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tM-P4C4 User Manual

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1. N Number of input channels Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x83 02 Exception code 1 Byte Refer to the Modbus standard for more details Supported Modules tM P4C4 Valid starting 9x0000 0x0003 for DI counter value channel tM P8 Valid starting 9x0000 0x0007 for DI counter value channel 94 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 4 04 0x04 Read Multiple Input Registers This function code is used to read the current digital input counter value of the tM module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x04 02 03 Starting channel 2 Bytes 0x0000 0x001F numbers 04 05 Input channel 2 Bytes 0x0001 0x0020 number Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x04 02 Byte count 1 Byte 1 03 Input channel N x 2 Each channel can record the counter value Bytes maximum counter value up to 65535 OXFFFF N Number of input channels Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x84 02 Exception code 1 Byte Refer to the Modbus standard for more details Supported Modules tM P4C4 Valid starting 9x0000 0x0003 for DI counter value channel tM P8 Valid starting 9x0000 0x0007 for DI counter value channel
2. LA DI active state 0 input value 1 for non signal or the low voltage input value O for high voltage 1 input value O for non signal or the low voltage input value 1 for high voltage tM P4C4 User Manual Rev A1 0 7PH 013 A10 Response Valid Command AA CHKSUMTI CR Invalid Command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response 1f the command syntax is incorrect there is a communication error or there is no module with the specified address Examples Command 01D01 Response 01 Sets the miscellaneous settings of module 01 to 01 and returns a valid response Related Commands Section 2 31 AAD tM P4C4 User Manual Rev A1 0 7PH 013 A10 85 2 33 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 command AAEVV 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 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
3. 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 http www icpdas com 120 tM P4C4 User Manual Rev A1 0 7PH 013 A10 A 3 Frame Ground Electronic circuits are constantly vulnerable to Electro Static Discharge ESD which become worse in a continental climate area The tM modules feature a new design for the frame ground which provides a path for bypassing ESD allowing enhanced static protection ESD capability and ensures that 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 tM P4C4 User Manual Rev A1 0 7PH 013 A10 121 A 4 Reset Status The reset status of a module is set when the module is powered on or when the module is reset by the module watchdog It is cleared after the responding of the first AA5 command This can be used to check whether the module had been reset When the SAAS5 command responds that the reset Status 1s cleared that means the module has not been reset since the last SAAS command was sent When the AA5 command responds that the reset status is set and it is not the first time AA5 command is sent it means the module has
4. tM P4C4 User Manual Rev A1 0 7PH 013 A10 95 3 5 05 0x05 Write Single Coils This function code is used to write the digital output value of the tM module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x05 02 03 Output channel 2 Bytes 0x0000 0x001F numbers 0x0107 to clear the latch value 0x0200 0x0220 to clear the DI counter value 04 05 Output value 2 Bytes A value of OxFFOO sets the output to ON A value of 0x0000 sets it to OFF All other values are illegal and will not affect the coil Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x05 02 03 Output channel 2 Bytes The value is the same as byte 02 and numbers 03 of the Request 04 05 Output value 2 Bytes The value is the same as byte 04 and 05 of the Request Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x85 02 Exception code 1 Byte Refer to the Modbus standard for more details 96 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Supported Modules tM P4C4 0x0000 0x0003 for DO output Valid output 0x0107 to clear the DIO latch value If setting this channel channel to ON the latch value will become 0 tM C8 0x0200 0x0203 to clear the DI counter value 0x0000 0x 0007 for DO output Valid output 0x0107 to clear the DIO latch value If setting this channe
5. see tM P4C4 User Manual Rev A1 0 7PH 013 A10 11 12 NC 14 NO 111 112 NC 114 NO 21 22 NC 24 NO 121 122 NC 124 NO 144 NO 129
6. tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 7 3 Sub 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 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Reserved 1 Byte 0x00 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Protocol supported 1 Byte 0x00 Modbus RTU 0x03 Modbus RTU amp ASCII 04 Baud Rate 1 Byte Baud rate code see Section 1 9 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 Modbus 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 1 247 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 103 3 7 4 Sub function 06 0x06 Set communication settings This sub function code is used to set the communica
7. Examples Command 010A33 Response gt Sets DOO DO1 DO4 and DOS to on and DO2 DO3 DO6 DO7 to off and the module returns a valid response Related Commands Section 2 3 FAAOO data Section 2 5 AAOB data Section 2 6 AAIcDD Section 2 7 AAAcDD Section 2 8 AABcDD Section 2 13 AA6 Section 2 21 AA Related Topics Section 1 10 DIO Active States Notes 1 This command is only applicable to the modules with digital output channels 2 This command is the same as the AAOQO Data command 32 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 5 HFAAOB Data Description Sets the digital output value of the upper eight channels Syntax A AOB Data CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF OB Command to set the digital output value of the upper eight channels Data A two digit hexadecimal value where bit O corresponds to DOS bit 1 corresponds to DOS etc When the bit is 1 it denotes that the digital output channel is on and O denotes that the digital output channel is off Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command Delimiter character for an ignored command A host watchdog timeout has occurred the digital output ports are set to safe value and the digital output value that was sent is ignored There
8. AAOA data Section 2 5 FAAOB data Section 2 6 AAIcDD Section 2 7 AAAcDD Section 2 8 AABcDD Section 2 13 SAA6 Section 2 21 AA Related Topics Section 1 10 DIO Active States Notes 1 This command is only applicable to the modules with digital output channels 2 This command is the same as the AAQA Data command 30 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 4 AA0A Data Description Sets the digital output value of the lower eight channels Syntax FAA0A Data CHKSUMI CR Delimiter character AA Address of the module to be set 00 to FF OA Command to set the digital output value of the lower eight channels Data A two digit hexadecimal value where bit O corresponds to DOO bit 1 corresponds to DO etc When the bit is 1 it denotes that the digital output channel is on and O denotes that the digital output channel is off Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command Delimiter character for an ignored command A host watchdog timeout has occurred the digital output channel s are set to safe value and the digital output value that was sent is ignored There will be no response 1f the command syntax 1s incorrect there is a communication error or there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 31
9. Nominal Load SAO250VAC 5A 30VDC Max Switching Power 1250 VA Max Switching Voltage 250 VAC 150 VDC Max Switching Current SA Mechanical Life Electric Life 100 x 10 operations min Operate Release Time Max 10 ms 5 ms Dielectric Strength 2000 VAC 1 minute Nominal Coil Power 360 mW Power Input 24 VDC DIN Rail Mounted 10 x 10 Operations min tM P4C4 User Manual Rev A1 0 7PH 013 A10 127 A 7 3 RM 104 RM 108 and RM 116 Output Channel 4 8 16 relay contact Output Specifications Type 1 Form C relay contact Rated Load 1I6AO250VAC Max Switching Voltage 400 VAC Max Peak Current 30 A Contact Material AgCdO Min Life 100 000 operations Dimensions RM 104 78 mm x 77 mm RM 108 135 mm x 77 mm RM 116 270 mm x 77 mm Power Input 24 VDC DIN Rail Mounted 128 tM P4C4 User Manual Rev A1 0 7PH 013 A10 A 7 4 RM 204 RM 208 RM 216 Output Channel 4 8 16 relay contact Output Specifications Type 2 Form C relay contact Rated Load 5A 250VAC Max Switching Voltage 400 VAC Max Peak Current 10 A Contact Material AgNi Min Life 100 000 operations Dimensions RM 204 78 mm x 77 mm RM 208 135 mm x 77 mm RM 216 270 mm x 77 mm Power Input 24 VDC DIN Rail Mounted 24V 24V GND GND
10. gt Delimiter character for a valid command Delimiter character for an invalid command Delimiter character for an ignored command A host watchdog timeout has occurred the digital output ports are set to safe value and the digital output value that was sent is ignored tM P4C4 User Manual Rev A1 0 7PH 013 A10 39 There will be no response 1f the command syntax 1s incorrect there is a communication error or there is no module with the specified address Examples Command 01B201 Response gt Sets DO10 to on and the module returns a valid response Related Commands Section 2 3 AAQO data Section 2 4 AAOA data Section 2 5 FAAOB data Section 2 6 AAIcDD Section 2 7 AAAcDD Section 2 13 AA6 Section 2 21 AA Related Topics Section 1 10 DIO Active States Notes This command is only applicable to the modules with the number of digital output channels larger than eight 40 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 9 AAN Description Reads the digital input counter 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 0 to F Response Valid Command Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect Data Five decimal digits representing the dig
11. 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 can be read by sending the 002 CR command at 9600bps There are commands that require the module to be in INIT mode They are 1 7 AANNTTCCFFE when changing the Baud Rate and checksum settings See Section 2 1 for details 2 AAPN see Section 2 20 for details 118 tM P4C4 User Manual Rev A1 0 7PH 013 A10 The tM modules have the INIT switch located on the right side of the module to allow easier access to the INIT mode For these modules INIT mode is accessed by sliding the INIT switch to the Init position as shown below Run gt Init tM P4C4 User Manual Rev A1 0 7PH 013 A10 119 A 2 Dual Watchdog Operation Dual Watchdog Module Watchdog Host Watchdog The Module Watchdog 1s 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 timeout occurs the module will reset all outputs to a safe state in order to prevent any erroneous operations of the controlled target
12. been reset and the digital output value had been changed to the power on value 122 tM P4C4 User Manual Rev A1 0 7PH 013 A10 A 5 Safe Value and Power on Value of Digital Output Besides setting by the set digital output commands the digital outputs can be set under two other conditions When the host watchdog 1s enabled and a host watchdog timeout occurs the safe value is loaded into the digital output ports The set digital output commands have no effect on the digital output ports until the host watchdog timeout status is cleared The host watchdog timeout status is saved in the EEPROM The status is not changed even after power on reset It can be cleared only by the reset host watchdog timeout status command AA1 See Section A 2 for host watchdog details When the module is powered on and the host watchdog timeout status is cleared the power on value is loaded into the digital output ports If the host watchdog timeout status is not cleared on power on then the safe value is loaded into the digital output ports Both the safe value and power on value are set by the AA5V command Refer to Section 2 30 for details tM P4C4 User Manual Rev A1 0 7PH 013 A10 123 A 6 Latched Digital Input The tM modules provide commands to read the latched high digital input and latched low digital input status Following is an example to show the usefulness of the latched digital input When we want to read the key stroke of a
13. for a valid command Delimiter character for an invalid command Delimiter character for an ignored command A host watchdog timeout has occurred the digital output ports are set to safe value and the digital output value that was sent is ignored tM P4C4 User Manual Rev A1 0 7PH 013 A10 65 There will be no response 1f the command syntax 1s incorrect there is a communication error or there is no module with the specified address Examples Command 017 Response gt For the tM P4C4 module sets DOO to on DO1 to on DO to on and DO3 to off and the module returns a valid response Command 40207 Response gt For the tM C8 module sets DOO to on DO1 to on DO2 to on and other channels to off and the module returns a valid response Related Commands Section 2 21 AA Related Topics Section 1 10 DIO Active States Notes This command is only applicable to the modules with digital output channels 66 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 23 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 command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command de Delimiter character for an invalid command AA Address of the responding module 00 to FF There
14. key switch connected to the digital input channel of a module the input signal of the key stroke is a pulse signal as shown in the following figure A B C If we just use the read digital input status command to read the signal and we cannot send the command during the B period due to some reasons then we will lose the key stroke information However with the read latched digital input command we can still get the key stroke information even we are not able to send command in B period For details of the read latched digital input command please refer to Sections 2 17 and 3 1 124 tM P4C4 User Manual Rev A1 0 7PH 013 A10 A 7 DN Module The DN modules are the I O extension of the tM modules They can drive more power and heavy load User may use tM modules to control the DN modules to drive the loads tM P4C4 User Manual Rev A1 0 7PH 013 A10 125 A 7 1 DN SSR4 Output Channel 4 solid state relay contact Output Specifications Type Zero cross AC solid state relay output Rated Load 200 to 240 VAC Voltage Rated Load 4 Arms Current Surge Current 50 A Max Off State 15 0 mA Leakage Current Operate Time 1 2 cycle of voltage sine wave lms Input Impedance 1 5K Ohms Power Input 24 VDC DIN Rail Mounted 126 tM P4C4 User Manual Rev A1 0 7PH 013 A10 A 7 2 DN PR4 Output Channel 4 relay contact Output Specifications Type 1 Form C relay contact
15. of module 01 to 115200bps The module returns an invalid command because it is not in INIT mode Command 0101200A00 Response 01 Changes the Baud Rate of module 01 to 115200bps and the module is in INIT mode The module returns a valid response 26 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Related Commands Section 2 10 SAA2 Related Topics Section 1 9 Configuration Tables Section A 1 INIT pin Operation Notes Changes to the address and counter update direction 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 P4C4 User Manual Rev A1 0 7PH 013 A10 27 2 2 Description When the command is received it will allow all modules to read data and will store the data for later retrieval Syntax CHKSUM CR Delimiter character oe Synchronized sampling command Response There is no response with this command To access the data another command AA4 must be sent see Section 2 11 for details Examples Command No response Sends the synchronized sampling command Command 014 Response 10F0000 Sends a command to read the synchronized data The status byte of the response is 1 which means that it is the first time the synchronized data has been read after the previous command Command 014 Response 00F0000 Sends a command to read the synchronized data The status byte o
16. string 012 CR 1 Sum of the string 0 1 2 24h 30h 3 1h 32h B7h 2 Therefore the checksum is B7h and so CHKSUM B7 3 The command string with the checksum 012B7 CR Response string 01200600 CR 1 Sum of the string PO 1424074 07864074 0 21h 30h 31h 32h 30h 30h 36h 30h 30h 1AAh 2 Therefore the checksum is AAh and so CHKSUM AA 3 The response string with the checksum 01200600AA CR Note All characters should be in upper case tM P4C4 User Manual Rev A1 0 7PH 013 A10 23 Command Response Description e XQ gt gt Z Z Q O PTj rj ele NTO S o z Sets the Digital Output Reads the Digital Input Counter 2 9 Da Reads the firmware Version Dat Reads the communication protocol 2 19 Command Response Description Section N 09 NINIS Du N N 00 gt gt lS als Ex N pw fry Wid E N ER Eh A AA N n N ON N N 00 gt l gt lsl gt JEE Owe ES Es amp AA3EVV Sets the Timeout Settings AA4V AA Data Reads the PowerOn Safe Value AASV Sets the PowerOn Safe Value 24 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 1 AANNTTCCFF Description Sets the configuration of a module Syntax AANNTTCCFF CHKSUM CR AA NN TT CC FF Delimiter character Address of the module to be co
17. synchronized data and sets the status byte to 1 to indicate that this is the first time the synchronized data has been read Command 014 Response 0000F00 Reads the synchronized data for module 01 The module returns the synchronized data and sets the status byte to O to indicate that the synchronized data has been read Related Commands Section 2 2 46 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 12 AA5 Description Reads the reset status of a module Syntax AA5 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 5 Command to read the module reset status Response Valid Command AAS 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 S Reset status of the module 1 This is the first time the command has been sent since the module was powered on 0 This is not the first time the command has been sent since the module was powered on which denotes that there has been no module reset since the last AA5 command was sent 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 P4C4 User Manual Rev A1 0 7PH 013 A10 47 Examples Command 015 Response 011 Reads the reset status of module 01 The response shows that it is the first time the SAAS comman
18. the status of the latched digital input channels Syntax A A C CHKSUM CR Delimiter character AA Address of the module to be cleared 00 to FF C Command to clear the status of the latched digital input channels 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 1f the command syntax is incorrect there is a communication error or there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 51 Examples Command 01L0 Response FEFFOO Sends the command to read the status of the low latched digital input channels of module 01 and returns FFFF Command 01C Response 01 Sends the command to clear the status of the latched digital input channels of module 01 and returns a valid response Command 01L0 Response 000000 Sends the command to read the status of the low latched digital input channels of module 01 and returns OOOO Related Commands Section 2 17 AALS Notes 1 This command is only applicable to the modules with digital input channels 2 Both the status of the low and high latched digital input channels are cleared 52 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 15 AACN Description Clears the digital input counter of channel N Syntax AACN CHKSUM CR Delimiter ch
19. there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 43 Examples Command 012 Response 01400600 Reads the configuration of module 01 Related Commands Section 2 1 7 AANNTTCCFEF Related Topics Section 1 9 Configuration Tables 44 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 11 AA4 Description Reads the synchronized data that was retrieved by the last command Syntax 4 A4 CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 4 Command to read the synchronized data Response Valid Command S Data 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 S Status of the synchronized data 1 first read 0 not the first read Data Synchronized data See Section 1 9 for the 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 tM P4C4 User Manual Rev A1 0 7PH 013 A10 45 Examples Command 014 Response 01 Reads the synchronized data for module 01 An invalid command is returned because the command has not been issued in advance Command No response Sends the synchronized sampling command Command 014 Response 1000F00 Reads the synchronized data for module 01 The module returns the
20. watchdog status where Bit 7 O indicates that the host watchdog is disabled and 1 indicates that the host watchdog is enabled Bit 2 1 indicates that a host watchdog timeout has occurred and 0 indicates that no host watchdog timeout has occurred The host watchdog status is stored in EEPROM and can only be reset by using the AA1 command 70 tM P4C4 User Manual Rev A1 0 7PH 013 A10 There will be no response 1f the command syntax 1s incorrect there is 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 timeout 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 24 Section 2 26 AA1l Section 2 27 AA2 Section 2 28 AA3EVV Section 2 29 AA4V Section 2 30 AA5V Related Topics Section A 2 Dual Watchdog Operation tM P4C4 User Manual Rev A1 0 7PH 013 A10 71 2 26 AA1 Description Resets the host watchdog timeout status of a module Syntax AA1 CHKSUM CR Delimiter character AA Address of the module to be reset 00 to FF l Command to reset the host watchdog timeout status Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid c
21. 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 P4C4 User Manual Rev A1 0 7PH 013 A10 67 Examples Command 0107050N Response 01 Sets the name of module 01 to be 7050N and returns a valid response Command 01M Response 017050N Reads the name of module 01 and returns the name 7050N Related Commands Section 2 18 AAM 68 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 24 Description Informs all modules that the host is OK Syntax CHKSUM CR Delimiter character at Host OK command Response No response Examples Command No response Sends a Host OK command to all modules Related Commands Section 2 25 AAO Section 2 26 AA1 Section 2 27 AA2 Section 2 28 AA3EVV Section 2 29 AA4V Section 2 30 AA5V Related Topics Section A 2 Dual Watchdog Operation tM P4C4 User Manual Rev A1 0 7PH 013 A10 69 2 25 AAO 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 command t AASS CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command AA Address of the responding module 00 to FF SS Two hexadecimal digits that represent the host
22. 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 P4C4 User Manual Rev A1 0 7PH 013 A10 33 Examples Command 010B33 Response gt Sets DOS DO9 DO12 and DO13 to on and DO10 DO11 DO14 DO15 to off and the module returns a valid response Related Commands Section 2 3 AAQO data Section 2 4 AAOA data Section 2 6 AAIcDD Section 2 7 AAAcDD Section 2 8 AABcDD Section 2 13 SAA6 Section 2 21 AA Related Topics Section 1 10 DIO Active States Notes This command is only applicable to the modules with the number of digital output channels larger than eight 34 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 6 AA1cDD Description Sets a single digital output channel of the lower eight channels Syntax A A1cDD CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 1 Command to set a single digital output channel of the lower eight channels Cc Specifies the digital output channel to be set 0 to 7 DD 00 set the digital output channel to off 01 set the digital output channel to on Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command Delimiter character for an ignored command A host watchdog timeout has occurred the digital outpu
23. 0 Supported Modules tM P4C4 Valid starting channel 0x0000 0x0003 for DO output 0x0200 0x0203 to clear the DI counter value tM C8 Valid starting channel 0x0000 0x0007 for DO output tM P8 Valid starting channel 0x0200 0x0207 to clear the DI counter value tM P4C4 User Manual Rev A1 0 7PH 013 A10 99 3 7 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 7 1 04 0x04 Set the module address 3 7 2 05 0x05 Read the communication settings 3 7 3 06 0x06 Set the communication settings 3 7 4 32 0x20 Read the firmware version FTA 33 0x21 Set the DI counter edge 3 7 6 34 0x22 Read the DI counter edge setting 3 7 7 value 39 0x27 Set the DO power on value 3 7 8 40 0x28 Read the DO power on value 3 7 9 41 0x29 Set the DI O active states 3 7 10 42 0x2A Read the DI O active states 3 7 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 1 247 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details 100 tM P4C4 User Manual R
24. 4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 01AA Response gt Sets the DO value of module 01 to AA and the module returns a valid response Command 015P Response 01 Sets the power on DO value and the module returns a valid response Command 00155 Response gt Sets the DO value of module 01 to 55 and the module returns a valid response Command 015S Response 01 Sets the safe DO value and the module returns a valid response Command 014P Response 01AA00 Reads the power on DO value of module 01 The module returns AAOO which denotes that the power on DO value is AA Command 014S Response 015500 Reads the safe DO value of module 01 The module returns 5500 which denotes that the safe DO value is 55 Related Commands Section 2 29 AA4V Related Topics Section A 2 Dual Watchdog Operation Notes This command is only applicable to the modules with the digital output channels tM P4C4 User Manual Rev A1 0 7PH 013 A10 81 2 31 AAD Description Reads the miscellaneous settings of a module Syntax AAD CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF D Command to read the miscellaneous settings Response Valid Command AAT 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 VV Two hexadecimal digits that repres
25. A 7 4 RM 204 RM 208 RM 216 oooooooocccoooccccconncccconnnnononnos 129 4 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 Introduction The tM series is a family of network data acquisition and control modules providing digital input output and counter 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 via an RS 485 RS 232 bi directional serial bus standard Baud Rates are software programmable and transmission speeds of up to 115 2 Kbps 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 Init ha A 4d The tM series modules support TTL signal photo isolated digital input relay contact output solid state relay output and open collector output tM P4C4 User Manual Rev A1 0 7PH 013 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 o There is a way to check
26. P4C4 User Manual Rev A1 0 7PH 013 A10 Digital Input Output Data Format Table The data format of the response of the AA4 AA6 and AALS commands is the First Data the Second Data 00 The data format of the response of the AA command is the First Data the Second Data Note both the First Data and the Second Data are in two hexadecimal digits format Module The First Data The Second Data tM P8 DIO DI7 00 FF 00 tM P4C4_ DO1 DO4 00 0F DIl DI4 00 0F tM C8 DOI DO7 00 7F 00 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 10 DIO Active States The DIO read value of the tM modules are as follows DIO Inactive Active tM P8 8DI OFF ON 4DO OFF ON eno ADI OFF ON tM C8 8DO OFF ON ON means the DIO read value is 1 OFF means the DIO read value is 0 18 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 11 Mounting 1 11 1 Din Rail Mounting There are three new DIN rail models available Each is 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 1t can be easily connected to the earth ground The three new DIN rail models are as follows Partnumber Max number of modules Dimensions DRS 360 6 360mm x 35mm to earth ground tM P4C4 User Manual Rev A1 0 7PH 013 A10 19 Part number Max number of modules Dimensi
27. Sends the command to read the status of the low latched digital input channels of module 01 and returns FFFF Command 01C Response 01 Sends the command to clear the status of the latched digital input channels of module 01 and returns a valid response Command 01L0 Response 01000000 Sends the command to read the status of the low latched digital input channels of module 01 and returns 0000 Related Commands Section 2 14 AAC Related Topics Section 1 9 Configuration Tables Notes This command is only applicable to the modules with digital input channels tM P4C4 User Manual Rev A1 0 7PH 013 A10 57 2 18 AAM Description Reads the name of a module Syntax 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 command AA Data 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 Name Name string of 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 01M Response 01tP4C4 Reads the module name of module 01 and returns the name tP4C4 Related Commands Section 2 23 AAO Name 58 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 19 AAP Description Reads th
28. T 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 ASCII protocol Before using this command the rear slide switch must be in the INIT position The new protocol is saved in the EEPROM and will be effective after the next power on reset Response Valid Response AASC 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 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 P4C4 User Manual Rev A1 0 7PH 013 A10 61 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 19 SAAP 62 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 21 AA Description Reads the status of the digital input output ports Syntax AA CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF Response Valid command gt Data CHKSUM CR Invalid command AA CHKSUM CR gt Delimiter character for a valid c
29. aracter AA Address of the module to be cleared 00 to FF C Command to clear the digital input counter N The channel to be cleared 0 to F Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command 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 specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 53 Examples Command 032 Response 0300103 Reads counter data from channel 2 of module 03 and the returned counter value is 103 Command 03C2 Response 03 Clears the counter value of channel 2 of module 03 and returns a valid response Command 032 Response 0300000 Reads counter data from channel 2 of module 03 and the returned counter value is 3 Related Commands Section 2 9 AAN Notes This command is only applicable to the module with digital inputs 54 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 16 AAF Description Reads the firmware version of a module Syntax SAAF CHKSUMI CR Delimiter character AA Address of the module to be read 00 to FF F Command to read the firmware version Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character
30. ati Manian te 28 A A AN 29 DANO Data oai A A O 31 2S RAAB DIA h iiia ET NOORE 33 A T DD AA AAEE ESATEA NSS 35 ANNO EAA AE EATE RENSE 37 2o TAA BCDD A a A A ee ere recente 39 SIRAAN cire oe a T O 41 POS AA a a rey eer nore rene yore ees ane Ne eM rene eee reen 43 A stivestta toa asunbastyhneatveelneanitaiss oes iwess top tndeniudas 45 De ND PAD a dation vba O aa 47 DAD AAG ouaaa an a laste a 49 IBAS NO A E sel lad kidinsnes 51 O E E reer aera 53 SAAT oa ii tenves total atad sce unta Wet tiaataaenas 55 2 tM P4C4 User Manual Rev A1 0 7PH 013 A10 A A a eid Mods hea aerate asa 58 DO als P shies shi cactis toe csc aaa a aan 59 Dy DRY GCA O 61 De DW MOP PEA A tatoabeetadssauaales 63 PDI AD A AD so eE TE a R a tase 65 Ded RADO aaa 67 D E oia N 69 DII RAA O N Aa E 70 PIO ZAAT A e E E 72 ADT I N OEE A N E A 74 DDO SEV V oroi EEE TUE E A E 76 DD O EN A AI 78 O 80 O O O eet 208 82 2I DPN O A paises bates Papi tes hae tue tsetse Ala feeb 84 233 AR Dd A AE 86 DSA AAD VW A toda 88 3 Modbus RTU Protocol ie 90 3 1 O1 0x01 Read Col ios 91 3 2 02 0x02 Read Discrete InputS oooocnonnocccnncnononcccnononanananoss 93 3 3 03 0x03 Read Multiple Registers ooooooocccccnononcccccnononanonoss 94 3 4 04 0x04 Read Multiple Input Registers 00 0 0 eee 95 0 OS 0x05 Write Sme k Cola 96 3 6 15 0x0F Write Multiple CollS oononnooccnnnnnnoccccncnonananonoss 98 3 7 70 0x46 Read Write Module SettiMgS ccononnoccinnnnn
31. d has been sent since the module was powered on Command 015 Response 010 Reads the reset status of module 01 The response shows that there has been no module reset since the last SAAS command was sent Related Topics Section A 4 Reset Status 48 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 13 AA6 Description Reads the status of the digital input output channels Syntax SAA6 CHKSUMI CR Delimiter character AA Address of the module to be read 00 to FF 6 Command to read the digital input output channels Response Valid command Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command z Delimiter character for an invalid command AA Address of the responding module 00 to FF Data Status of the digital input output channels a four digit hexadecimal value followed by 00 See Section 1 9 for details There will be no response 1f the command syntax is incorrect there is a communication error or there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 49 Examples Command 016 Response 0F0000 Reads the digital input output channel status of module 01 and returns OFOOOOh which denotes that RL1 RL2 RL3 and RL4 are on and IN1 IN2 IN3 and IN4 are off Related Commands Section 2 21 AA Related Topics Section 1 9 Configuration Tables 50 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 14 AAC Description Clears
32. digital input value of the tM module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x02 02 03 Starting channel 2 Bytes 0x0020 0x003F 04 05 Input channel 2 Bytes 0x0001 0x0020 number Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x02 02 Byte count 1 Byte 1 03 Input channel 1 Byte Refer to the Supported Modules data section for details of the value Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x82 02 Exception code 1 Byte Refer to the Modbus standard for more details Supported Modules tM P4C4 Valid starting channel 0x0020 0x0023 for DI value tM P8 Valid starting channel 0x0020 0x0027 for DI value tM P4C4 User Manual Rev A1 0 7PH 013 A10 93 3 3 03 0x03 Read Multiple Registers This function code is used to read the current digital input counter value of the tM module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x03 02 03 Starting channel 2 Bytes 0x0000 0x001F numbers 04 05 Input channel 2 Bytes 0x0001 0x0020 number Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x03 02 Byte count 1 Byte 1 03 Input channel N x 2 Each channel can record a maximum counter value Bytes counter value up to 65535 OXFFFF
33. e communication protocol information Syntax AAP CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF P Command to read the communication protocol Response Valid Response AASC 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 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 The current protocol that is saved in the EEPROM that will be used at the next power on reset 0 the protocol set in the EEPROM is DCON 1 the protocol set in the EEPROM is Modbus RTU 3 the protocol set in the EEPROM is Modbus ASCII 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 P4C4 User Manual Rev A1 0 7PH 013 A10 59 Examples Command 01P Response 0110 Reads the communication protocol of module 01 and returns a response of 10 meaning that 1t 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 20 AAPN 60 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 20 AAPN Description Sets the communication protocol Syntax AAPN CHKSUM
34. e firmware version information of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x20 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x20 03 Major version 1 Byte 0x00 0xFF 04 Minor version 1 Byte 0x00 0xFF 05 Build version 1 Byte 0x00 0xFF Error Response 00 Address 1 Byte 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte Refer to the Modbus standard for more details 106 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 7 6 Sub function 33 0x21 Set digital input counter trigger edge This sub function code is used to set the digital input counter trigger edge value of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x21 03 Edge setting value 1 Byte Ox00 0x0F rising edge O falling edge For example 0x03 denotes that channels 0 1 are set as rising edge and channels 2 3 are set as falling edge Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x21 03 Edge setting value 1 Byte 0x00 OK others error Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard
35. ease refer to the Quick Start Guide for M P4C4 OEM l tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 8 Default Settings Default settings for the tM modules are as follows o o o o Module Address 01 DIO Type Type 40 Baud Rate 9600 bps Checksum disabled tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 9 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 Type Setting TT For tM modules the type code is fixed to 40 tM P4C4 User Manual Rev A1 0 7PH 013 A10 15 Data Format Setting FF 7 6 5 4 CU CS reserved CD Key Description CD Code tM P4C4 1 read only For other modules the code value can be changed by 7 AANNTTCCFF command and the default code value is 0 CS Checksum setting 0 Disabled 1 Enabled CU Counter update 0 The counter is updated when there is a falling edge in the input signal 1 The counter is updated when there is a rising edge in the input signal Note The reserved bits should be zero tM
36. eives 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 1 7000 Series Modules manual Set the module to INIT mode and communicate with the module using the following settings address 00 Baud Rate 9600bps and no checksum See Section A 1 for details tM P4C4 User Manual Rev A1 0 7PH 013 A10 117 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 1s reset as follows allowing 1t to
37. ent the miscellaneous settings as follows 7 6 5 4 3 2 1 Reserved OA IA Key Description OA IDO active state 0 output value 1 for relay active output value O for relay inactive 1 output value 0 for relay active output value 1 for relay inactive LA DI active state input value O for high voltage input value 1 for high voltage 0 input value 1 for non signal or the low voltage 1 input value O for non signal or the low voltage 82 tM P4C4 User Manual Rev A1 0 7PH 013 A10 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 01D Response 0101 Reads the miscellaneous settings of module 01 and returns 01 Related Commands Section 2 32 AADVV tM P4C4 User Manual Rev A1 0 7PH 013 A10 83 2 32 AADVV Description Sets the miscellaneous settings of a module Syntax AADVV CHKSUM CR AA D VV 84 Delimiter character Address of the module to be set 00 to FF Command to set the miscellaneous settings Two hexadecimal digits that represent the miscellaneous settings as follows 7 6 5 4 3 2 1 Reserved OA Key Description OA DO active state 0 output value 1 for relay active output value O for relay inactive 1 output value 0 for relay active output value 1 for relay inactive
38. epresent the timeout value in tenths of a second for example 01 denotes 0 1 seconds and FF denotes 25 5 seconds 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 74 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 012 Response 011FF Reads the host watchdog timeout value of module 01 and returns FF which denotes that the host watchdog is enabled and the host watchdog timeout value is 25 5 seconds Related Commands Section 2 24 Section 2 25 AAO Section 2 26 AAI1 Section 2 28 AA3EVV Section 2 29 AA4V Section 2 30 AA5V Related Topics Section A 2 Dual Watchdog Operation tM P4C4 User Manual Rev A1 0 7PH 013 A10 75 2 28 AA3EVV Description Enables disables the host watchdog and sets the host watchdog timeout 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 timeout value in tenths of a second for example 01 denotes 0 1 seconds and FF denotes 25 5 seconds 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
39. ev A1 0 7PH 013 A10 3 7 1 Sub function 00 0x00 Read module name This sub function code is used to read the name of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 03 06 Module name 4 Bytes 0x07 0x44 0x00 0x00 for tM P4C4 0x07 0x08 0x00 0x00 for tM C8 0x07 0x80 0x00 0x00 for tM P8 Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 101 3 7 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 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 Address 1 Byte 1 247 04 06 Reserved 3 Bytes 0x00 0x00 0x00 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 0x00 OK 03 Set address result 1 Byte Mesas 04 06 Reserved 3 Bytes 0x00 0x00 0x00 Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte OxC6 02 Pxc ptionicade i Byte Refer to the Modbus standard for more details 102
40. f the response is 0 which means that it is NOT the first time the synchronized data has been read after the previous command Related Commands Section 2 11 AA4 28 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 3 FAA0O Data Description Sets the digital output value of the lower eight channels Syntax a e a Delimiter character As Address of the module to be set 00 to FF 00 Command to set the digital output value of the lower eight channels Data A two digit hexadecimal value where bit O corresponds to DOO bit 1 corresponds to DO etc When the bit is 1 it denotes that the digital output channel is on and O denotes that the digital output channel is off Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command Delimiter character for an ignored command A host watchdog timeout has occurred the digital output channel s are set to safe value and the digital output value that was sent is ignored There will be no response 1f the command syntax 1s incorrect there is a communication error or there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 29 Examples Command 010033 Response gt Sets DOO DO1 DO4 and DOS to on and DO2 DO3 DO6 DO7 to off and the module returns a valid response Related Commands Section 2 4
41. for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 107 3 7 7 Sub function 34 0x22 Read digital input counter trigger edge value This sub function code is used to read the digital input counter trigger edge value of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x22 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x22 03 Edge setting value 1 Byte 0x00 0x0F rising edge O falling edge For example 0x03 denotes that channels 0 1 are set as rising edge and channels 2 3 are set as falling edge Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details 108 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 7 8 Sub function 39 0x27 Set the power on value This sub function code is used to set the power on value of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x27 03 Power on Value 1 Byte 0x00 0xFF 0x00 0x0F for tM P4C4 Ox00 OxFF for tM C8 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x28 03 Power on value 1 Byte 0x00 OK ot
42. for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF Data Firmware version string of 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 Command 02F Response 02B1 1 Reads the firmware version of module 02 and shows that it is version B1 1 tM P4C4 User Manual Rev A1 0 7PH 013 A10 55 2 17 AALS Description Reads the status of the latched digital input channels Syntax AALS CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF L Command to read the latched status S 0 read the low latched status 1 read the high latched status Response Valid command Data 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 Data Status of the latched digital input channels a four digit hexadecimal value followed by 00 See Section 1 9 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 56 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 01L0 Response 01 FFFFOO
43. for each channel 4 Sink Open collector 700 mA Channel 3 5 50VDC 3750VDC Contact for each channel RS 485 RS 232 N 8 1 1200 115200bps 10 VDC 30 VDC 0 5W Max 25 75 C 30 75 C 10 95 Non condensing 52mm x 27m x 98m 8 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 4 Block Diagrams 1 4 1 Block Diagram for the tM P4C4 LED module Embedded Controller E RS 485 Interface i RS 485 Interface tM P4C4 User Manual Rev A1 0 7PH 013 A10 DI COM DO PWR DO3 DICOM DO PWR DI DIO 1 5 Dimensions m Bottom View Back View Right Side View 10 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 6 Wiring 1 6 1 tM P4C4 wiring Input Type Readback as Readback as 5 dirag mH on 09 olx Bayh 08 ie cra a DS ptcomporwr To ST er ee Gaim DIX 0S lx Open Collector On Open Collector Off NPN i S e DICOM DO PWR DS picomno ut a ae E E dE Open Collector On Open Collector Off PNP Output d DI COMIDO PWR DIx tM P4C4 User Manual Rev A1 0 7PH 013 A10 11 1 6 2 Wiring Recommendations Use 26 12 AWG wire for signal connections Strip the wire to a length of 7 0 5mm Use a crimp 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 P4C4 User Manual Rev A1 0 7PH 013 A10 1 7 Quick Start Pl
44. hers error Error Response 00 Address 1 Byte 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 109 3 7 9 Sub function 40 0x28 Read the power on value This sub function code is used to read the power on value of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x28 Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x28 03 Power on value 1 Byte 0x00 0xFF 0x00 0x0F for tM P4C4 Ox00 OxFF for tM C8 Error Response 00 Address 1 Byte 01 Function code 1 Byte OxC6 02 Pxcenton code Brie Refer to the Modbus standard for more details 110 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 7 10 Sub function 41 0x29 Set DI O active states This sub function code is used to set the DI O active states of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x29 0x00 0x03 03 DI O active states 1 Byte Pee othe nbe bdon 0x00 0x03 for tM P4C4 0x00 and 0x02 for tM C8 0x00 and 0x01 for tM P8 DI O active states 7 6 5 4 3 2 1 0 Reserved OAS IAS Key Description OAS DO active state 0 output value 1 for relay active outp
45. iM P4C4 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 2010 ICP DAS All rights reserved Trademark The names used for identification only may be registered trademarks of their respective companies Date 2010 8 12 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 Table of Contents Ve TCO dE CUINA Nilda 5 More atorado i A 6 1 2 Terminal Asstenmenta ide 7 ka PECICALIONS ca 8 TA Block Di AS TAINS cacoriesenii a N ER 9 1 4 1 Block Diagram for the tM P4C4 ooon 9 Lo Dimen LOUIS ee ia A E E EN ES 10 RA A IEA N ENS INATA OO 11 LOLIM PACA WTN isis 11 1 6 2 Wiring Recommendations ooocccconooocnnccononannnnnononnnnnonoss 12 FAQS AA A Eo 13 Lis Derant SUNS ra id 14 O Conte uration LADICS iii al 15 TO DIO AC Ei id de 18 LEEMOS ES 19 111 1 Dine Rail Mounting did 19 eh 2 PeChini Call SUP POL Gina si 21 2 COIN POCO E O T 22 ZO AANNTTCCER sosa aL ESEE NEAS 23 A A ha ama the
46. ital input counter data of the specified channel 00000 to 65535 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 P4C4 User Manual Rev A1 0 7PH 013 A10 41 Examples Command 032 Response 0300103 Reads data from channel 2 of module 03 and the returned counter value is 103 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 15 AACN Notes This command is only applicable to the module with digital inputs 42 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 10 AA2 Description Reads the module configuration Syntax AA2 CHKSUMI CR Delimiter character AA Address of the module to be read 00 to FF 2 Command to read the module configuration Response Valid Command AATTCCFF CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command AA Address of the responding module 00 to FF TT Type code of the module should be 40 for DIO module CC Baud Rate code of the module see Section 1 9 for details FF Checksum and counter update direction settings of the module see Section 1 9 for details There will be no response if the command syntax is incorrect there is a communication error or
47. l channel to ON the latch value will become 0 0x0200 0x0207 to clear the DI counter value tM P8 Valid output 0x0107 to clear the DI latch value If setting this channel to chanel ON the latch value will become 0 0x0200 0x0207 to clear the DI counter value tM P4C4 User Manual Rev A1 0 7PH 013 A10 97 3 6 15 OxOF Write Multiple Coils This function code is used to write the digital output value of the tM module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x0F 02 03 Starting channel 2 Bytes 0x0000 Ox001F for DO output numbers 0x0200 0x0220 to clear the DI count value 04 05 Output channel 2 Bytes nace 0x0001 0x0020 06 Byte count 1 Byte 1 07 Output value 1 Byte A bit corresponds to a channel When the bit is 1 it denotes that the value of the channel that was set is ON If the bit is O it denotes that the value of the channel that was set is OFF Response 00 Address 1 Byte 1 247 01 Function code 1 Byte OxOF 02 03 Starting channel 2 Bytes The value is the same as byte 02 and numbers 03 of the Request 04 05 Input channel 2 Bytes The value is the same as byte 04 and number 05 of the Request Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte Ox8F 02 Exception code 1 Byte Refer to the Modbus standard for more details 98 tM P4C4 User Manual Rev A1 0 7PH 013 A1
48. nfigured in hexadecimal format 00 to FF New address of the module in hexadecimal format 00 to FE Type code should be 40 for DIO module New Baud Rate code see Section 1 9 for details The INIT pin must be connected to ground in order to change Baud Rates For the module with frame ground this is achieved by moving the rear slide switch to the INIT position See Section A 1 for details Used to set the counter update direction and checksum Section 1 9 The INIT pin must be connected to ground in order to change the checksum setting For the module with frame ground this is achieved by moving the rear slide switch to the INIT position See Section A 1 for details tM P4C4 User Manual Rev A1 0 7PH 013 A10 25 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter for a valid command 2 Delimiter for an invalid command If the Baud Rate or checksum settings are changed without connecting the INIT pin to ground or switching the rear 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 1f the command syntax is incorrect there 1s a communication error or there is no module with the specified address Examples Command 0102400600 Response 02 Changes the address of module 01 to 02 The module returns a valid response Command 0101200A00 Response 01 Changes the Baud Rate
49. nn s 100 3 7 1 Sub function 00 0x00 Read module name 101 3 7 2 Sub function 04 0x04 Set module address 102 3 7 3 Sub function 05 0x05 Read communication settings A cde AE E EA 103 3 7 4 Sub function 06 0x06 Set communication settings 104 3 7 5 Sub function 32 0x20 Read firmware version 106 3 7 6 Sub function 33 0x21 Set digital input counter trigger a K EE A aameasenn seelapinede tn wetinnerueacanaionsnees 107 3 7 7 Sub function 34 0x22 Read digital input counter tHeseredeo Vale il a a A 108 3 7 8 Sub function 39 0x27 Set the power on value 109 3 7 9 Sub function 40 0x28 Read the power on value 110 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 3 7 10 Sub function 41 0x29 Set DI O active states 111 3 7 11 Sub function 42 0x2A Read DI O active states 113 3 8 Modbus Address MappiNgS ccccccoooccnnnonoonnnnonccnnnannncnncnnnnnnos 114 O 116 4 1 Communicating with the module oo cccnnnnnccccnnnnnnnoccncnnnnno 117 APPEAR A SS 118 AMANTE MOUE enera e Gite alek cco ume hess aus 118 A 2 Dual Watchdog OperatlOM oooccccnnnooocnnnnonnonncnnnnnnnnonancnnnonns 120 A3 EME Ground no 121 AR Reset SAUS ei a N N 122 A 5 Safe Value and Power on Value of Digital Output 123 AG Latched Digital input di 124 Pe ADIN MO Md la 125 AL DN Rs tara ange 126 ATZ DNEPR A rn io isa 127 A 7 3 RM 104 RM 108 and RM 116 o ooooccciocccccnonnccnonns 128
50. ode 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 113 3 8 Modbus Address Mappings Address Description Attribute 30001 Counter value of digital input R 30004 40481 Firmware version low word R 40482 Firmware version high word R 40483 Module name low word R 40484 Module name high word R 40485 Module address valid range 1 247 R W 40486 Bits 5 0 R W Baud rate 0x03 OxOA Code 0x03 0x04 Ox05 0x06 Baud 1200 2400 4800 9600 Code Ox07 0x08 0x09 OXx0A 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 40489 Host watchdog timeout value 0 255 R W in 0 1s 40492 Host watchdog timeout count write O R W to clear 10033 Digital input value of channel 0 3 R 10036 10065 High latched values of DI R 10068 10073 High latched values of DO R 10076 10097 Low latched values of DI R 10100 114 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Address Description Attribute 10105 Low latched values of DO R 10108 00001 Digital output value of channel 0 3 R W 00004 00129 Safe value of digital outpu
51. ommand Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response 1f the command syntax is incorrect there is a communication error or there is no module with the specified address 72 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 010 Response 0104 Reads the host watchdog status of module 01 and shows that a host watchdog timeout has occurred Command 011 Response 01 Resets the host watchdog timeout 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 timeout has occurred Related Commands Section 2 24 Section 2 25 AAO Section 2 27 AA2 Section 2 28 AA3EVV Section 2 29 AA4V Section 2 30 AA5V Related Topics Section A 2 Dual Watchdog Operation tM P4C4 User Manual Rev A1 0 7PH 013 A10 73 2 27 AA2 Description Reads the host watchdog timeout 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 timeout value Response Valid command AAEVV CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command 7 Delimiter character for an invalid command 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 r
52. ommand Delimiter character for an invalid command or invalid type code AA Address of the responding module 00 to FF Data Status of the digital input output ports a four digit hexadecimal value See Section 1 9 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 tM P4C4 User Manual Rev A1 0 7PH 013 A10 63 Examples Command 01 Response gt 0F00 Reads the digital input output port status of module 01 and returns OFOOh which denotes that RL1 RL2 RL3 and RL4 are on and IN1 IN2 IN3 and IN4 are off Related Commands Section 2 13 AA6 Related Topics Section 1 9 Configuration Tables 64 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 22 AA Data Description Sets the digital output channels Syntax AA Data CHKSUM CR AA Data Delimiter character Address of the module to be set 00 to FF Data to be written to the digital output channels For the tM P4C4 it is a one digit hexadecimal value For the tM C8 it is a two digit hexadecimal value Bit 0 of the value corresponds to DOO and bit 1 of the value corresponds to DO1 etc When the bit is 1 it denotes that the digital output channel is on and O denotes that the digital output channel is off Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR gt Delimiter character
53. onding module 00 to FF Data Power on DO value or safe DO value They are two hexadecimal digits followed by 00 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 78 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 014S Response 010000 Reads the safe DO value of module 01 and returns 0000 Command 014P Response 01FFOO Reads the power on DO value of module 01 and returns FFOO Related Commands Section 2 30 AASV Related Topics Section 1 10 DIO Active States Section A 2 Dual Watchdog Operation Notes This command is only applicable to the modules with digital output channels tM P4C4 User Manual Rev A1 0 7PH 013 A10 79 2 30 AA5V Description Sets the current DO value as the power on DO value or the safe DO value Syntax AA5V CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF 5 Command to set the power on value or the safe DO value V P Sets the power on DO value S Sets 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 is a communication error or there is no module with the specified address 80 tM P
54. ons DRS 240 4 240mm x 35mm to earth ground Partnumber Max number of modules Dimensions DRS 125 2 125mm x 35mm to earth ground Note It is recommended that a 16 14 AWG wire is used to connect the DIN rail to the earth ground 20 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 12 Technical Support Should you encounter any problems while using the tM module and are unable to find the help you need in this manual or on our website please contact ICP DAS Product Support Email support icpdas com Website http www icpdas com service support htm 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 Sections 2 16 and 3 7 5 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 Any 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 comment
55. otes that the rsponse delay time value is 6ms Related Commands Section 2 33 AARD tM P4C4 User Manual Rev A1 0 7PH 013 A10 89 3 Modbus RTU 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 tM series modules support the Modbus RTU protocol The communication Baud Rates range from 1200bps to 115200bps The following Modbus functions are supported Function code Description Section 01 0x01 Read coils 3 1 02 0x02 Read discrete inputs 3 2 03 0x03 Read multiple registers 3 3 04 0x04 Read multiple input registers 3 4 05 0x05 Write single coil 3 5 15 0x0F Write multiple coils 3 6 70 0x46 Read write module settings 3 7 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 Ol Function code 1 Byte Function code 0x80 02 Exception code 1 Byte 01 If a CRC mismatch occurs the module will not respond 90 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 1 01 0x01 Read Coils This function code is used to read the current digital output readback value of the tM module Request 00 Address 1 By
56. red command A host watchdog timeout has occurred the digital output ports are set to safe value and the digital output value that was sent is ignored There will be no response 1f the command syntax is incorrect there is a communication error or there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 37 Examples Command 01A201 Response gt Sets DO2 to on and the module returns a valid response Related Commands Section 2 3 FAAOO data Section 2 4 AAOA data Section 2 5 FAAOB data Section 2 6 FAA1CDD Section 2 8 AABcDD Section 2 13 SAA6 Section 2 21 GAA Related Topics Section 1 10 DIO Active States Notes 1 This command is only applicable to the modules with digital output channels 2 This command is the same as the FAA1cDD command 38 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 8 AABcDD Description Sets a single digital output channel of the upper eight channels Syntax AABcDD CHKSUM CR Delimiter character AA Address of the module to be set 00 to FF B Command to set a single digital output channel of the upper eight channels Cc Specifies the digital output channel to be set 0 to 7 where 0 stands for channel 8 1 stands for channel 9 etc DD 00 set the digital output channel to off 01 set the digital output channel to on Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR
57. response if the command syntax is incorrect there is a communication error or there is no module with the specified address 76 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 013164 Response 01 Enables the host watchdog of module 01 and sets the host watchdog timeout value to 10 0 seconds The module returns a valid response Command 012 Response 01164 Reads the host watchdog timeout value of module 01 The module returns 164 which denotes that the host watchdog is enabled and the host watchdog timeout value is 10 0 seconds Related Commands Section 2 24 Section 2 25 AAO Section 2 26 AAI1 Section 2 27 AA2 Section 2 29 AA4V Section 2 30 AA5V Related Topics Section A 2 Dual Watchdog Operation Notes When a host watchdog timeout occurs the host watchdog is disabled The AA3EVV command should be sent again to reenable the host watchdog tM P4C4 User Manual Rev A1 0 7PH 013 A10 77 2 29 AA4V Description Reads the power on DO value or the safe DO value of a module Syntax AA4V CHKSUM CR Delimiter character AA Address of the module to be read 00 to FF 4 Command to read the power on DO value or the safe DO value V P Reads the power on DO value S Reads the safe DO value Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command q Delimiter character for an invalid command AA Address of the resp
58. s and suggestions related to the problem are welcome ICP DAS will reply to your request by email within three business days tM P4C4 User Manual Rev A1 0 7PH 013 A10 21 2 DCON Protocol 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 01 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 commands Section 2 2 and Section 2 24 which are sent to all modules but in both of these cases the modules do not reply to the command Command Format Leading Module Character Address 9Mmand CHKSUM Ch Response Format Leading Module Character Address Data CHKSUM CR CHKSUM A 2 character checksum which is present when CR 22 the checksum setting is enabled See Sections 1 9 Data Format Setting and 2 1 for details End of command character carriage return OxOD tM P4C4 User Manual Rev A1 0 7PH 013 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
59. t ports are set to safe value and the digital output value that was sent is ignored There will be no response 1f the command syntax is incorrect there is a communication error or there is no module with the specified address tM P4C4 User Manual Rev A1 0 7PH 013 A10 35 Examples Command 011201 Response gt Sets DO2 to on and the module returns a valid response Related Commands Section 2 3 AAQO data Section 2 4 AAOA data Section 2 5 HAAOB data Section 2 7 AAAcDD Section 2 8 AABcDD Section 2 13 AA6 Section 2 21 AA Related Topics Section 1 10 DIO Active States Notes 1 This command is only applicable to the modules with digital output channels 2 This command is the same as the AAAcDD command 36 tM P4C4 User Manual Rev A1 0 7PH 013 A10 2 7 AAAcCDD Description Sets a single digital output channel of the lower eight channels Syntax FAAACcDD CHKSUMI CR Delimiter character AA Address of the module to be set 00 to FF A Command to set a single digital output channel of the lower eight channels Cc Specifies the digital output channel to be set 0 to 7 DD 00 set the digital output channel to off 01 set the digital output channel to on Response Valid command gt CHKSUM CR Invalid command CHKSUM CR Ignored command CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command Delimiter character for an igno
60. t channel O R W 00132 3 00161 Power on value of digital output R W 00164 channel O 3 00193 Counter update trigger edge of R W 00196 channel O 3 00513 Write 1 to clear counter value of W 00518 channel0 3 00257 Protocol 0 DCON 1 Modbus RTU R W 00258 l0 Modbus RTU 1 Modbus ASCH R W 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 W 00265 IDI active state 0 normal 1 inverse R W 00266 DO active state 0 normal 1 inverse R W 00270 Host watch dog timeout status write 1 R W to clear host watch dog timeout status 00273 Reset status 1 first read after R powered on 0 not the first read after powered on tM P4C4 User Manual Rev A1 0 7PH 013 A10 115 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 contact CP DAS Product Support Contact information is located in Section 1 12 116 tM P4C4 User Manual Rev A1 0 7PH 013 A10 4 1 Communicating with the module If you attempt to communicate with the module and receive no response first check the following al Ensure that the supplied power 1s 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 rec
61. te 1 247 01 Function code 1 Byte 0x01 02 03 Starting channel 2 Bytes 0x0000 0x001F for DO readback numbers value 0x0020 0x003F for DI value 0x0040 0x005F for DIO Latch high value 0x0060 0x007F for DIO Latch low value 04 05 Output channel 2 Bytes 0x0001 0x001F number Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x01 02 Byte count 1 Byte 1 03 Output channel 1 Byte Refer to the Supported Modules readback value section for the details of the value Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte Ox81 02 Exception code 1 Byte Refer to the Modbus standard for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 91 Supported Modules tM P4C4 Valid starting 0x0000 0x0003 for DO readback value 0x0020 0x0023 for DI value 0x0040 0x0043 for DI Latch high value channel 0x0048 0x004B for DO Latch high value 0x0060 0x0063 for DI Latch low value 0x0068 0x006B for DO Latch low value tM C8 Valid startin 0x0000 0x0007 for DO readback value onne amp 0x0040 0x0047 for DO Latch high value 0x0060 0x0067 for DO Latch low value tM P8 Valid starting channel 0x0020 0x0027 for DI value 0x0040 0x0047 for DI Latch high value 0x0060 0x0067 for DI Latch low value 92 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 2 02 0x02 Read Discrete Inputs This function code is used to read the current
62. the command syntax is incorrect there is a communication error or there is no module with the specified address 86 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 01RD Response 0102 Reads the response delay time value of module 01 and returns 02 which denotes that the response delay time value 1s 2ms Related Commands Section 2 34 AARDVV tM P4C4 User Manual Rev A1 0 7PH 013 A10 87 2 34 AARDVV Description Sets the response delay time value of a module Syntax AARDVV CHKSUMI CR Delimiter character AA Address of the module to be set 00 to FF RD Command to set the response delay time 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 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 is a communication error or there is no module with the specified address 88 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Examples Command 01RDO6 Response 01 Sets the response delay time value to 6ms The module returns a valid response Command O1RD Response 0106 Reads the response delay time value of module 01 The module returns 06 which den
63. tion protocol of a module Request 00 Address 1 Byte 1 247 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 9 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 Modbus RTU protocol 0x03 Modbus ASCII protocol 09 10 Reserved 2 Bytes 0x00 0x00 104 tM P4C4 User Manual Rev A1 0 7PH 013 A10 Response 00 Address 1 Byte 1 247 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 0x00 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 1 247 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte Refer to the Modbus standard for more details tM P4C4 User Manual Rev A1 0 7PH 013 A10 105 3 7 5 Sub function 32 0x20 Read firmware version This sub function code is used to read th
64. ut value O for relay inactive 1 output value 0 for relay active output value 1 for relay inactive IAS DI active state 0 input value 1 for non signal or the low voltage input value O for high voltage 1 input value O for non signal or the low voltage input value 1 for high voltage Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x29 03 Power on value 1 Byte as others error tM P4C4 User Manual Rev A1 0 7PH 013 A10 111 Error Response 00 Address 1 Byte 1 247 01 Function code 1 Byte OxC6 02 Exception code 1 Byte Refer to the Modbus standard for more details Note After using the command the DIO active states will immediately change and will simultaneously clear the DI counter and latch values 112 tM P4C4 User Manual Rev A1 0 7PH 013 A10 3 7 11 Sub function 42 0x2A Read DI O active states This sub function code is used to read the DI O active states of a module Request 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte Ox2A Response 00 Address 1 Byte 1 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x2A 03 DI O active status 1 Byte Qx00 0x03 0x00 0x03 for tM P4C4 0x00 and 0x02 for tM C8 0x00 and 0x01 for tM P8 Error Response 00 Address 1 Byte 01 Function c
65. whether the module is reset please refer to Section A 4 Reset Status for details o For details of the safe value and power on value of the digital output please refer to Section A 5 Safe Value and Power on Value of Digital Output o The module with digital inputs provides the latched digital inputs please refer to Section A 6 Latched Digital Input for details o For details of the I O extension modules please refer to Section A 7 DN Module 6 tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 2 Terminal Assignment A _ A OO CJ O CO Co Aa A A A OOOO0OOOO0DO PA A AAA A AAA A Pi H H H H H H E EA DLOOM DOPWR CPron tM P4C4 OEM1 4 CH Isolated Digital Input amp 4 CH Isolated Digital Output Module OOOO000O tM P4C4 User Manual Rev A1 0 7PH 013 A10 1 3 Specifications Digital Input Input Channels Input Type On Voltage Level Off Voltage Level Input Impedance Intra module Isolation Field to Logic 4KV ESD Protection Digital Onput Output Channels Output Type Max Load Current Load Voltage Intra module Isolation Field to Logic 4KV ESD Protection Interface Interface Format Baud Rate LED Display 1 LED as Power Indicator Power Input Voltage Range Power Consumption Environment Operating Temperature Storage Temperature Humidity Dimensions Dimensions W x Hx D 4 source One common for all Inputs 3 5V 30V 1V max 3K Ohms 0 33W 3750VDC Contact

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