section 2 33 Section 2 34 AAO Section 2 35 AAI1 Section 2 36 AA2 Related Topics Section A 2 Dual Watchdog Operation tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 101 tM AD4P2C2 2 38 AA4 Description Reads the power on DO and safe DO values of a module Syntax AA4 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 4 Command to read the power on DO and safe DO values Response Valid command AAPPSS CHKSUM CR Invalid command 4A CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module
49. lid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 36 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 010 Response 01 Performs a span calibration on module 01 and returns a valid response Command 020 Response 02 Performs a span calibration on module 02 An invalid command is returned because the enable calibration command was not sent in advance Related Commands Section 2 5 AA1 Section 2 31 AAEV Related Topics Section 1 9 Calibration Notes 1 This command is only applicable to tW AD4P2C2 2 The enable calibration command AAEV must be sent before this command is used see Section 1 9 for details tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 37 tM AD4P2C2 2 5 AA1 Description Performs a zero calibration Syntax AA1 CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 1 Command for the zero calibration Response Valid Response AA CHKSUM CR Invalid Response 2 AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There wi
50. ll be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address 38 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 011 Response 01 Performs a zero calibration on module 01 and returns a valid response Command 021 Response 02 Performs a zero calibration on module 02 An invalid command is returned because the enable calibration command was not sent in advance Related Commands Section 2 4 AAO Section 2 31 AAEV Related Topics Section 1 9 Calibration Note The enable calibration command AAEV must be sent before this command is used see Section 1 9 for details tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 39 tM AD4P2C2 2 6 AA0Ci Description Performs a span calibration on the specified channel Syntax AA1Ci CHKSUM CR Delimiter character AA Address of the module to be calibrated 00 to FF l Command for the span calibration Ci Specifies the channel to be calibrated Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response An invalid command is returned if the specified channel is incorrect AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the
51. mmand syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 0150A Response 01 Enables channels 1 and 3 and disables all other channels of module 01 The module returns a valid response Command 016 Response O10A Reads the channel status of module 01 and returns a response of OA meaning that channels and 3 are enabled and all other channels are disabled Related Commands Section 2 9 AA6 Note It is recommended that only the channels that will be used are enabled tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 45 tM AD4P2C2 2 9 AA6 Description Reads the enabled disabled status of each channel Syntax AA6 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 6 Command to read the channel status Response Valid Response AAVV VV CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the channel is enabled and 0 means that the channel is disabled There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address 46 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A1
52. n and O denotes that the digital output port is off Response Valid command AA CHKSUM CR Invalid command 4AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 71 tM AD4P2C2 Examples Command 01D002 Response 01 Sets DOO to off and DOI to on and the module returns a valid response Related Commands Section 2 21 AADI Notes 1 If the digital output port is already set to be an alarm output port then the value written to the port is ignored 2 When a host watchdog timeout occurs the module will respond with an invalid command for this command and the DO value that was sent is ignored 72 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 2 23 AAEATCi Description Enable analog input alarm of a channel Syntax AAEATCi CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF EA Command to enable alarm T Alarm type M momentary alarm L latched alarm Ci i represents the channel to enable alarm Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command or invalid channe
53. n 2 29 AARHCi Section 2 30 AARLCi 80 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 27 AARAO Description Reads the currently activated alarms Syntax AARAO CHKSUM CR AA RAO Delimiter character Address of the module to be read 00 to FF Command to read the currently activated alarms Response Valid command AAHHLL CHKSUM CR Invalid command AA CHKSUM CR AA HH Delimiter character for a valid command Delimiter character for an invalid command or invalid port Address of the responding module 00 to FF A two digit hexadecimal value to represent the currently activated high alarms where bit O corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it denotes that there is an activated high alarm associated with the channel When the bit is 0 it denotes that there are no activated high alarms associated with the channel tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 81 tM AD4P2C2 LL A two digit hexadecimal value to represent the currently activated low alarms where bit O corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it denotes that there is an activated low alarm associated with the channel When the bit is 0 it denotes that there are no activated low alarms associated with the channel There will be no response if the command syntax is incorrect there is a communication error or there is no module with
54. nel where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it denotes that the channel is enabled and 0 denotes that the channel is disabled Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 incorrect number of bytes received 122 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 3 3 9 Sub function 38 0x26 Set channel enable disable This sub function code is used to specify the channels to be enabled in a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x26 03 Enable disable 1 Byte 0x00 OxOF enable disable setting setting of each channel where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it denotes that the channel is enabled and 0 denotes that the channel is disabled Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x26 03 Enable disable l Byte 0 OK setting others error Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 enable disable setting out of range incorrect number of bytes received tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 123 tM AD4P2C2 3 3 10 Sub function
55. ormat settings are correct The type code is set by using the 7AANNTTCCFEF command see Section 2 1 for details The data format is set by using the 7AANNTTCCFF command For the Modbus RTU protocol the type code is set by using sub function 08h of the function 46h o If the voltage read by the module is incorrect then it may be because the calibration parameters stored in the non volatile memory are corrupted You can calibrate the module by yourself Be sure to read Section 1 9 in detail before doing any calibration 132 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 A Appendix A 1 INIT Mode Each tM module has a built in EEPROM to store configuration information such as module address type code Baud Rate etc Occasionally the configuration of a module may be forgotten and there are no visual indications of the configuration of the module It is difficult to communicate with the module when the configuration of the module is unknown To help avoid this problem the tM series has a special mode called INIT mode When the module is powered on in INIT mode the configuration of the module is reset as follows allowing it to be operated as normal 1 Address 00 2 Baud Rate 9600 bps 3 No checksum 4 Protocol DCON The configuration information stored in the EEPROM is not changed and they can be read by sending the 002 CR command at 9600bps There are commands that require the module to be in INIT mode They ar
56. r character AA Address of the module to be set 00 to FF l Command to reset the host watchdog time out status Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address 96 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 Examples Command 010 Response 0104 Reads the host watchdog status of module 01 and shows that a host watchdog time out has occurred Command 011 Response 01 Resets the host watchdog time out status of module 01 and returns a valid response Command 010 Response 0100 Reads the host watchdog status of module 01 and shows that no host watchdog time out has occurred Related Commands Section 2 33 Section 2 34 AAO Section 2 36 AA2 Section 2 37 AA3EVV Related Topics Section A 2 Dual Watchdog Operation tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 97 tM AD4P2C2 2 36 AA2 Description Reads the host watchdog time out value of a module Syntax AA2 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 2 Command to read the host watchdog time out value Response Valid Response AAEVV CHKSUM CR Invalid Response AA CHKSUM CR D
57. rcuits to provide 120VDC continuous overload protection tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 5 1 1 More Information o For details of INIT mode operation please refer to Section A 1 INIT Mode o For details of module watchdog and host watchdog please refer to Section A 2 Dual Watchdog Operation o For details of ESD protection and grounding please refer to Section A 3 Frame Ground 6 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 1 2 Terminal Assignment tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 1 3 Specifications System Specifications N 8 1 N 8 2 O 8 1 E 8 1 DCON Modbus RTU Modbus ASCII Yes Module 2 3 seconds Communication Programmable Yes 1 LED as Power Communication Indicator Field to Logic 4 kV Contact for each Terminal ESD IEC 61000 4 2 8 kV Air for Random Point EFT IEC 61000 4 4 4 kV for Power Line TEI Dimensions W x L x H 52 mm x 98 mm x 27 mm DIN Rail Mounting umay 10 m 95 R Nancondensng 8 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 T O Specifications 2 Single ended 2 Single ended 1V 2 5V 5V 20 mA 10V 0 20 mA 4 20 mA at j i bit 10 Hz total 200 Hz total 0 1 0 5 20 pV C 25 ppm C on Les soma 110 i a l l i i in g 3 Wet Contact Source 3 5 50 VOC 1 VDC Max 10 KQ 0 5 W Input Impedance
58. rotocol All communication with tM modules consists of commands generated by the host and responses transmitted by the tM modules Each module has a unique ID number that is used for addressing purposes and is stored in non volatile memory The ID is O1 by default and can be changed using a user command All commands to the modules contain the ID address meaning that only the addressed module will respond The only exception to this is command Section 2 33 which is sent to all modules but in these cases the modules do not reply to the command Command Format CR Leading Module Character Address COMmand CHKSUM CR Response Format Leading Module Character Address Pata CHKSUM CR CHKSUM A 2 character checksum that is present when the checksum setting is enabled See Section 1 10 and 2 1 for details End of command character carriage return OxOD tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 Checksum Calculation 1 Calculate the ASCII code sum of all the characters in the command response string except for the carriage return character CR 2 The checksum is equal to the sum masked by Offh Example Command string 012 CR L 2 3 Sum of the string 0 1 2 24h 30h 31h 32h B7h Therefore the checksum is B7h and so CHKSUM B7 The command string with the checksum 012B7 CR Response string
59. s Section 2 18 AACHC1 Section 2 19 AACLC1 Section 2 20 AADACi Section 2 23 AAEATCi Section 2 24 AAHI data Ci 78 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 26 AARACIi Description Reads the alarm setting of a channel Syntax AARACi CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF RA Command to read the alarm setting Ci 1 represents from which channel the alarm setting should be read Response Valid command AAS CHKSUM CR Invalid command 4A CHKSUM CR AA S Delimiter character for a valid command Delimiter character for an invalid command or invalid channel Address of the responding module 00 to FF Alarm type 0 alarm disabled 1 momentary alarm 2 latched alarm tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 79 tM AD4P2C2 There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 01RACO Response 011 Reads the alarm setting of channel 0 of module 01 The module responds that the alarm type is momentary Command 01RACI1 Response 012 Reads the high alarm settings of channel 1 of module 01 The module responds that the alarm type is latched Related Commands Section 2 18 AACHC1 Section 2 19 AACLC1 Section 2 20 AADACi Section 2 23 AAEATC1 Section 2 24 AAHI data Ci Section 2 25 AALO data Ci Sectio
60. served bytes should be filled with zero incorrect number of bytes received 120 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 3 3 7 Sub function 32 0x20 Read firmware version This sub function code is used to read the firmware version information of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x20 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x20 03 Major version 1 Byte Ox00 OxFF 04 Minor version 1 Byte Ox00 OxFF 05 Build version 1 Byte Ox00 OxFF Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte OxC6 02 Exception code l Byte 03 incorrect number of bytes received tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 121 tM AD4P2C2 3 3 8 Sub function 37 0x25 Read channel enabled disabled status This sub function code is used to read the enabled disabled status of each channel in a module Request 00 Address 1 Byte 1 to 247 0l Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x25 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x25 03 Enabled disabled 1 Byte 0x00 OxOF enabled disabled status status of each chan
61. tM AD4P2C2 User Manual Warranty All products manufactured by ICP DAS are under warranty regarding defective materials for a period of one year from the date of delivery to the original purchaser Warning ICP DAS assumes no liability for damages resulting from the use of this product ICP DAS reserves the right to change this manual at any time without notification The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for its use or for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 2013 ICP DAS All rights reserved Trademark The names used for identification only may be registered trademarks of their respective companies Date 2013 8 21 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 1 Table of Contents Introductio eein er a aea a E EAA E EE ees 1 1 More Information s sssssessesesesesssssesssessesssersseessresseesseessees 2 Terminal Assignment occ teas ch cuiavesencsanestuutertensuadsaultorebannes SSPE CILIC ALI ONS erare aee deck EE ra E E rS A Block Di pramS e ea e AEE A EE 1 4 1 Block diagram for the tM AD4P2C2 oo eee 1 3 DIMENSIONS pannia arae eee 1 6 Wiring Diagrams sesesessessesessssressseesssresseresssrrsseresssressseees 1 6 1 Wiring diagram for the tM AD4P2C2 ee 1 6 2 Wiring Recommendations seseseseessesesssressreesssress TOUR StA T eeen eresi EAO EAE E A
62. ter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 91 tM AD4P2C2 Examples Command 0107019A Response 01 Sets the name of module 01 to be 7019A and returns a valid response Command 01M Response 017019A Reads the name of module 01 and returns 7019A Related Commands Section 2 14 AAM 92 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 33 Description Informs all modules that the host is OK Syntax CHKSUM CR Delimiter character ah Host OK command Response No response Examples Command No response Sends a Host OK command to all modules Related Commands Section 2 34 AAQO Section 2 35 AA1 Section 2 36 AA2 Section 2 37 AA3EVV Related Topics Section A 2 Dual Watchdog Operation Note After sending this command there must be a 2ms delay before the next command can be sent tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 93 tM AD4P2C2 2 34 AA0 Description Reads the host watchdog status of a module Syntax AA0 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 0 Command to read the module status Response Valid Response A
63. the module There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address Examples Command 01F Response 01A2 0 Reads the firmware version of module 01 and shows that it is version A2 0 54 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 2 14 AAM Description Reads the name of a module Syntax S AAM CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF M Command to read the module name Response Valid Response AA Name CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF Name A string showing the name of the module There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 55 tM AD4P2C2 Examples Command 01M Response 017018 Reads the module name of module 01 and returns the name 7018 Related Commands Section 2 32 AAO Name 56 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 tM AD4P2C2 2 15 AAP Description Reads the communication protocol information Syntax SAAP CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF P Command to read the communication protocol
64. ttp www icpdas com tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 135 A 3 Frame Ground Electronic circuits are constantly vulnerable to ESD which become worse in a continental climate area The tM modules feature a new design for the frame ground The frame ground provides a path for bypassing ESD which provides enhanced static protection ESD abilities and ensures the module is more reliable Connect the frame ground terminal to a wire DIN rail and connect the wire DIN rail to the earth ground will provide a better protection for the module 136 tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10
65. uration Tables tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 51 tM AD4P2C2 2 12 AAA Description Reads the data from every analog input channel in hex format Syntax AAA CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF A Command to read every analog input Response Valid Response gt Data CHKSUM CR Invalid Response AA CHKSUM CR gt Delimiter character for a valid response Delimiter character for an invalid response Data Data from every analog input channels in hex format There will be no response if the command syntax is incorrect there 1s a communication error or there is no module with the specified address 52 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 Examples Command 01A Response gt 0000012301257FFF Reads module 01 and receives the data in hex format Related Commands Section 2 2 AA tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 53 tM AD4P2C2 2 13 AAF Description Reads the firmware version of a module Syntax AAF CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF F Command to read the firmware version Response Valid Response AA Data CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF Data A string indicating the firmware version of
66. value is 6ms Related Commands Section 2 40 AARD tM AD4P2C2 User Manual Rev Al 0 7MH 020 A10 109 3 Modbus Protocol The Modbus protocol is developed by Modicon Inc originally developed for Modicon controllers Detailed information can be found at http www modicon com techpubs toc7 html You can also visit http www modbus org to find more valuable information The tM series modules support both the Modbus RTU and Modbus ASCII protocols The communication Baud Rates range from 1200bps to 115200bps The following Modbus functions are supported Function Code Description Section 02 0x02 Read input status 3 1 04 0x04 Read input channels 3 2 70 0x46 Read write module settings 3 3 If the function specified in the message is not supported then the module responds as follows Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte Function code 0x80 02 Exception code 1 Byte Ol If a CRC mismatch occurs the module will not respond 110 tM AD4P2C2 User Manual Rev A1 0 7MH 020 A10 tM AD4P2C2 3 1 02 0x02 Read Input Status This function code is used to read the open wire status of a module in the current input type Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte Ox02 02 03 Starting channel 2 Bytes 0x80 to 0x83 where 0x80 corresponds to channel 0 0x81 corresponds to channel 1 etc 04 05 Number of

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