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M-7026 User Manual Warranty

1. Request 00 Address 1 Byte 1 to 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 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x05 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte The Baud Rate code see Section 1 9 1 for details 05 07 Reserved 3 Bytes 0 00 0x00 0x00 08 Protocol 1 Byte 0 DCON 1 Modbus RTU 09 10 Reserved 2 Bytes 0x00 0x00 Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 Reserved bits should filled with zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 161 M 7026 3 4 4 Sub function 06 0x06 Set the Communication Protocol This sub function code is used to set the communication protocol to be used by the 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 The Baud Rate code see Section 1 9 1 for details 05 07 Reserved 3 Bytes 0 00 0x00 0x00 08 Protocol 1 Byte 0 DCON 1 Modbus RTU 09 10 Reserved 2 Bytes 0 00 0x00 11 Reserved 1 Bytes 0x00 Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x06 03 Reser
2. Section 2 60 AADACi Section 2 63 AAEATCi Section 2 66 Section 2 67 AARAO Section 2 70 AARHCi M 7026 User Manual Rev 1 4 Date 2015 09 17 132 M 7026 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 133 M 7026 2 65 AALO Data Ci Description This command is used to enable the low alarm for a specific Analog Input channel of a specified module and set the low alarm limit Syntax AALO Data Ci CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF LO The command to enable the low alarm for the Analog Input channel Data The low alarm limit for the Analog Input channel which should be consistent with the Engineering Units format Refer to Section 1 9 4 for details of the data format Ci i specifies the Analog Input channel to be set zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01LO 03 000C1 Response 01 Enables the low alarm for Analog Input channel 1 of module 01 and sets t
3. eran 15 1 81 Analog IUE caeso od teh eet i 15 1 8 2 Analog 16 1 9 auct oot ot eiae tubes S 17 1 9 1 Baud Rate Settings 17 1 9 2 Analog Input Type Code Settings TT 17 1 9 3 Data Format Settings 18 1 9 4 Analog Input Type Codes and Data Format 19 1 9 5 Analog Output Type Codes and Data Format 20 1 9 6 Analog Output Slew Rate 20 T EO MESZ000INOIGS ioi Eten obti er RE RERUM 21 1 10 1 Protocol ui iacet sodes oc at ar e qoid 21 1 10 2 INIT MOCO 77 2 IDOON POIL eite eet eset 23 PAANN PT COF E better 30 LE cuento NIC de PO ON SR 32 LESE Dy T 33 2 ds HAAN eet eh d DH DP eS DR 35 2 5 AAN Data ees Qu NIU Sa ead 36 PROMEC LUNETTES 38 271 PON S cei Ales aii b eR S E LU Md SIE iL 40 2 D AINT tips cies tes totes duc tie de E E 42 2 9 oe HE 44 tA MERON EES 46 NE ora d ee te een 48 DAG S base EA M 50 M 7026 User Manual Rev 1 4 Date 2015 09 17 2 2 d SDAA ate pat a ARI eR 52 DV AE EEE AA E E TEET 53 SAAS VV MOI 54 ete ADU A A LM 55 DAPION actus dottore ud te hast
4. M 7026 User Manual Rev 1 4 Date 2015 09 17 178 M 7026 5 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 Watchdog circuit allows the module to operate 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 the controlled target from performing any erroneous operations M 7000 series modules include an internal Dual Watchdog making the control system more reliable and stable For more information regarding the Dual Watchdog refer to Chapter 5 of the Getting Started for M 7026 Modules manual that can be downloaded from the ICP DAS website M 7026 User Manual Rev 1 4 Date 2015 09 17 179 M 7026 5 3 Frame Ground Electronic circuits are constantly vulnerable to Electrostatic Discharge ESD which becomes worse a continental climate area Some 1 7000 and M 7000 modules feature a new design for the frame ground which provides a path for bypassing ESD allowing enhanced static protection ESD capabilities and ensures that the modul
5. The enable calibration command AAEV see Section 2 47 must be sent before this command is used See Section 1 8 1 for details Examples Command 010 Response 01 Attempts to perform an Analog Input span calibration on module 01 but a response indicating that the command was unsuccessful is returned because the Enable Calibration command AAEV see Section 2 47 was not sent in advance Command 01E1 Response 01 Enables calibration on module 01 and returns a response indicating that the command was successful Command 010 Response 01 Performs an Analog Input span calibration on module 01 and returns a response indicating that the command was successful Related Commands Section 2 8 AA1 Section 2 35 AAS1 Section 2 47 AAEV M 7026 User Manual Rev 1 4 Date 2015 09 17 38 M 7026 Related Topics Section 1 8 1 Analog Input Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 39 M 7026 2 7 Description The command is used to perform an Analog Output zero calibration on Analog Output channel N of a specified module Syntax AA1 CHKSUM CR Delimiter character AA The address of the module to be calibrated in hexadecimal format 00 to FF 0 The command to perform the Analog Output zero calibration N The Analog Output channel to be calibrated zero based 0 1 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indi
6. 2 41 AA4 Description This command is used to read whether Digital Output power on value and the Digital Output safe value for a specified module is either active or inactive Syntax AA4 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 4 The command to read the Digital Output power on value and the Digital Output safe value Response Valid Command AAPPSS CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF PP A two digit hexadecimal value representing the status of the Digital Output power on value where bit 0 corresponds to Digital Output channel 0 and bit 1 corresponds to Digital Output channel 1 etc When the bit is 0 it denotes that the Digital Output power on is inactive and 1 denotes that the Digital Output power on is active SS A two digit hexadecimal value representing the status of the Digital Output safe value where bit 0 corresponds to Digital Output channel 0 and bit 1 corresponds to Digital Output channel 1 etc When the bit is 0 it denotes that the Digital Output safe value is inactive and 1 denotes that the Digital Output safe value is active There will be no response if the command syntax is incorrect there is a communication error or there is no module with the spe
7. Command 010 10 000 Response gt Sets the output for Analog Output channel 0 of module 01 to 10 000 10 0 V and returns a response indicating that the command was successful Command 0140 Response 01 Stores the current Analog Output value as the power on value for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful The power on value for Analog Output channel 0 is set to 10 0 V immediately Command 0170 Response 01 10 000 Reads the power on value for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful with a value of 10 000 10 0 V Command 017F Response 01 Attempts to read the power on value for Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist M 7026 User Manual Rev 1 4 Date 2015 09 17 60 M 7026 Related Commands Section 2 5 AAN Data Section 2 13 AA4N Related Topics Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 61 M 7026 2 20 AA8Ci Description This command is used to read the Type Code information for a specific Analog Input channel of a specified module Syntax AA8Ci CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 8 The command to read the Type Code information f
8. M 7026 Related Commands Section 2 1 AANNTTCCFF Section 2 54 AACH Section 2 56 AACHi Section 2 69 AARH Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 147 M 7026 2 72 AARL Description This command is used to read the low latch values for all Analog Input channels of a specified module Syntax AARL CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RL The command to read the low latch values for all Analog Input channels Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The low latch values for all Analog Input channels The data format will be the same as that set by the AANNTTCCFF command Section 2 1 See Section 1 9 4 for details of 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 Examples Command 01RL Response 01 02 000 00 000 00 000 00 000 Reads the low latch values for all Analog Input channels of module 01 and returns a response indicating that the command was successful with the data in Engineering Units format Command 01CL Response
9. M 7026 User Manual Rev 1 4 Date 2015 09 17 141 M 7026 2 69 AARH Description This command is used to read the high latch values for all Analog Input channels of a specified module Syntax AARH CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RH The command to read the high latch values for all Analog Input channels Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The high latch values for all Analog Input channels The data format will be the same as that set by the AANNTTCCFF command Section 2 1 See Section 1 9 4 for details of 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 Examples Command 201RH Response 01 08 000 00 000 00 000 00 000 Reads the high latch values for all Analog Input channels of module 01 and returns a response indicating that the command was successful with the data in Engineering Units format Command 01CH Response 01 Clears the high latch values for all Analog Input channels of module 01 and returns a response indicating that the command was successful Command 201RH Response 01 00 000 00 00
10. 2015 09 17 15 1 8 2 Analog Output The Analog Output calibration procedure is as follows 1 2 Warm up the module for 30 minutes Set the Type Code to the type you wish to calibrate Refer to Section 2 23 for details Enable calibration Refer to Section 2 47 for details Set the zero Analog Output voltage current Refer to Section 2 5 for details Check the meter and trim the output until zero output is achieved Refer to Section 2 11 for details Send the Analog Output Zero Calibration command Refer to Section 2 7 for details Set the span Analog Output voltage current Refer to Section 2 5 for details Check the meter and trim the output until the span output is achieved Refer to Section 2 11 for details Send the Analog Output Span Calibration command Refer to Section 2 9 for details Notes 3 For Analog Output channels calibration must be performed for each channel individually so the calibration voltage current source should be connected to the specific channel that is to be calibrated When calibrating Types Codes 0 and 1 the jumper for the corresponding channel should be set to the current input position Calibration voltages and currents are shown below Calibration Voltages Current Umecwe 0 1 3 20mA M 7026 User Manual Rev 1 4 Date 2015 09 17 16 1 9 Configuration 1 9 1 Baud Rate Settings CC Bits 5
11. 25 0 mA but returns a response indicating that the command was unsuccessful because the output value of 25 000 25 mA is not within the valid range The output value will be restored to closest value defined in the range settings for the module M 7026 User Manual Rev 1 4 Date 2015 09 17 36 M 7026 Command 018 05 000 No Response Attempts to set the output value for Analog Output channel 8 of module 01 to 05 000 5 0 mA but returns no response indicating that channel 8 does not exist Related Commands Section 2 1 AANNTTCCFF Section 2 10 AA2 Section 2 22 AA9N Section 2 23 AA9NTTS Related Topics Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 37 M 7026 2 6 AA0 Description This command is used to perform an Analog Input span calibration on a specified module Syntax AAO0 CHKSUM CR Delimiter character AA The address of the module to be calibrated in hexadecimal format 00 to FF 0 The command to perform the Analog Input span calibration Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Note
12. 5 The status to be read 0 Reads the status of the low latched Digital Input and Digital Output channels 1 Reads the status of the high latched Digital Inout and Digital Output channels Response Valid Command Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The status of the latched Digital Output and Digital Input channels represented by a four digit hexadecimal value 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 Examples Command 01L1 Response 010200 Reads the status of the high latched Digital Output and Digital Input channels of module 01 and returns a response indicating that the command was successful with a value of 010200 showing that Digital Output channel 0 and Digital Input channel 1 are latched high Command 01C Response 01 Clears the status of the latched Digital Output and Digital Input channels of module 01 and returns a response indicating that the command was successful Command 01L1 Response 000000 Reads the status of the high latched Digital Output and Digital Input channels of module 01 and returns a response indicating that the command was successful with a value of 000000 showing that all high M
13. Syntax AAI CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF The command to read the status of the INIT switch the module Response Valid Command AAS CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF 5 The status of the INIT switch on the module 0 The INIT switch is currently in the INIT position 1 The INIT switch is currently in the Normal position 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 011 Response 010 Reads the status of the INIT switch on module 01 and returns a response indicating that the command was successful and showing that the switch is currently in the INIT position Related Commands None Related Topics Section 5 1 INIT Mode M 7026 User Manual Rev 1 4 Date 2015 09 17 77 M 7026 2 31 AALS Description This command is used to read the status of the latched Digital Input and Digital Output channels of a specified module Syntax AALS CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF L The command to read the status of the latched Digital Input and Digital Output channels
14. 6 Seconds Communication Programmable LED Indicator Display System LED Indicator Yes 1 LED as Power Communication Indicator LED Indicator 7 Segment LED Display Isolation Intra Module Isolation Field to Logic EMS Protection ESD IEC 61000 4 2 4 kV EFT 61000 4 4 4 kV Surge IEC 61000 4 5 3 kV Power Reverse Polarity Protection Yes Input Voltage Range 10 to 30 Vpc Consumption 1 8 W Mechanical Dimensions W x L x H 72 mm x 123 mm x 35 mm Installation DIN Rail or Wall Mounting Environment Operating Temperature 25 to 75 C Storage Temperature 40 to 85 C Humidity 10 to 95 RH Non condensing M 7026 User Manual Rev 1 4 Date 2015 09 17 1 4 2 I O Specifications Analog Input Channels 6 Wiring Differential 150 mV 500 mV 1 V 5 V 10 V Range 20 mA 0 to 20 mA 4 to 20 mA Jumper Selectable Resolution 16 bit ees Normal Mode 0 1 Fast Mode 40 5 San Rate Normal Mode 10 Hz Fast Mode 60 Hz Input Voltage 2 MQ Impedance Current 1400 Common Voltage Protection 200 Individual Channel Yes Configuration Over current Protection 50 mA max at 110 Vpc Overvoltage Protection 240 Vrms Analog Output Channels 2 Range 0 to 5 0 to 10 5 10 Voc 0 to 20 mA 4 to 20 m
15. 7 Default Settings The default settings for the M 7026 are Module Address 01 Analog Input Type Type 08 10 V to 10 V Analog Output Type Type 3 10 V to 10 V Protocol Modbus RTU Baud Rate 9600 bps Checksum disabled Engineering Units format Filter set at 60 Hz rejection OOOOOOO0O M 7026 User Manual Rev 1 4 Date 2015 09 17 14 1 8 Calibration Warning It is not recommended that calibration be performed until the process is fully understood 1 8 1 Analog Input The Analog Input calibration procedure is as follows 1 Warm up the module for 30 minutes 2 Set the Type Code to the type you wish to calibrate Refer to Section 2 18 for details 3 Enable calibration Refer to Section 2 47 for details 4 Apply the zero calibration voltage current 5 Send the Zero Calibration command Refer to Section 2 8 for details 6 Apply the span calibration voltage current 7 Send the Span Calibration command Refer to Section 2 6 for details 8 Repeat steps 3 to 7 three times Notes 1 The calibration voltage current source should be connected to channel 0 2 When calibrating Type Code OD the jumper for channel 0 should be set to the current input position 3 Calibration voltages and currents are shown below Calibration Voltage Current T T PE 0A 0C Code Zero 0V 0 Input Span 10 V 5 V 1 V 500mV 150mV 20 Input M 7026 User Manual Rev 1 4 Date
16. 7026 2 9 AA1N Description This command is used to perform an Analog Output span calibration on Analog Output channel N of a specified module Syntax AA1N CHKSUM CR Delimiter character AA The address of the module to be calibrated in hexadecimal format 00 to FF 1 The command to perform the Analog Output span calibration N The Analog Output channel to be calibrated zero based 0 1 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Note The enable calibration command AAEV see Section 2 47 must be sent before this command is used See Section 1 8 2 for details Example Command 01E1 Response 01 Enables calibration on module 01 and returns a response indicating that the command was successful Command 0112 Response 01 Performs a Analog Output span calibration on Analog Output channel 2 of module 01 and returns a response indicating that the command was successful Command 011F Response 01 Attempts to perform a Analog Output span calibration on Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful
17. 7026 User Manual Rev 1 4 Date 2015 09 17 78 M 7026 latched Digital Output and Digital Input channels have been cleared Command 01L2 Response 01 Attempts to read the status of the high latched Digital Output and Digital Input channels of module 01 but returns a response indicating that the command was unsuccessful because the status byte parameter was incorrect Related Commands Section 2 26 AAC Section 2 62 AADODD M 7026 User Manual Rev 1 4 Date 2015 09 17 79 M 7026 2 32 AAM Description This command is used to read the name of a specified module Syntax AAM CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF M The command to read the name of the module Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The name of the module as a string value 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 0107026 Response 01 Sets the name of module 01 to 7026 and returns a response indicating that the command was successful Command 01M Response 017026 Reads the name of module 01 and returns a response indicati
18. 7026 User Manual Rev 1 4 Date 2015 09 17 95 M 7026 Related Commands Section 2 5 AAN Data Section 2 43 AA5N Related Topics Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 96 M 7026 2 43 AASN Description This command is used to store the current Analog Output value as the safe value for Analog Output channel N of a specified module Syntax AA5N CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 5 The command to set the Analog Output safe value N The Analog Output channel to be set zero based 0 1 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 010 06 000 Response gt Sets the Analog Output value for Analog Output channel 0 of module 01 to 406 000 6 0 V and returns a response indicating that the command was successful Command 0150 Response 01 Sets the current Analog Output value as the Analog Output safe value for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful Comma
19. Baud Rate code see Section 1 9 1 for details change the Baud Rate the module should first be switched to INIT mode FF The command used to set the data format checksum and filter settings See Section 1 9 3 for details of the data format To change the checksum settings the module should first be switched to INIT mode Response Valid Command AA CHKSUM CR d Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command Note that if the Baud Rate or checksum settings are changed without first switching to INIT mode the module will return a response indicating that the command was invalid AA The address of the responding 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 Note Changes to the address Type Code Data Format and Filter settings take effect immediately after a valid command is received Changes to the Baud Rate and checksum settings take effect at the next power on reset Examples Command 960102000600 Response 02 Changes the address of module 01 to 02 and returns a response indicating that the command was successful Command 960202000602 Response 02 Sets the data format for module 02 to type 2 2 s complement hexadecimal The module returns a response indicating that the command was successf
20. Ci The Digital Input channel to be read zero based 0 2 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The counter value for the specified Digital Input channel 00000 65535 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 01RECO Response 0165535 Reads the counter data from Digital Input channel 0 of module 01 and returns a response indicating that the command was successful with a counter value of 65535 Command 901CECO Response 01 Resets the counter for Digital Input channel 0 of module 01 to the preset value and returns a response indicating that the command was successful Command 01RECO Response 0100000 Reads the counter data from Digital Input channel 0 of module 01 and returns a response indicating that the command was successful with a counter value of 0 Command 901 RECF Response 01 Attempts to read the counter data from Digital Input channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Digital Input channel 15 does not exist M 7026 User Manual Rev 1 4 Date 2015 09 17 140 M 7026 Related Commands Section 2 53 AACECi
21. Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF N The Analog Output channel to be set zero based 0 1 Data The Analog Output value see Section 1 9 5 for details of the data format Response Valid Command gt CHKSUM CR Invalid Command CHKSUM CR Ignored Command CHKSUM CR gt Delimiter character to indicate a valid command Delimiter character to indicate an invalid command because the Analog Output value Data is out of range The Analog Output value will be restored to the closest value defined in the range settings for the module Delimiter character to indicate that the module s Host Watchdog flag is set The command will be ignored and the Analog Output will be set to the configured Safe value 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 019000 Response 01 Sets the output range for Analog Output channel 0 of module 01 to 0 to 20mA and sets the slew rate to change immediately and returns a response indicating that the command was successful Command 010 05 000 Response gt Sets the output value for Analog Output channel 0 of module 01 to 05 000 5 mA and returns a response indicating that the command was successful Command 010 25 000 Response Attempts to set the output value for Analog Output channel 0 of module 01 to 25 000
22. Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF D The command to set the Digital Input and Digital Output configuration VV A two digit hexadecimal value representing the miscellaneous settings as indicated in the tables below 7 6 5 4 3 2 1 0 Reserved OA IA Key Description IA Bit 0 Specifies the active state of the Digital Input signal 0 An input value of 0 indicates that the input is floating An input value of 1 indicates that the input is connected to a COM port 1 An input value of 0 indicates that the input is connected to a COM port An input value of 1 indicates that the input is floating OA Bit 1 Specifies the active state of the Digital Output signal 0 An output value of 0 indicates that the output is inactive An output value of 1 indicates that the output is active 1 An output value of 0 indicates that the output is active An output value of 1 indicates that the output is inactive Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01D01 Response 01 M 7026 User Manual Rev 1 4 Date 2015 09 17 103 M 7026 Sets
23. Host Watchdog for module 01 and returns a response indicating that the command was successful and that a Host Watchdog timeout has occurred Command 011 Response 01 Resets the status of the Host Watchdog timeout for module 01 and returns a response indicating that the command was successful Command 010 Response 0100 Reads the status of the Host Watchdog for module 01 and returns a response indicating that the command was successful and showing that no Host Watchdog timeout has occurred Related Commands Section 2 36 Section 2 37 Section 2 39 AA2 Section 2 40 AA3ETT Related Topics Section 5 2 Dual Watchdog Operation M 7026 User Manual Rev 1 4 Date 2015 09 17 88 M 7026 2 39 AA2 Description This command is used to read the Host Watchdog timeout value for a specified module Syntax AA2 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 2 The command to read the Host Watchdog timeout value Response Valid Command AAEVV CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF E The status of the Host Watchdog 0 The Host Watchdog is disabled 1 The Host Watchdog is enabled VV A two digit hexadecimal value that represents the timeout value in tenths of a sec
24. be forgotten and there may be 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 l 7000 and M 7000 series has a special mode called the INIT mode When the module is powered on in INIT mode the configuration of the module is reset to the default settings shown below allowing it to be operated as normal 1 Address 00 2 Baud Rate 9600 bps 3 No checksum 4 Protocol The configuration information stored in the EEPROM is not changed and can be read by sending the AA2 CR command see Section 2 10 at 9600 bps There are also other commands that require the module to set to INIT mode before being used They are 1 SSAANNTTCCFF which is used when changing the Baud Rate and the checksum settings See Section 2 1 for details 2 AAPN see Section 2 34 for details Originally INIT mode was accessed by connecting the INIT terminal to the GND terminal Newer 1 7000 and M 7000 modules include an INIT switch located on the rear of the module to 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 Init Init Normal Normal M 7026 User Manual Rev 1 4 Date 2015 09 17 177 M 7026 INIT Switch
25. bps 3 No checksum 4 Protocol If communication with the module is not possible set the module to INIT mode and use the above settings to communicate with the module To read the current settings send the commands AA2 Section 2 10 and AAPN Section 2 34 The new communication settings will be effective after the next power on reset IC J E J SS jm LL ca C Hh e INIT Switch M 7026 User Manual Rev 1 4 Date 2015 09 17 22 2 DCON Protocol All communication with the M 7026 module consists of commands generated by the Host and responses transmitted by the module Each module has a unique ID number that is used for addressing purposes and is stored in non volatile memory The ID is set to 01 by default and can be changed by sending the appropriate user command All commands to the modules contain the ID number as the address meaning that only the addressed module will respond There are two exceptions to this however the command Section 2 2 and the command Section 2 36 which is sent to all modules but in these cases the modules do not respond to the command Command Format Delimiter Module Address Command CHKSUM CR Character Response Format Delimiter Module Address Data CHKSUM CR Character CHKSUM 2 character c
26. can be downloaded from the ICP DAS website at http www icpdas com Documentation for the Utility can be found in the Getting Started for 1 7000 Series Modules manual Setthe module to INIT mode and communicate with the module using address 00 and the DCON protocol See Section 1 9 for more details related to configuration settings 4 2 Reading Data If the data read from the input channel is not correct first check the following Ensure that the Type Code and data format settings are correct The Type Code is set by using the AA7CiRrr command see Section 2 18 The data format is set by using the AANNTTCCFF command see Section 2 1 If you are using the Modbus RTU protocol the Type Code is set by using sub function 08h of the 46h function Ifthe voltage read by the module is incorrect it may be because the calibration parameters stored in the non volatile memory are corrupted You can calibrate the module by yourself but be sure to read the information contained in Section 1 8 before performing any calibration Use the AAS1 command Section 2 35 to reload the factory calibration parameters M 7026 User Manual Rev 1 4 Date 2015 09 17 176 M 7026 5 Appendix 5 1 INIT Mode Each 1 7000 and M 7000 module contains a built in EEPROM memory that can be used to store configuration information such as the module address the Type Code and the Baud Rate etc Occasionally the configuration of a module may
27. channels 0 to 1 40481 Reads the Firmware Version high word R 40482 Reads the Firmware Version low word R 40483 Reads the Name of the Module high word R 40484 Reads the Name of the Module low word R 40485 Reads the Module address The valid range is 0x1 R W to OxF7 40486 Reads writes the Baud Rate R W Bits 5 0 Baud Rate Bits 7 6 Reserved 40488 Reads writes the Response Delay Time in ms The R W valid range is 0 to 30ms 40489 Reads writes the Host Watchdog Timeout value in R W 0 1s increments The valid range is 0 to 255 40490 Reads the status of the Analog Input channel or R W sets the Analog Input channel to enabled or disabled 40492 Reads clears the Host Watchdog Timeout count R W Write 0 to clear Note The command to load the factory calibration parameters 00272 takes about 3 seconds to be processed Subsequent commands should not be sent before this time has elapsed M 7026 User Manual Rev 1 4 Date 2015 09 17 174 M 7026 3 6 Engineering Units Data Format Table The Modbus protocol supports the Engineering Units data format and the Type Code information is as follows Type Code Analog Input Type F S F S 07 4 to 20 mA 4000 20000 08 10 to 10 V 10000 10000 09 5 to 5 V 5000 5000 0A 1 to 1 V 10000 10000 0B 500 to 500 mV 5000 5000 0C 150 to 150 mV 15000 15000 0D 20 to 20 mA 20000 20000 1A 0 to 20 mA 0 200
28. character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01RAO Response 010020 Reads the current status of the alarms associated with module 01 and returns a response indicating that the command was successful and that a low alarm has occurred on Analog Input channel 5 Command 01CLC5 Response 01 Clears the status of the low alarm for Analog Input channel 5 of module 01 and returns a response indicating that the command was successful Command 01RAO Response 010000 Reads the current status of the alarms associated with module 01 and returns a response indicating that the command was successful and that no alarms have occurred Command 01CLCF Response 01 Attempts to clear the status of the low alarm for Analog Input channel 15 of module 01 and returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 60 Section 2 61 AADI Section 2 63 AAEATCi M 7026 User Manual Rev 1 4 Date 2015 09 17 120 M 7026 Section 2 65 AALO Data Ci Section 2 66 AARACi Section 2 67 AARAO Section 2 73 AARLCi M 7026 User Manual Rev 1 4 Date 2015 09 17 121 M 702
29. command syntax is incorrect there is a communication error or there is no module with the specified address Examples Command 01RD10 Response 01 Sets the response delay time for module 01 to 10 16 milliseconds and returns a response indicating that the command was successful Command 01RD Response 0110 Reads the response delay time for module 01 and returns a response indicating that the command was successful with a value of 10 indicating 16 milliseconds meaning that all responses will be sent after 16 milliseconds have elapsed Related Commands Section 2 51 AARDTT M 7026 User Manual Rev 1 4 Date 2015 09 17 109 M 7026 2 51 AARDTT Description This command is used to set the response delay time for a specified module Syntax AARDTT CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF RD The command to set the response delay time TT A two digit hexadecimal value representing the response time value in milliseconds For example 01 denotes 1 millisecond and 1A denotes 26 milliseconds The value must be less than or equal to 1E Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF There will be no response if the command syntax is incorrect there
30. each Digital Input channel of a specified module are to be rising or falling Syntax AAEnn CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF E The command to set the counter edges for the Digital Input channels nn A two digit hexadecimal value representing the Digital Input channel where bit 0 corresponds to channel 0 and bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the counter edge for the channel will be set to falling and 1 denotes that the counter edge for the channel will be set to rising Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01E3A Response 01 Sets the counter edges for Digital Input channels 0 1 3 4 and 5 of module 01 to rising and the counter edges for all other Digital Input channels to falling The module returns a response indicating that the command was successful Command 01E Response 013A Reads the status of the counter edges for all Digital Input channels on module 01 and returns a response indicating that the command was successful with a valu
31. hexadecimal format 00 to FF RL The command to read the low latch value for the Analog Input channel i The Analog Input channel to be read zero based 0 5 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The low latch value for the specified Analog Input channel The data format will be the same as that set by the AANNTTCCFF command Section 2 1 See Section 1 9 4 for details of 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 Examples Command 01RLO Response 01 02 000 Reads the low latch value for Analog input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 02 000 2 0 V in Engineering Units format Command 01CLO Response 01 Clears the low latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful Command 01RLO Response 01 00 000 Reads the low latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 00 000 0 0 V in Engineering Units format Command 01RLF Response 01 Attempts to read
32. of the module to be read in hexadecimal format 00 to FF N The Analog Input channel to be read zero based 0 5 Response Valid Command gt Data CHKSUM CR Invalid Command AA CHKSUM CR gt Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The data from the specified Analog Input channel See Section 1 9 4 for details of 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 Examples Command 032 Response gt 025 13 Reads data from Analog Input channel 2 of module 03 and returns a response indicating that the command was successful and that the Analog Input value is 025 13 25 13 mV Command 02F Response 02 Attempts to read data from Analog Input channel 15 of module 02 but returns a response indicating that the command was unsuccessful because channel 15 does not exist Related Commands Section 2 1 9SSAANNTTCCFF Section 2 3 AA Section 2 10 AA2 Section 2 18 AA7CiRrr Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 35 M 7026 2 5 AAN Data Description This command is used to set the output value for Analog Output channel N of a specified module Syntax AAN Data CHKSUM CR
33. the miscellaneous settings for module 01 to 01 meaning that the Digital Output channels are in inactive mode and returns a response indicating that the command was successful Command 01D Response 0101 Reads the miscellaneous settings for module 01 and returns a response indicating that the command was successful with a value of 01 which denotes that the Digital Output channels are in inactive mode Related Commands Section 2 45 AAD Section 2 61 AADI Section 2 62 AADODD M 7026 User Manual Rev 1 4 Date 2015 09 17 104 M 7026 2 47 AAEV Description This command is used to enable or disable calibration for a specified module Syntax AAEV CHKSUM CR Delimiter character AA The address of the module where calibration is to be enabled or disabled in hexadecimal format 00 to FF E The command to set the calibration The command to enable or disable calibration 0 Disables calibration 1 Enables calibration Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Note This command must be sent before any other calibration command can be used Examples Com
34. to 0 Reserved Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 An incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 169 M 7026 3 4 11 Sub function 42 0x2A Write the Miscellaneous Settings This sub function code is used to set the miscellaneous settings for 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 Filter Settings Settings 0 60 Hz Rejection 1 50 Hz Rejection Bit 6 Reserved Bit 5 Mode Settings 0 Normal Mode 1 Fast Mode Bits 4 to 0 Reserved Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 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 0xC6 02 Exception Code 1 Byte 03 Reserved bits should be filled with Zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 170 M 7026 3 5 Address Mappings The Modbus address mappings for the M 7026 is as follows Address Description Attribute 00001 Reads the current status of the Digital Output or R W 00003 sets the Digital Output to either active or inactive 00129 Reads sets t
35. value and the Digital Output safe value for module 01 and returns a response indicating that the command was successful with a value of 0102 which denotes that the power on value for Digital Output channel 0 is active and is inactive for all other channels and that the safe value for Digital Output channel 1 is active and is inactive for all other channels Related Commands Section 2 41 AA4 M 7026 User Manual Rev 1 4 Date 2015 09 17 100 M 7026 2 45 AAD Description This command is used to read the Digital Input and Digital Output configuration for a specified module Syntax AAD CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF D The command to read the Digital Input and Digital Output configuration Response Valid Command AAVV CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF VV A two digit hexadecimal value representing the miscellaneous settings as indicated in the tables below 7 6 5 4 3 2 1 0 Reserved OA IA Key Description IA Bit 0 Specifies the active state of the Digital Input signal 0 An input value of 0 indicates that the input is floating An input value of 1 indicates that the input is connected to a COM port 1 An input val
36. value of 06 000 6 0 V Command 01CH1 Response 01 Clears the high latch value for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful Command 01RH1 Response 01 00 000 Reads the high latch value for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful with a value of 00 000 0 0 V signifying that the high latch value has been cleared Command 01CHF Response 01 Attempts to clear the high latch value for Analog Input channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands M 7026 User Manual Rev 1 4 Date 2015 09 17 117 M 7026 Section 2 54 AACH Section 2 69 AARH Section 2 71 AARHi M 7026 User Manual Rev 1 4 Date 2015 09 17 118 M 7026 2 57 AACL Description This command is used to clear the low latch value for all Analog Input channels of a specified module Syntax AACL CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF CL The command to clear the low latch values for all Analog Input channels Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format
37. 0 Loewe 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 1 9 2 Analog Input Type Code Settings TT Type Code Analog Input Type 07 4 to 20 mA 08 10 09 5 0A 1 V 0B 500 mV 0C 150 mV 0 20 mA 1A 0 to 20 mA Note When Types Codes 07 OD or 1A are selected the jumper for the corresponding channel should be set to the current input position M 7026 User Manual Rev 1 4 Date 2015 09 17 17 1 9 3 Data Format Settings FF 7 6 5 4 3 2 1 0 Description Data Format 00 Engineering Units 01 of FSR full scale range 10 2 s complement hexadecimal Mode Settings 0 Normal Mode 16 bits 1 Fast Mode 12 bits Checksum Settings 0 Disabled 1 Enabled Filter Settings 0 60Hz Rejection 1 50Hz Rejection Note Reserved bits should be zero M 7026 User Manual Rev 1 4 Date 2015 09 17 18 1 9 4 Analog Input Type Codes and Data Format Type Code Input Type Data Format Engineering Units of FSR 2 s Complement Hexadecimal mA Engineering Units of FSR 2 s Complement Hexadecimal 10 to 10 Engineering Units of FSR 2 s Complement Hexadecimal Engineering Units of FSR 2 s Complement Hexadecimal Engineering Units of FSR 2 s Complement Hexad
38. 0 00 000 00 000 Reads the high latch values for all Analog Input channels of module 01 and returns a response indicating that the command was successful with the data in Engineering Units format Related Commands Section 2 1 AANNTTCCFF Section 2 54 AACH Section 2 56 AACHi Section 2 71 AARHi Related Topics M 7026 User Manual Rev 1 4 Date 2015 09 17 142 M 7026 Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 143 M 7026 2 70 AARHCi Description This command is used to read the high alarm limit for a specific Analog Input channel of a specified module Syntax AARHCi CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RH The command to read the high alarm limit for the Analog Input channel Ci The Analog Input channel to be read zero based 0 5 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The high alarm limit for the specified Analog Input channel in Engineering Units format See Section 1 9 4 for details of 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 Examples
39. 0 10 000 00 000 0 M 7026 User Manual Rev 1 4 Date 2015 09 17 50 M 7026 0 000 Sends the command to read the synchronized sampling data from module 01 The module returns a response indicating that the command was successful and containing the data in Engineering Units format that was stored when the synchronized sampling command was last issued The status byte of the response is 0 which means that it is NOT the first time the synchronized sampling data has been read since the previous command was received Related Commands Section 2 2 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 51 M 7026 2 13 AA4N Description This command is used to store the current Analog Output value as the power on value for Analog Output channel N of a specified module Syntax AA4N CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 4 The command to store the current Analog Output value as the power on value N The Analog Output channel to be set zero based 0 1 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF There will be no response if the command syntax is incorrect there is a communication er
40. 00 Type Code Analog Input Type ES F S 0 0 to 20 mA 0 20000 1 4 to 20 V 4000 20000 2 0 to 10 V 0 10000 3 10 to 10 V 10000 10000 4 0 to 5 V 0 5000 5 5 to 5 V 5000 5000 The under range value is 32768 and the over range value is 32767 For details of the hexadecimal data format refer to Section 1 9 4 and Section 1 9 5 M 7026 User Manual Rev 1 4 Date 2015 09 17 175 M 7026 4 Troubleshooting If you are having difficulties using your M 7026 module here are some suggestions that may help If you cannot find the answers you need in this guide contact ICP DAS Product Support 4 1 Communicating with the Module If you attempt to communicate with the module and receive no response first check the following Ensure that the supplied power is within the range of 10 to 30 If the supplied power is sufficient then the power LED should be on When the module receives a command the power LED will be set to OFF The power LED will be shown as ON after the module responds This method can be used to check whether or not the module has received a command sent from the host If possible use another device that is known to be functional to check whether the host can communicate with the device through the same network Ifthe host is a PC installed with a Windows operating system execute the DCON Utility to determine whether the module can be found The DCON Utility
41. 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 Examples Command 01RLO Response 01 05 000 Reads the low latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 05 000 5 0 V Command 01CL Response 01 Clears the low latch value for all Analog Input channels of module 01 and returns a response indicating that the command was successful Command 01RLO Response 01 00 000 Reads the low latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 00 000 0 0 V signifying that the low latch value has been cleared Related Commands Section 2 59 OAACLi Section 2 72 AARL Section 2 74 OAARLi M 7026 User Manual Rev 1 4 Date 2015 09 17 119 M 7026 2 58 AACLCi Description This command is used to clear the status of the low alarm for a specific Analog Input channel of a specified module Syntax AACLCi CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF CL The command to clear the status of the low alarm for the Analog Input channel Ci i specifies the Analog Input channel to be cleared zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter
42. 01 Clears the low latch values for all Analog Input channels of module 01 and returns a response indicating that the command was successful Command 01RH Response 01 00 000 00 000 00 000 00 000 Reads the low latch values from all Analog Input channels of module 01 and returns a response indicating that the command was successful with the data in Engineering Units format signifying that the low latch values have been cleared Related Commands Section 2 1 AANNTTCCFF Section 2 57 AACL Section 2 59 OAACLi Section 2 74 AARLIi M 7026 User Manual Rev 1 4 Date 2015 09 17 148 M 7026 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 149 M 7026 2 73 OAARLCI Description This command is used to read the low alarm limit for a specific Analog Input channel of a specified module Syntax AARLCi CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RL The command to read the low alarm limit for the Analog Input channel Ci The Analog Input channel to be read zero based 0 5 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data low alarm limit for the specified Analog Input chann
43. 4 Date 2015 09 17 56 M 7026 Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 57 M 7026 2 18 AA7CiRrr Description This command is used to set the Type Code for a specific Analog Input channel of a specified module Syntax AA7CiRrr CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 7 The command to set the channel Type Code Ci i specifies the Analog Input channel to be set zero based 0 5 Rrr rr represents the Type Code to be set for the Analog Input channel See Section 1 9 2 for details of the data format Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command or an invalid type code AA The address of the responding 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 Examples Command 9017 0808 Response 01 Sets the Type Code for Analog Input channel 0 of module 01 to 08 10 to 10 V and the module returns a response indicating that the command was successful Command 018C0 Response 01COR08 Reads the Type Code information for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a v
44. 6 2 59 OAACLI Description This command is used to clear the low latch value for a specific Analog Input channel of specified module Syntax AACLi CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF CL The command to clear the low latch value for the Analog Input channel i The Analog Input channel to be cleared zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01RL1 Response 01 06 000 Reads the low latch value for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful with a value of 06 000 6 0 V Command 01CL1 Response 01 Clears the low latch value for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful Command 01RL1 Response 01 00 000 Reads the low latch value for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful with a value of 00 000 0 0 V signifying that the low latch value has been cleared Command 01CL
45. 62 AADODD M 7026 User Manual Rev 1 4 Date 2015 09 17 127 M 7026 2 62 AADODD Description This command is used to set the Digital Output channels of a specified module to active or inactive Syntax AADODD CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF DO The command to set the Digital Output channels DD A two digit hexadecimal value representing the status of the Digital Output channels where bit 0 corresponds to Digital Output channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the Digital Output channel will be set to inactive and 1 denotes that the channel will be set to active Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Notes 1 If the Digital Output channel is already set as an alarm output then the value written to the channel will be ignored 2 If a Host Watchdog timeout occurs the module will return a response indicating that the command was invalid and the Digital Output value that was sent will be ignored Examples Command 201DO01 Response 01 Sets Dig
46. 7026 3 4 6 Sub function 08 0x08 Set the Analog Input Type Code This sub function code is used to set the Type Code for a specific Analog Input channel 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 Number 1 Byte 0x00 to 0x05 05 Type Code 1 Byte The Type Code see Section 3 6 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 0 OK Others Error Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 The Type Code is out of range the channel number is out of range reserved bits should be filled with Zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 165 M 7026 3 4 7 Sub function 32 0x20 Read the Firmware Version Information This sub function code is used to read the firmware version information for 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 0x00 to OxFF 04 Minor Version 1 Byte 0x00 to Ox
47. 76 4 1 Communicating with the Module 176 42 Reading sono odd vp bod 176 ey open eet ee 177 bel OCS a 177 5 2 Dual Watchdog 179 5 9 Frame COUN 180 5 4 Node Information 182 SISTI con ide tate ot o be ette cts 183 M 7026 User Manual Rev 1 4 Date 2015 09 17 5 1 Introduction The M 7000 series is a family of network data acquisition and control modules that provide 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 called the DCON 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 2 Kops can be selected A number of M 7000 modules feature a new design for the frame ground and INIT switch as shown in the figure rear view The frame ground provides enhanced static ESD protection abilities and ensures that the module is more reliable The INIT switch Frame Ground all
48. A Jumper Selectable Resolution 12 bit Accuracy 0 1 of FSR Output Capacity 10 V Q 20 mA Voltage Output Capability Open Wire Detection Yes for 4 to 20 mA only Power on Value Yes Programmable Safe Value Yes Programmable M 7026 User Manual Rev 1 4 Date 2015 09 17 10 Digital Input Counter Channels 3 Type Dry Contact Sink Source NPN PNP Source Dry On Voltage Level Close to GND Contact Off Voltage Level Open Max Count 65 535 16 bit Counter Mane phi 50 Hz Frequency Min Pulse Width 10 ms Input Impedance Channel to Channel Isolation Overvoltage Protection Digital Output Channels 3 Type Open Collector Sink Source NPN PNP Sink Load Voltage 3 5 to 50 Voc Max Load Current 700 mA Channel Overvoltage Protection 60 Voc Overload Protection Yes Short circuit Protection Yes Power on Value Yes Programmable Safe Value Yes Programmable M 7026 User Manual Rev 1 4 Date 2015 09 17 11 1 5 Block Diagram Vout0 Vout0 Vout1 Vout1 DIO DI1 DI2 COM DO0 DO1 DO2 COM M 7026 User Manual Rev 1 4 Date 2015 09 17 12 1 6 Application Wiring Voltage Input Vinx It E i D Vinx 88 Voltage Output New Version for ya be 3 5 M 7026 User Manual Rev 1 4 Date 2015 09 17 13 1
49. A CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The high latch value for the specified Analog Input channel The data format will be the same as that set by the AANNTTCCFF command Section 2 1 See Section 1 9 4 for details of 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 Examples Command 01RHO Response 01 08 000 Reads the high latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 08 000 8 0 V in Engineering Units format Command 01CH Response 01 Clears the high latch value for all Analog Input channels of module 01 and returns a response indicating that the command was successful Command 01RHO Response 01 00 000 Reads the high latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 00 000 0 0 V in Engineering Units format Command 01RHF Response 01 Attempts to read the high latch value for Analog Input channel 15 of module 01 but returns an response indicating that the command was unsuccessful because Analog Input channel 15 does not exist M 7026 User Manual Rev 1 4 Date 2015 09 17 146
50. ATS Reads the Configuration for a Specific Analog Output Channel AA Data Sets the Configuration for a Specific Analog Output Channel AANN Reads the Status of the Wire Connection for all Analog Output Channels M 7026 User Manual Rev 1 4 Date 2015 09 17 28 AA Data Reads the Safe Value for a Specific Analog Output Channel IAA Sets the Safe Value for a Specific Analog Output Channel Host Watchdog Command Sets Command Response Description LAU No Response The command to inform all modules that the Host is OK AA0 IAASS Reads the Status of the Host Watchdog Resets the Status of the Host Watchdog Timeout Reads the Timeout Settings for the Host Watchdog Enables or disables the Host Watchdog and sets the Host Watchdog Timeout Value AAPPSS Reads the Digital Output Power on Value and Digital Output Safe Value for the Module Sets the Digital Output Power on Value and the Digital Output Safe Value for the Module M 7026 User Manual Rev 1 4 Date 2015 09 17 29 M 7026 2 1 AANNTTCCFF Description This command is used to set the configuration for a specific module Syntax AANNTTCCFF CHKSUM CR Delimiter character AA The address of the module to be configured in hexadecimal format 00 to FF NN The new address of the module in hexadecimal format 00 to FF TT Not used by the M 7026 and should be set to 00 The new
51. 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 0x00 0x70 0x02 0x00 Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 An incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 159 M 7026 3 4 2 Sub function 04 0x04 Set the Address of the Module 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 02 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 The address that was 1 Byte 0 OK set Others Error 04 06 Reserved 3 Bytes 0x00 0x00 0x00 Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 The new address is out of range reserved bits should be filled with Zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 160 M 7026 3 4 3 Sub function 05 0x05 Read the Communication Protocol This sub function code is used to read the communication protocol currently being used by the module
52. CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF nn A two digit hexadecimal value representing the Digital Input channel where bit 0 corresponds to channel 0 and bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the counter edge for the channel is falling and 1 denotes that the counter edge for the channel is rising 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 01E3A Response 01 Sets the counter edges for Digital Input channels 0 1 3 4 and 5 of module 01 to rising and the counter edges for all other Digital Input channels to falling The module returns a response indicating that the command was successful Command 01E Response 013A Reads the status of the counter edges for all Digital Input channels on module 01 and returns a response indicating that the command was successful with a value of 3A which denotes that the counters edges for Digital Input channels 0 1 3 4 and 5 are rising and the counter edges for all other Digital Input channels are falling Related Commands Section 2 28 AAEnn M 7026 User Manual Rev 1 4 Date 2015 09 17 74 M 7026 2 28 AAEnn Description This command is used to specify whether the counter edges for
53. Command 01HI 08 000CO Response 01 Sets the high alarm limit for Analog Input channel 0 of module 01 to 08 000 8 0 V and returns a response indicating that the command was successful Command 01RHCO Response 01 08 000 Reads the high alarm limit for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful and that the high alarm limit is 08 000 8 0 V Command 01RHCF Response 01 Attempts to read the high alarm limit for Analog Input channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 55 AACHTCi Section 2 60 AADACi Section 2 63 AAEATCi Section 2 64 AAHI Data Ci Section 2 66 AARACi Section 2 67 M 7026 User Manual Rev 1 4 Date 2015 09 17 144 M 7026 AARAO Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 145 M 7026 2 71 AARHi Description This command is used to read the high latch value for a specific Analog Input channel of a specified module Syntax AARHi CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RH The command to read the high latch value for the Analog Input channel i The Analog Input channel to be read zero based 0 5 Response Valid Command AA Data CHKSUM CR Invalid Command A
54. F Response 01 Attempts to clear the low latch value for Analog Input channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands M 7026 User Manual Rev 1 4 Date 2015 09 17 122 M 7026 Section 2 57 AACL Section 2 72 AARL Section 2 74 AARLi M 7026 User Manual Rev 1 4 Date 2015 09 17 123 M 7026 2 60 OAADACI Description This command is used to disable the high and low alarms for a specific Analog Input channel of a specified module Syntax AADACi CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF DA The command to disable the high and low alarms for the Analog Input channel Ci The Analog Input channel where the alarms are to be disabled zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01RACO Response 011 Reads the Alarm Type for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful and that the Alarm Type is Momentary C
55. FF 05 Reserved 1 Byte 0x00 06 Build Version 1 Byte 0x00 to OxFF Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 Reserved bits should be filled with Zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 166 M 7026 3 4 8 Sub function 37 0x25 Read whether an Analog Input Channel is Enabled or Disabled This sub function code is used to read whether each channel of a module is enabled or disabled Request 00 Address 1 Byte 1 to 247 01 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 Status Byte 0x00 to OxOF the status of each channel Enabled disabled where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the channel is disabled and 1 denotes that the channel is enabled Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 An incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 167 M 7026 3 4 9 Sub function 38 0x26 Enable or Disable the Analog Input Channels This sub function code is used to specify which channels of a module are to be enabled or disabled R
56. Function 02 0x02 Read the Status of the Digital Input Channels This function code is used to read the status of the Digital Input for the module Request 00 Address Byte l to 247 01 Function Code Byte 0 02 02 03 Starting Channel 2 Bytes 0x20 to 0x22 where 0x20 corresponds to channel 0 and 0x21 corresponds to channel 1 etc 04 05 Number of Input 2 Bytes N 1 to 5 Starting channel N Channels N Response 00 Address Byte l to 247 01 Function Code Byte 0 02 02 Byte Count Byte 03 Data from Input Byte bit corresponds to a channel When the Channels bit is 0 it denotes that the channel is inactive If the bit is 0 it denotes that the channel is active Error Response 00 Address Byte 1 to 247 01 Function Code Byte 0x82 02 Exception Code Byte 03 the starting channel the number of input channels is out of range or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 155 M 7026 3 2 Function 04 0x04 Read the Analog 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 0403 04 05 Number of Input 2 Bytes N to 5 starting channel N Channels N R
57. HI The command to enable the high alarm for the Analog Input channel Data The high alarm limit for the Analog Input channel which should be consistent with the Engineering Units format Refer to Section 1 9 4 for details of the data format Ci i specifies the Analog Input channel to be set zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01HI 09 000C0 Response 01 Enables the high alarm for Analog Input channel 0 of module 01 and sets the high alarm limit to 09 000 49 0 V and returns a response indicating that the command was successful Command 01RHCO Response 01 09 000 Reads the high alarm limit for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 09 000 9 0 V Command 01HI 09 000CF Response 01 Attempts to enable the high alarm for Analog Input channel 15 of module 01 and set the high alarm limit to 09 000 9 0 V but returns an response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 55
58. M CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RAO The command to read the currently activated alarms associated with the module Response Valid Command AAHHLL CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF HH A two digit hexadecimal value representing the currently activated high alarms associated with the module where bit O corresponds to Analog Input channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that there are no activated high alarms associated with the channel When the bit is 1 it denotes that there is an activated high alarm associated with the channel LL A two digit hexadecimal value representing the currently activated low alarms associated with the module where bit O corresponds to Analog Input channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that there are no activated low alarms associated with the channel When the bit is 1 it denotes that there is an activated low alarm 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 the specified address Note Digital Output channel 0 will be active if a currently activated high or low alar
59. M 7026 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 nor for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 2013 ICP DAS All rights reserved Trademarks Names are used for identification purposes only and may be registered trademarks of their respective companies Date 2015 09 17 M 7026 User Manual Rev 1 4 Date 2015 09 17 1 Table of Contents dc UAT OG UIC 6 1 1 Applications niv erasa ie utet bun 7 1 2 IMTON IAT OM oci sae pr tL Re Suse Fe pet Eon ut Oe e 7 1 3 Pin Assignments aoa fes eset rptu be Up ior ub e eR ote Lesen 8 1 4 Specifications Jem 9 1 4 1 System Specifications 9 1 4 2 VO Specifications e aiite 10 T5 Block DIaaratmiz tel cease ten 12 1 6 Application Wiring rele tests 13 led Detail Settings 14 1 8 Calibration
60. M 7026 User Manual Rev 1 4 Date 2015 09 17 62 M 7026 Section 2 3 AA Section 2 4 AAN Section 2 18 AA7CiRrr Related Topics Section 1 9 2 Analog Input Type Code Settings Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 63 M 7026 2 21 AA8N Description This command is used to read the current output value for Analog Output channel N of a specified module Syntax AA8N CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 8 The command to be read the current Analog Output value N The Analog Output channel to be read zero based 0 1 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The current output value for the specified Analog Output channel See Section 1 9 5 for details of 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 Examples Command 010 01 000 Response gt Sets the output value for Analog Output channel 0 of module 01 to 01 000 1 0V and returns a response indicating that the command was successful Command 0180 Response 01 01 000 Reads the current output valu
61. R Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01T10 Response 01 Sets the timeout value for the software INIT function on module 01 to 16 seconds and returns a response indicating that the command was successful Command 011 Response 01 Enables the software INIT function on module 01 and returns a response indicating that the command was successful Command 01TFF Response 01 Attempts to set the timeout value for the software INIT function on module 01 to FF 255 seconds but returns a response indicating that the command was unsuccessful because the duration is greater than the permitted value 3C Related Commands Section 2 1 AANNTTCCFF Section 2 48 AAI M 7026 User Manual Rev 1 4 Date 2015 09 17 111 M 7026 2 53 AACECi Description This command is used to reset the counter for a specific Digital Input channel of a specified module Syntax AACECi CHKSUM CR Delimiter character AA The address of the module to be reset in hexadecimal format 00 to FF CE The command to reset the counter Ci i specifies the Digital Input channel where the counter is to be reset zero based 0 2 Response Valid Co
62. Read Write the Module Settings 158 3 4 1 Sub function 00 0x00 Read the Name of the WOU Cie io su ad et pit mma 159 3 4 2 Sub function 04 0x04 Set the Address of the cement HW Leer twa PEE MONT 160 3 4 3 Sub function 05 0x05 Read the Communication Protocol 161 M 7026 User Manual Rev 1 4 Date 2015 09 17 4 4 5 3 4 4 Sub function 06 0x06 Set the Communication 162 3 4 5 Sub function 07 0x07 Read the Analog Input WY DO e 164 3 4 6 Sub function 08 0x08 Set the Analog Input Type eas ge TOURS 165 3 4 7 Sub function 32 0x20 Read the Firmware Version RTOTEOE QUOD eae uds 166 3 4 8 Sub function 37 0x25 Read whether an Analog Input Channel is Enabled or Disabled 167 3 4 9 Sub function 38 0x26 Enable or Disable the Analog Input Channels 168 3 4 10 Sub function 41 0x29 Read the Miscellaneous SOIT cog mes epee cre buda t dt Aue eter 169 3 4 11 Sub function 42 0x2A Write the Miscellaneous mee Re mente 170 3 5 Address 171 3 6 Engineering Units Data Format Table 175 Troubleshooting iouis trn Ut eda Quito S teens den ode 1
63. Valid Command AAVV CHKSUM CR Invalid Command 2AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF VV A two digit hexadecimal value representing the Analog Input channel where bit 0 corresponds to channel 0 and bit 1 corresponds to channel 1 etc When the bit is O it denotes that the channel is disabled and 1 denotes that the channel is enabled 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 0150A Response 01 Enables Analog Input channels 1 and 3 on module 01 and disables all other Analog Input channels The module returns a response indicating that the command was successful Command 016 Response 010A Reads the status of the Analog Input channels on module 01 and returns a response indicating that the command was successful with a value of which denotes that Analog Input channels 1 and are enabled and all other Analog Input channels are disabled Related Commands Section 2 15 AA5VV M 7026 User Manual Rev 1 4 Date 2015 09 17 55 M 7026 2 17 Description This command is used to read the Analog Output value for Analog Output channel N of a specified module Syntax AA6N CHKSUM CR Delimiter character AA The address of t
64. When the bit is 0 it denotes that the channel is to be disabled and 1 denotes that the channel is to be enabled Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 0150A Response 01 Enables Analog Input channels 1 and 3 on module 01 and disables all other Analog Input channels The module returns a response indicating that the command was successful Command 016 Response 010A Reads the status of the Analog input channels on module 01 and returns a response indicating that the command was successful with a value of which denotes that Analog Input channels 1 and 3 are enabled and all other Analog Input channels are disabled Related Commands Section 2 16 AA6 M 7026 User Manual Rev 1 4 Date 2015 09 17 54 M 7026 2 16 AA6 Description This command is used to read whether each Analog Input channel of a specified module is either enabled or disabled Syntax AA6 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 6 The command to read the status of the Analog Input channels Response
65. alue of 08 denoting that the input range is 10 to 10 V Command 037C1RFF Response 03 Attempts to set the Type Code for Analog Input channel 1 of module 03 to FF The module returns a response indicating that the command was unsuccessful because the Type Code is incorrect Related Commands Section 2 20 AA8Ci Related Topics M 7026 User Manual Rev 1 4 Date 2015 09 17 58 M 7026 Section 1 9 2 Analog Input Type Code Settings Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 59 M 7026 2 19 AA7N Description This command is used to read the power on value for Analog Output channel N of a specified module Syntax AA7N CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 7 The command to read the Analog Output power on value N The Analog Output channel to be read zero based 0 1 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate a invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The power on value for the specified Analog Output channel See Section 1 9 5 for details of 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 Examples
66. ao ae 112 254 ONAGEL ce ou bet EDI dt ie ae 114 2 55 DAAC IAG audias etude dv mq tea lata 115 2 56 ACTI t eet ed nuoto tene d dede 117 DE re 2 9 ERNE ttu tum UN d UE EIE 119 2 6 sins erase ins teni i coe E 120 2569 o wt tedio tot deut e tos 122 2 00 AADACG ficu ae RI ume E ELO es iE 124 2 519 AADI siae tas aste 126 262 AADODD iid merida MM i a ED 128 2 09 m AAEATGOL eiui ente nie etm e brat epi Ate bends 130 2 64 AAFIDStaGL stetit ERE 132 2 65 QAALO Data Ci 134 ANS AARAG m ee Een eo ORE 136 2 67 NATAS e aviam nt HD MIA 138 2 69 OAARE Ge iiie Iss S MUN RUD 140 2 59 NADEL taco sert ebat rid qul tb dede cose 142 2 0 AREA itus ER anode as 144 2 7 OD ap edat 146 ette i ee eene tutte e uen eee bu metti 148 2 3 Oo PASEO e RAN Pe cust RE NOON Pr RDC DETR E E D RR 150 2TA CODAABLEL MOS ad NO od e rds 152 Modbus RTU Protocol sie usd teo ee m teo avide 154 3 1 Function 02 0x02 Read the Status of the Digital Input acie E LU 155 3 2 Function 04 0x04 Read the Analog Input Channels 156 3 3 Function 05 0x05 Write to a Single Digital Output Gharnrnelz b Addit d 157 3 4 Function 70 0x46
67. as been read since being powered on 00280 Clears the high latch values for all Analog Input W channels Write 1 to clear 00281 Clears the low latch values for all Analog Input W channels Write 1 to clear 00284 Enables or disables calibration or reads the status R W of the calibration function 0 Disabled 1 Enabled 00285 Sets the Analog Input zero calibration Write 1 to W set 00286 Sets the Analog Input span calibration Write 1 to W set 00289 Reads clears the status of the low alarm for R W 00294 channels 0 to 5 Write 1 to clear 00305 Reads clears the status of the high alarm for R W 00310 channels 0 to 5 Write 1 to clear 00321 Enables or disables the Analog Input Alarm or R W 00326 reads the status of the Analog Input Alarm 0 Disabled 1 Enabled 00337 Reads sets the Analog Input Alarm mode R W 00342 0 Momentary 1 Latched 00385 Clears the high latched Analog Input for channels 0 W M 7026 User Manual Rev 1 4 Date 2015 09 17 172 M 7026 00390 to 5 Write 1 to clear 00417 Clears the low latched Analog Input for channels 0 W 00422 to 5 Write 1 to clear 00513 Resets the Digital Input counter for channels 0 to 2 W 00515 Write 1 to reset 10033 Reads the status of the Digital Input for channels 0 R 10035 to 2 10065 Reads the status of the high latched Digital Input R 10067 channels 10073 Reads the status of the high la
68. because channel 15 does not exist Related Commands Section 2 7 AAON Section 2 11 AA3NVV Section 2 35 AAS1 Section 2 47 AAEV M 7026 User Manual Rev 1 4 Date 2015 09 17 44 M 7026 Related Topics Section 1 8 2 Analog Output Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 45 M 7026 2 10 AA2 Description This command is used to read the configuration of a specified module Syntax AA2 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 2 The command to read the configuration of the module Response Valid Command AATTCCFF CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF TT Not used by the M 7026 and should be 00 CC The Baud Rate code for the module See Section 1 9 1 for details of the data format FF The data format checksum and filter settings for the module See Section 1 9 3 for details of 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 Examples Command 012 Response 01000A00 Reads the configuration of module 01 The response indicates that the command was successful and shows that the address is 0x01 the Baud Rate is OA 115200 bps the fil
69. c Analog Input Channel AALO Data Ci Sets the Low Alarm Value for a Specific Analog Input Channel AARACi Reads the Alarm Mode for a Specific Analog Input Channel AARAO Reads the Status of the Analog Input Alarm for all Analog Input Channels AARH AA Data Reads the High Latch Values for all Analog Input Channels M 7026 User Manual Rev 1 4 Date 2015 09 17 21 AA Data Reads the High Alarm Limit for a Specific Analog Input Channel AA Data Reads the High Latch Value for a Specific Analog Input Channel AA Data Reads the Low Latch Values for all Analog Input Channels AA Data Reads the Low Alarm Limit for a Specific Analog Input Channel AA Data Reads the Low Latch Value for a Specific Analog Input Channel Analog Output Command Sets Command Response Description Data Sets the Analog Output for a Specific Channel Performs a Zero Calibration on a Specific Analog Output Channel Performs a Span Calibration on a Specific Analog Output Channel Trims the Calibration for a Specific Analog Output Channel Sets the Power on Value for a Specific Analog Output Channel AA Data Reads the Value for the Last Command received by a Specific Analog Output Channel AA Data Reads the Power on Value for a Specific Analog Output Channel AA Data Reads the Current Value for a Specific Analog Output Channel A
70. cate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to 1F 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 Note The enable calibration command AAEV see Section 2 47 must be sent before this command is used See Section 1 8 2 for details Example Command 01E1 Response 01 Enables calibration on module 01 and returns a response indicating that the command was successful Command 0101 Response 01 Performs an Analog Output zero calibration on Analog Output channel 1 of module 01 and returns a response indicating that the command was successful Command 010F Response 01 Attempts to perform an Analog Output zero calibration on Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because channel 15 does not exist Related Commands Section 2 9 AA1N Section 2 11 AA3NVV Section 2 35 AAS1 Section 2 47 AAEV M 7026 User Manual Rev 1 4 Date 2015 09 17 40 M 7026 Related Topics Section 1 8 2 Analog Output Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 41 M 7026 2 8 AA1 Description This command is used to perform an Analog Input zero calibration ona specified module Syntax AA1 CHKSUM CR Delimiter character AA The address of the modul
71. cified address Note Neither the Digital Output power on value nor the Digital Output safe value has any effect on Digital Output channels that are associated with alarm outputs Examples Command 0150102 Response 01 Sets the Digital Output power on value for module 01 to 01 indicating that the power on value for Digital Output channel 0 is active and is inactive for all others channels and sets the Digital Output safe value to 02 indicating that the safe value for Digital Output channel 1 is active and is inactive for all others channels and returns a response indicating that the command was successful M 7026 User Manual Rev 1 4 Date 2015 09 17 93 M 7026 Command 014 Response 010102 Reads the Digital Output power on value and the Digital Output safe value for module 01 and returns a response indicating that the command was successful with a value of 0102 which denotes that the power on value for Digital Output channel 0 is active and is inactive for all other channels and that the safe value for Digital Output channel 1 is active and is inactive for all other channels Related Commands Section 2 44 AA5PPSS M 7026 User Manual Rev 1 4 Date 2015 09 17 94 M 7026 2 42 AAAN Description This command is used to read the safe value for Analog Output channel N of a specified module Syntax AA4N CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 4 T
72. communication error or there is no module with the specified address Examples Command 01 Response 01 Enables the alarm function for Analog Input channel 0 of module 01 and sets the Alarm Type to Momentary and returns a response indicating that the command was successful Command 01RACO Response 011 Reads the status of the alarm for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful and that the alarm is enabled and the Alarm Type is Momentary Command 001 EAMCF Response 01 Attempts to enable the alarm for Analog Input channel 15 of module 01 and set the Alarm Type to Momentary but returns a response indicating that command was unsuccessful because the Analog Input channel 15 does not exist Related Commands Section 2 55 AACHCGi Section 2 58 AACLCi Section 2 61 AADI M 7026 User Manual Rev 1 4 Date 2015 09 17 130 M 7026 Section 2 60 Section 2 64 AAHI Data Ci Section 2 65 AALO Data Ci Section 2 66 AARAGi Section 2 67 AARAO Section 2 70 AARHGi Section 2 73 AARLCi M 7026 User Manual Rev 1 4 Date 2015 09 17 131 M 7026 2 64 AAHI Data Ci Description This command is used to enable the high alarm for a specific Analog Input channel of a specified module and set the high alarm limit Syntax AAHI Data Ci CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF
73. cond HImooOuU doo 1o0 iom o M 7026 User Manual Rev 1 4 Date 2015 09 17 20 1 10 M 7000 Notes The main difference between the 1 7000 and M 7000 series is that the M 7000 series has additional support for the Modbus RTU communication protocol which is the default protocol of the M 7000 series The communication Baud Rates for the Modbus RTU protocol can be in the range of 1200 bps to 115200 bps and the parity data and stop bits are fixed as no parity 8 data bits and 1 stop bit Modbus functions supported by the module are described in Chapter 3 1 10 1 Protocol Switching To switch to the DCON protocol 1 Uses sub function 06h of the function 46h and set byte 8 to a value of 1 See Section 3 4 4 for details 2 After a power on reset the communication protocol will be changed to DCON To switch to the Modbus RTU protocol 1 Sends the AAPN command and set N to a value of 1 Note that the slide switch on the rear side of the module should be set to INIT position see the figure on the next page See Section 2 34 for details 2 After a power on reset the communication protocol will be changed to Modbus RTU protocol M 7026 User Manual Rev 1 4 Date 2015 09 17 2 1 10 2 INIT Mode When the module is powered on with the rear slide switch set to INIT position as shown in the figure below the module is in INIT mode Section 5 1 and the communication settings are as follows 1 Address 00 2 Baud Rate 9600
74. dule 01 and returns a response indicating that the command was successful with a value of 00 meaning that the Host Watchdog is disabled and no Host Watchdog timeout has occurred Command 020 Response 0204 Reads the status of the Host Watchdog for module 02 and returns a response indicating that the command was successful with a value of 04 meaning that a Host Watchdog timeout has occurred Related Commands M 7026 User Manual Rev 1 4 Date 2015 09 17 86 M 7026 Section 2 36 Section 2 38 AA1 Section 2 39 AA2 Section 2 40 Related Topics Section 5 2 Dual Watchdog Operation M 7026 User Manual Rev 1 4 Date 2015 09 17 87 M 7026 2 38 AA1 Description This command is used to reset the status of the Host Watchdog timeout for a specified module Syntax AA1 CHKSUM CR Delimiter character AA The address of the module to be reset in hexadecimal format 00 to FF 1 The command to reset the status of the Host Watchdog timeout Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 010 Response 0104 Reads the status of the
75. e acetal 56 2 158 DAA GIA S et de biet tet a A 58 2190 7 60 2 20 essi tots ssa AED TERE Me D LUDUM ee Ove 62 PON FAA N d ed tentus bee te tute tu de pu 64 ZOO BABIN e 66 2 23 PARDON TS scontati ach a sense ea ane ura 68 2 24 PPD o utum LA I dees EU Sess Ed 70 2 290 PAA BO pests 72 2 26 T a 73 ess tentent ductae d PLONE AL uen 74 2B DAE IM RM 75 PALA VN tM UAE M ELMAR 76 77 2T DAA S S 78 292 80 233 DAE die 81 E 82 p 35 ITE LP E D DE E IDEE 84 LCD 85 CFA EE 86 c cft di eL AM es eel macs RIAL 88 PESCE E Wi es che 89 2 40 AASETI Emme de 91 PA DU 93 Qd ANN ee eto e EE E ue 95 NN S e et ae ette teeta 97 DAA RP Se eo crescents 99 ROR eh ATOR 101 2 ED V pa Em 103 2 47 AAEV EMEN IR RR AU CROP 105 cou ru A MEA D c E A ME 107 AO 108 2 DD AAPD c ev oret bat t ERG etur Ere 109 M 7026 User Manual Rev 1 4 Date 2015 09 17 3 21 SAARD TT S asi atat taste 110 AACN 111 259 P AAG EOD
76. e command to read the synchronized sampling data Response Valid Command AAS Data CHKSUM CR Invalid Command 2OAA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF S The status of the synchronized sampling data 0 This is the first time the data has been read 1 This is NOT the first time the data has been read Data The synchronized sampling data See Section 1 9 4 for details of 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 Examples Command No response Sends the synchronized sampling command instructing every Analog Input module to read data from every input channel and store the data for later retrieval Command 014 Response gt 011 00 000 00 100 01 000 10 000 00 000 0 0 000 Sends the command to read the synchronized sampling data from module 01 The module returns a response indicating that the command was successful and containing the data in Engineering Units format that was stored when the synchronized sampling command was last issued The status byte of the response is 1 which means that it is the first time the synchronized sampling data has been read since the previous command was received Command 014 Response gt 010 00 000 00 100 01 00
77. e for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful with a value of 01 000 1 0 V Command 018F Response 201 Attempts to read the current output value for Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist Related Commands Section 2 5 AAN Data Section 2 17 AA6N Section 2 23 AA9NTS Related Topics M 7026 User Manual Rev 1 4 Date 2015 09 17 64 M 7026 Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 65 M 7026 2 22 AA9N Description This command is used to read the configuration for Analog Output channel N of a specified module Syntax AA9N CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 9 The command to read the Analog Output configuration N The Analog Output channel to be read zero based 0 1 Response Valid Command AATS CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF T The Analog Output Type Code See Section 1 9 5 for details of the data format 5 The Analog Output Slew Rate See Section 1 9 6 for details of the data format There will be n
78. e is more reliable Either of the following options will provide better protection for the module If the module is DIN Rail mounted connect the DIN Rail to the earth ground This is because the DIN Rail is in contact with the upper frame ground as shown in the figure below 2 Alternatively connect the lower frame ground terminal to a wire and connect the wire to the earth ground as shown in the figure below Frame Ground Init Normal New DIN Rail models are available that can easily be connected to the earth ground Each rail 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 as shown in the figure below M 7026 User Manual Rev 1 4 Date 2015 09 17 180 M 7026 M 7026 User Manual Rev 1 4 Date 2015 09 17 181 M 7026 5 4 Node Information Area Each l 7000 and M 7000 module has a built in EEPROM that can be used to store configuration information such as the module address the Type Code and the Baud Rate etc One minor drawback is that there may be no visual indications of the configuration of the module Newer l 7000 and M 7000 modules include Node Information areas that are protected by a cover as shown below and can be used to make a written record of the node information such a
79. e of 3A which denotes that the counter edges for Digital Input channels 0 1 3 4 and 5 are rising and the counter edges for all other Digital Input channels are falling Related Commands Section 2 27 AAE M 7026 User Manual Rev 1 4 Date 2015 09 17 75 M 7026 2 29 AAF Description This command is used to read the firmware version information for a specified module Syntax AAF CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF F The command to read the firmware version information Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The firmware version information for the module as a string value 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 information for module 01 and returns a response indicating that the command was successful and showing that the current firmware is version A1 0 Related Commands None M 7026 User Manual Rev 1 4 Date 2015 09 17 76 M 7026 2 30 AAI Description This command is used to read the status of the INIT switch on a specified module
80. e status of the high alarm for a specific Analog Input channel of a specified module Syntax AACHCi CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF CH The command to clear the status of the high alarm for the Analog Input channel Ci i specifies the Analog Input channel to be cleared zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01RAO Response 018000 Reads the current status of the alarms associated with module 01 and returns a response indicating that the command was successful and that a high alarm has occurred on Analog Input channel 7 Command 01CHCO Response 01 Clears the status of the high alarm for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful Command 01RAO Response 010000 Reads the current status of the alarms associated with module 01 and returns a response indicating that the command was successful and that no alarms have occurred Command 01CHCF Response 01 Attempts to clear the status of the high a
81. e to be calibrated in hexadecimal format 00 to FF 1 The command to perform the Analog Input zero calibration Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Note The enable calibration command AAEV see Section 2 47 must be sent before this command is used See Section 1 8 1 for details Examples Command 011 Response 01 Attempts to perform an Analog Input zero calibration on module 01 but a response indicating that the command was unsuccessful is returned because the Enable Calibration command AAEV see Section 2 47 was not sent in advance Command 01E1 Response 01 Enables calibration on module 01 and returns a response indicating that the command was successful Command 011 Response 01 Performs an Analog Input zero calibration on module 01 and returns a response indicating that the command was successful Related Commands Section 2 6 AAO Section 2 35 AAS1 Section 2 47 AAEV Related Topics M 7026 User Manual Rev 1 4 Date 2015 09 17 42 M 7026 Section 1 8 1 Analog Input Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 43 M
82. ecimal 500 to 500 mV Engineering Units of FSR 2 s Complement Hexadecimal 150 to 150 mV Engineering Units of FSR 2 s Complement Hexadecimal 20 to 20 Engineering Units of FSR 2 s Complement Hexadecimal M 7026 User Manual Rev 1 4 Date 2015 09 17 19 1 9 5 Analog Output Type Codes and Data Format Output Type Data Format Min 0 to 20 Engineering Units 00 000 mA 2 s Complement Hexadecimal 0000 4 to 20 Engineering Units F 04 000 mA 2 s Complement Hexadecimal 0000 0 to 10 Engineering Units F 00 000 V 2 s Complement Hexadecimal 0000 10to 10 Engineering Units 10 000 2 s Complement Hexadecimal 8000 0 to 5 Engineering Units Hm 00 000 2 s Complement Hexadecimal 0000 5 to 5 Engineering Units 05 000 V 2 s Complement Hexadecimal 8000 1 9 6 Analog Output Slew Rate Control Immediate Change 0 0625 V Second or 0 125 mA Second 0 125 V Second or 0 25 mA Second 0 25 V Second or 0 5 mA Second 0 5 V Second or 1 0 mA Second 1 0 V Second or 2 0 mA Second 2 0 V Second or 4 0 mA Second 4 0 V Second or 8 0 mA Second 8 0 V Second or 16 mA Second 16 V Second or 32 mA Second 32 V Second or 64 mA Second 64 V Second or 128 mA Second 128 V Second or 256 mA Second 256 V Second or 512 mA Second 512 V Second or 1024 mA Second 1024 V Second or 2048 mA Se
83. el Engineering Units format See Section 1 9 4 for details of 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 Examples Command 01LO 03 000C0 Response 01 Sets the low alarm limit for Analog Input channel 0 of module 01 to 03 000 3 0 V and returns a response indicating that the command was successful Command 01RLCO Response 01 03 000 Reads the low alarm limit for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful and that the low alarm limit is 03 000 3 0 V Command 01RLCF Response 01 Attempts to read the low alarm limit for Analog Input channel 15 of module 01 but returns a response indicating that the command was successful because Analog Input channel 15 does not exist Related Commands Section 2 58 AACLCi Section 2 60 AADACi Section 2 63 AAEATCi Section 2 65 AALO Data Ci Section 2 66 AARACi Section 2 67 AARAO M 7026 User Manual Rev 1 4 Date 2015 09 17 150 M 7026 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 151 M 7026 2 74 AARLI Description This command is used to read the low latch value for a specific Analog Input channel of a specified module Syntax AARLi CHKSUM CR Delimiter character AA The address of the module to be read in
84. elimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01L1 Response 030100 Reads the low latch data for module 01 and returns a response indicating that the command was successful with a value of 030100 showing that Digital Output channels 0 and 1 and Digital Input channel 0 are latched low Command 01C Response 01 Clears the latch data for all channels of module 01 and returns a response indicating that the command was successful Command 01L1 Response 000000 Reads the low latch data for module 01 and returns a response indicating that the command was successful with a value of 000000 showing that all latched Digital Output and Digital Input channels have been cleared Related Commands Section 2 31 AALS M 7026 User Manual Rev 1 4 Date 2015 09 17 73 M 7026 2 27 AAE Description This command is used to read whether the counter edge for each Digital Input channel of a specified module is rising or falling Syntax AAE CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF E The command to read the status of the counter edge for the Digital Input channels Response Valid Command AAnn CHKSUM CR Invalid Command AA
85. equest 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x26 03 Enabled disabled 1 Byte 0x00 to OxOF the settings for each Settings channel where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the channel is to be disabled and 1 denotes that the channel is to be enabled Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x26 03 Enabled disabled 1 Byte 0 OK Settings Others Error Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 The enabled disabled settings are out of range or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 168 M 7026 3 4 10 Sub function 41 0x29 Read the Miscellaneous Settings This sub function code is used to read the miscellaneous settings for a module Request 00 Address 1 Byte 1 to 247 01 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 Filter Settings Settings 0 60 Hz Rejection 1 50 Hz Rejection Bit 6 Reserved Bit 5 Mode Settings 0 Normal Mode 1 Fast Mode Bits 4
86. er character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF 0 Reserved OO A two digit hexadecimal value to denote the status of the Digital Output where bit 0 corresponds to Digital Output channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the Digital Output channel is inactive and 1 denotes that the channel is active ll A two digit hexadecimal value to denote the status of the Digital Input where bit 0 corresponds to Digital Input channel 0 bit 1 corresponds to channel 1 etc When the bit is 0 it denotes that the Digital Input channel is inactive and 1 denotes that the channel is active 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 010001 Response 01 Sets Digital Output channel 0 of module 01 to ON and sets the other Digital Output channels of module 01 to OFF and returns a response indicating that the command was successful Command 01DI Response 0100102 Reads the status of the Digital Input and Digital Output channels of module 01 and returns a response indicating that the command was successful with a value of 00102 denoting that the Digital Output is active on channel 0 and that the Digital Input is active on channel 1 Related Commands M 7026 User Manual Rev 1 4 Date 2015 09 17 126 M 7026 Section 2
87. ere will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address Note The enable calibration command AAEV see Section 2 47 must be sent before this command is used See Section 1 8 2 for details Examples Command 01E1 Response 01 Enables calibration on module 01 and returns a response indicating that the command was successful Command 01301F Response 01 Increases the voltage for Analog Output channel 0 of module 01 to by an increment of 1F 31 and returns a response indicating that the command was successful Command 013060 Response 01 Attempts to increase the voltage for Analog Output channel 0 of module 01 by an increment of 60 96 but returns a response indicating that the command was unsuccessful because the increment value is not within the valid range M 7026 User Manual Rev 1 4 Date 2015 09 17 48 M 7026 Related Commands Section 2 7 AAON Section 2 9 AA1N Section 2 35 AAS1 Section 2 47 AAEV Related Topics Section 1 8 2 Analog Output Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 49 M 7026 2 12 AA4 Description This command is used to read the synchronized sampling data that was stored by a specified module when the last command Section 2 2 was issued Syntax AA4 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 4 Th
88. esponse 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x04 02 Byte Count 1 Byte 2xN 03 Data from Input 2xN Data is in either 2 s complement Channels Bytes hexadecimal format or Engineering Units format Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x84 02 Exception Code 1 Byte 03 the starting channel the number of input channels is out of range or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 156 M 7026 3 3 Function 05 0x05 Write to a Single Digital Output Channel This function code is used to write to contiguous Digital Output channels Request 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x05 02 03 Starting Channel 2Bytes 0103 04 05 Data 2 Bytes FF00h for ON and 0000h for OFF Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x04 02 03 Byte Count 1 Byte 0 to 3 04 05 2 Bytes FF00h for ON and 0000h for OFF Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x85 02 Exception Code 1 Byte 03 the starting channel the number of input channels is out of range or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 157 M 7026 3 4 Function 70 0x46 Read Write the Module Settings This function code is used to either read or change t
89. he Digital Output Safe Value R W 00131 00161 Reads sets the Digital Output Power on Value R W 00163 00193 Reads sets the status of the Digital Input Edge R W 00195 0 Falling Edge 1 Rising Edge 00257 Reads sets the Communication Protocol R W 0 DCON 1 Modbus RTU 00259 Reads sets the Filter Settings R W 0 60 Hz Rejection 1 50 Hz Rejection 00260 Reads sets the Host Watchdog Mode R W 0 The same as for I 7000 series modules 1 Analog Output and Digital Output commands can be used to clear the status of the Host Watchdog timeout 00261 Enables or disables the Host Watchdog or reads the R W status of the Host Watchdog 0 Disable 1 Enable 00264 Clears the latched Digital Input and Digital Output W channels Write 1 to clear 00265 Sets the active Digital Input mode W 0 Normal 1 Inverse 00266 Sets the active Digital Output mode W 0 Normal 1 Inverse 00269 Reads sets the Modbus Data Format R W M 7026 User Manual Rev 1 4 Date 2015 09 17 171 M 7026 0 2 Complement Hexadecimal 1 Engineering Units 00270 Reads the status of the Host Watchdog timeout R W Write to clear 00271 Reads sets the Analog Input Filter Format R W 0 Normal 1 Fast 00272 Loads the factory calibration parameters Write 1 to W load 00273 Reads the Reset status R 0 This is NOT the first time the module has been read since being powered on 1 This is the first time the module h
90. he command to read the Analog Output safe value N The Analog Output channel to be read zero based 0 1 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The Analog Output safe value See Section 1 9 5 for details of 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 Examples Command 010 06 000 Response gt Sets the Analog Output value for Analog Output channel 0 of module 01 to 06 000 6 0 V and returns a response indicating that the command was successful Command 0150 Response 01 Sets the current Analog Output value for Analog Output channel 0 of module 01 as the Analog Output safe value and returns a response indicating that the command was successful Command 0140 Response 01 06 000 Reads the Analog Output safe value for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful with a value of 06 000 6 0 V Command 014F Response 01 Attempts to read the Analog Output safe value for Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist M
91. he configuration settings for the module The following sub function codes are supported Sub function Code Description Section 00 0x00 Reads the Name of the Module 3 4 1 04 0x04 Sets the Address of the Module 3 4 2 05 0x05 Reads the Communication Protocol Settings 3 4 3 06 0x06 Sets the Communication Protocol Settings 3 4 4 07 0x07 Reads the Type Code 3 4 5 08 0x08 Sets the Type Code 3 4 6 32 0x20 Reads the Firmware Version Information 3 4 7 37 0x25 Reads whether a Specific Channel is 3 4 8 Enabled or Disabled 38 0x26 Sets a Specific Channel to either Enabled or 3 4 9 Disabled 41 0x29 Reads the Miscellaneous Settings 3 4 10 42 0x2A Writes the Miscellaneous Settings 3 4 11 If the sub function code specified in the message is not supported then the module will respond with an error code as per the table below Error Response Number Description Length Value 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code code 1 Byte 02 Indicates an invalid sub function M 7026 User Manual Rev 1 4 Date 2015 09 17 158 M 7026 3 4 1 Sub function 00 0x00 Read the Name of the Module This sub function code is used to read the name of the module Request 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x00 Response 00
92. he low alarm limit to 03 000 3 0 V and returns a response indicating that the command was successful Command 01RLC1 Response 010 03 000 Reads the low alarm limit for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful with a value 03 000 3 0 V Command 201LO 03 000CF Response 01 Attempts to enable the low alarm for channel 15 of module 01 and set the low alarm limit to 03 000 3 0 V but returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 58 AACLCi Section 2 60 OAADACi Section 2 63 AAEATCi Section 2 66 QAARACi Section 2 67 QAARAO Section 2 73 AARLCi M 7026 User Manual Rev 1 4 Date 2015 09 17 134 M 7026 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 135 M 7026 2 66 OAARACI Description This command is used to read the Alarm Type for a specific Analog Input channel of a specified module Syntax AARACi CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RA The command to read the Alarm Type for the Analog Input channel Ci i specifies the Analog Input channel to be read zero based 0 5 Response Valid Command AAS CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimi
93. he module to be read in hexadecimal format 00 to FF 6 The command to read the Analog Output value N The Analog Output channel to be read zero based 0 1 Response Valid Command AA Data CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The Analog Output requisition value See Section 1 9 5 for details of 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 Examples Command 011 10 000 Response 01 Sets the output value for Analog Output channel 1 of module 01 to 410 000 10 0 V and returns a response indicating that the command was successful Command 0161 Response 01 10 000 Reads the output value for Analog Output channel 1 of module 01 and returns a response indicating that the command was successful with a value of 410 000 10 0 V Command 016F Response 01 Attempts to read the Analog Output value from the last AAN Data command received by Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist Related Commands Section 2 5 4AAN Data Section 2 21 AA8N Section 2 23 AA9NTTS Related Topics M 7026 User Manual Rev 1
94. hecksum that is present when the checksum setting is enabled See Sections 2 1 and 5 1 for details CR End of command character carriage return OxOD Calculating the Checksum Sum the ASCII codes of all the characters contained in the command response string except for the carriage return character CR 2 The checksum is equal to the sum value masked by OFFh M 7026 User Manual Rev 1 4 Date 2015 09 17 23 Example Command 012 CR 1 The sum of the string 0 1 2 24h 30h 31h 32h B7h 2 Therefore the checksum is B7h and so CHKSUM B7 3 The DCON command string with the checksum 012B7 CR Response 01200600 CR 1 The sum of the string P 0 1 2 0 0 6 0 0 21h4 30h 31h 32h 30h 30h 36h 30h 30h 1AAh 2 Therefore the checksum is AAh and so CHKSUM AA 3 The DCON response string with the checksum 101200600AA CR Note All characters should be expressed in upper case M 7026 User Manual Rev 1 4 Date 2015 09 17 24 General Command Set Command Response Description VoAANNTTCCFF AA Sets the Configuration of the Module AA2 AANNTTCCFF Reads the Configuration of the Module AA5 Reads the Reset Status of the Module AAC Clears the Status of the Latched Digital Input Output Channels AAE Simultaneously reads the Status of the Counter Edges for all Digi
95. iguration N The Analog Output channel to be set zero based 0 1 T The Analog Output Type Code See Section 1 9 5 for details of the data format S The Analog Output Slew Rate See Section 1 9 6 for details of the data format Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 019131 Response 01 Sets the configuration for Analog Output channel 1 of module 01 to an output range of 10 V to 10 V and a slew rate of 0 625V Second and returns a response indicating that the command was successful Command 0191 Response 0131 Reads the configuration for Analog Output channel 1 of module 01 and returns a response indicating that the command was successful with a value of 31 meaning that the output range is 10V to 10V and the slew rate is 0 625V Second Command 019F31 Response 01 Attempts to set the configuration for Analog Output channel 15 of module 01 to an output range of 10 V to 10 V and a slew rate of 0 625V Second and returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist Related Commands Sect
96. ion 2 5 4AAN Data Section 2 22 AA9N M 7026 User Manual Rev 1 4 Date 2015 09 17 68 M 7026 Related Topics Section 1 9 5 Analog Output Type Codes and Data Format Section 1 9 6 Analog Output Slew Rate Control M 7026 User Manual Rev 1 4 Date 2015 09 17 69 M 7026 2 24 AAB Description This command is used to detect whether any Analog Input channels of a specified module are under range Syntax AAB CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF B The command to detect the Analog Input channels that are under range Response Valid Command AANN CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF NN A two digit hexadecimal value representing the detection results for all Analog Input channels 00 to 3F where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc If the bit is 0 it denotes that the channel is normal If the bit is 1 it denotes that the channel is under range 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 017CORO7 Response 01 Sets the Type Code for Analog Input channel 0 of module 01 to 07 4 to 20 mA and the module returns a
97. ion error or there is no module with the specified address Examples Command 0107026 Response 01 Sets the name of module 01 to 7026 and returns a response indicating that the command was successful Command 01M Response 017026 Reads the name of module 01 and returns a response indicating that the command was successful with the name 7026 Command 010123456789ABCDEF Response 01 Attempts to set the name of module 01 to 123456789ABCDEF but returns a response indicating that the command was unsuccessful because the name is longer than 12 characters Related Commands Section 2 32 M 7026 User Manual Rev 1 4 Date 2015 09 17 108 M 7026 2 50 AARD Description This command is used to read the response delay time for a specified module Syntax AARD CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RD The command to read the response delay time Response Valid Command AATT CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF TT A two digit hexadecimal value representing the response delay time value in milliseconds For example 01 denotes 1 millisecond and 1A denotes 26 milliseconds The value must be less than or equal to 1E There will be no response if the
98. is a communication error or there is no module with the specified address Examples Command 01RD10 Response 01 Sets the response delay time for module 01 to 10 16 milliseconds and returns a response indicating that the command was successful Command 01RD Response 0110 Reads the response delay time for module 01 and returns a response indicating that the command was successful with a value of 10 indicating 16 milliseconds meaning that all responses will be sent after 16 milliseconds have elapsed Command 01RD1F Response 01 Attempts to set the response delay time for module 01 to 1F 31 milliseconds but returns a response indicating that the command was unsuccessful because the duration was not within the valid range Related Commands Section 2 50 AARD M 7026 User Manual Rev 1 4 Date 2015 09 17 110 M 7026 2 52 AATnn Description This command is used to set the timeout value for the software INIT function on a specified module Syntax AATnn CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF T The command to set the timeout value for the software INIT function nn A two digit hexadecimal value representing the timeout value for the software INIT function in seconds For example 01 denotes 1 second and 1A denotes 26 seconds The value must be less than or equal to 3C Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM C
99. ital Output channel 0 of module 01 to active and sets the other Digital Output channels to inactive and returns a response indicating that the command was successful Command 01DI Response 0100102 Reads the status of the Digital Input and Digital Output for all channels of module 01 and returns a response indicating that the command was successful and showing that Digital Output is active on channel 0 and Digital Input is active on channel 1 M 7026 User Manual Rev 1 4 Date 2015 09 17 128 M 7026 Related Commands Section 2 61 AADI M 7026 User Manual Rev 1 4 Date 2015 09 17 129 M 7026 2 63 OAAEATCi Description This command is used to enable the alarm function and set the Alarm Type for a specific Analog Input channel of a specified module Syntax AAEATCi CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF EA The command to enable the alarm function for the Analog Input channel T The Alarm Type for the Analog Input channel M Momentary L Latched Ci The Analog Input channel where the alarm is to be enabled zero based 0 5 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF There will be no response if the command syntax is incorrect there is a
100. larm for Analog Input channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 60 Section 2 61 AADI Section 2 63 AAEATCi M 7026 User Manual Rev 1 4 Date 2015 09 17 115 M 7026 Section 2 64 AAHI Data Ci Section 2 66 AARACi Section 2 67 AARAO Section 2 70 AARHCi M 7026 User Manual Rev 1 4 Date 2015 09 17 116 M 7026 2 56 OAACHI Description This command is used to clear the high latch value for a specific Analog Input channel of a specified module Syntax AACHi CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF CH The command to clear the high latch value for the Analog Input channel i The Analog Input channel to be cleared zero based Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01RH1 Response 01 06 000 Reads the high latch value for Analog Input channel 1 of module 01 and returns a response indicating that the command was successful with a
101. log Input channels See Section 1 9 4 for details of 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 Examples Commana 01 Response gt 025 12 020 45 012 78 018 97 000 00 000 00 Reads data from the Analog Input channels of module 01 and returns a response indicating that the command was successful with the data from all Analog Input channels in Engineering Units format Command 02 Response gt 4C532628E2D683A200000000 Reads data from the Analog Input channels of module 02 and returns a response indicating that the command was successful with the data from all Analog Input channels in hexadecimal format Command 03 Response gt 9999 9 9999 9 9999 9 9999 9 9999 9 9999 9 Reads data from the Analog Input channels of module 03 but returns a response indicating that although the command was successful the data is not within the valid range Related Commands Section 2 1 9SSAANNTTCCFF Section 2 4 AAN Section 2 10 AA2 Section 2 18 AA7CiRrr M 7026 User Manual Rev 1 4 Date 2015 09 17 33 M 7026 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 34 M 7026 2 4 AAN Description This command is used to read data from Analog Input channel N of a specified module Syntax AAN CHKSUM CR Delimiter character AA The address
102. m is associated with Analog Input channel 0 and Digital Output channel 1 is associated with Analog Input channel 1 and so on Examples Command 01RAO Response 010100 Reads the currently activated alarms associated with module 01 The module returns a response indicating that the command was successful with a value of 0100 which denotes that there is currently an activated high alarm associated with Analog Input channel 0 M 7026 User Manual Rev 1 4 Date 2015 09 17 138 M 7026 Command 01CHCO Response 01 Clears the status of the high alarms for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful Command 01RAO Response 010000 Reads the currently activated alarms associated with module 01 and returns a response indicating that the command was successful and that no alarms have occurred Related Commands Section 2 55 AACHCi Section 2 58 AACLCi Section 2 60 AADACi Section 2 64 AAHI Data Ci Section 2 65 AALO Data Ci Section 2 66 AARAGi Section 2 70 AARHGi Section 2 73 AARLCi M 7026 User Manual Rev 1 4 Date 2015 09 17 139 M 7026 2 68 AARECi Description This command is used to read the counter for a specific Digital Input channel of a specified module Syntax AARECi CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF RE The command to read the counter for the Digital Input channel
103. mand 010 Response 01 Attempts to send the command to perform a span calibration on module 01 but returns a response indicating that the command was unsuccessful because the Enable Calibration command AAEV has not yet been sent Command 01E1 Response 01 Enables calibration on module 01 and returns a response indicating that the command was successful Command 010 Response 01 Sends the command to perform a span calibration on module 01 and returns a response indicating that the command was successful Related Commands Section 2 6 AAO Section 2 7 AAON Section 2 8 AA1 Section 2 9 AA1N M 7026 User Manual Rev 1 4 Date 2015 09 17 105 M 7026 Section 2 35 AAS1 Related Topics Section 1 8 Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 106 M 7026 2 48 AAI Description This command is used to enable modification of the Baud Rate and checksum settings for a specified module using the software INIT function only Syntax AAI CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF The command to enable the software INIT function Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF There will be no response if the command syntax i
104. mat that was stored when the synchronized sampling command was last issued The status byte of the response is 1 which means that it is the first time the synchronized sampling data has been read since the previous command was received Command 014 Response gt 010 025 12 020 45 012 78 018 97 000 00 0 00 00 Sends the command to read the synchronized sampling data from module 01 The module returns a response indicating that the command was successful containing the data in Engineering Units format that was stored when the synchronized sampling command was last issued The status byte of the response is 0 which means that it is NOT the first time the synchronized sampling data has been read since the previous command was received Related Commands Section 2 12 AA4 Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 32 M 7026 2 3 Description This command is used to read data from all Analog Input channels of a specified module Syntax AA CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF Response Valid Command gt Data CHKSUM CR Invalid Command AA CHKSUM CR gt Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Data The data from all Ana
105. mmand AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Example Command 201 REC1 Response 0165535 Reads data from Digital Input channel 1 of module 01 and returns a response indicating that the command was successful with a counter value of 65535 Command 01CEC1 Response 01 Resets the counter for Digital Input channel 1 of module 01 to the preset value and returns a response indicating that the command was successful Command 001 REC1 Response 0100000 Reads data from Digital Input channel 1 of module 01 and returns a response indicating that the command was successful with a counter value of 00000 Command 901 CECF Response 01 Attempts to reset the counter for Digital Input channel 15 of module 01 to the preset value but returns a response indicating that the command was unsuccessful because Digital Input channel 15 does not exist Related Commands M 7026 User Manual Rev 1 4 Date 2015 09 17 112 M 7026 Section 2 68 AARECi M 7026 User Manual Rev 1 4 Date 2015 09 17 113 M 7026 2 54 AACH Description This command is used to clear the high latch values for all Analog Input cha
106. nd 0140 Response 01 06 000 Reads the Analog Output safe value for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful with a value of 06 000 6 0 V Command 015F Response 01 Attempts to set the current Analog Output value as the Analog Output safe value for Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist Related Commands Section 2 5 AAN Data Section 2 42 AA4N M 7026 User Manual Rev 1 4 Date 2015 09 17 97 M 7026 Related Topics Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 98 M 7026 2 44 AA5PPSS Description This command is used to set the Digital Output power on value and the Digital Output safe value for a specified module to either active or inactive Syntax Saad Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 5 The command to set the Digital Output power on value and the Digital Output safe value PP A two digit hexadecimal value representing the status of the Digital Output power on value where bit 0 corresponds to Digital Output channel 0 and bit 1 corresponds to Digital Output channel 1 etc When the bit is 0 it denotes that the Digital Output power on is inactive and 1 denotes that the Digital Output power on is active SS A t
107. ng that the command was successful and that the name is 7026 Related Commands Section 2 49 AAO Data M 7026 User Manual Rev 1 4 Date 2015 09 17 80 M 7026 2 33 AAP Description This command is used to read which communication protocol is supported and currently being used by a specified module Syntax AAP CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF P The command to read the communication protocol Response Valid Command AASC CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF S Indicates which protocol is supported 0 Only the DCON protocol is supported 1 Both the DCON and Modbus RTU protocols are supported C Indicates which protocol is currently being used 0 The protocol set in the EEPROM is DCON 1 The protocol set in the EEPROM is Modbus RTU 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 01P1 Response 01 Sets the communication protocol for module 01 to Modbus RTU and returns a response indicating that the command was successful Command 01P Response 0111 Reads which communication protocol is being used by module 01 and returns a respo
108. nnels of a specified module Syntax AACH CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF CH The command to clear the high latch values Response Valid Command AA CHKSUM CR Invalid Command 2OAA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01RHO Response 01 05 000 Reads the high latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 05 000 45 0 V Command 01CH Response 01 Clears the high latch values for all Analog Input channels of module 01 and returns a response indicating that the command was successful Command 01RHO Response 01 00 000 Reads the high latch value for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 00 000 0 0 V signifying that the high latch has been cleared Related Commands Section 2 56 Section 2 69 AARH Section 2 71 AARHi M 7026 User Manual Rev 1 4 Date 2015 09 17 114 M 7026 2 55 AACHCi Description This command is used to clear th
109. nse indicating that the command was successful with a value of 11 meaning that the module supports both the DCON and Modbus RTU protocols and that the protocol which will be used at the next power on reset is Modbus RTU Related Commands Section 2 34 AAPN M 7026 User Manual Rev 1 4 Date 2015 09 17 81 M 7026 2 34 AAPN Description This command is used to set the communication protocol to be used by a specified module Syntax AAPN CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF P The command to set the communication protocol N The protocol to be used 0 DCON 1 Modbus RTU Note Before using this command the INIT switch must be in the INIT position see Section 5 1 for details The settings for the new protocol are saved in the EEPROM and will become effective after the next power on reset Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 01P1 Response 01 Attempts to set the communication protocol for module 01 to Modbus RTU but returns a response indicating that the command was unsucce
110. o response if the command syntax is incorrect there is a communication error or there is no module with the specified address Examples Command 019030 Response 01 Sets the configuration for Analog Output channel 0 of module 01 to an output range of 10 V to 10 V and any changes are immediate The module returns a response indicating that the command was successful Command 0190 Response 0130 Reads the configuration for Analog Output channel 0 of module 01 and returns a response indicating that the command was successful with a value of 30 meaning that the output range is 10V to 10V and any changes are immediate Command 019F Response 01 Attempts to read the configuration for Analog Output channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist Related Command Section 2 5 AAN Data Section 2 23 AA9NTS M 7026 User Manual Rev 1 4 Date 2015 09 17 66 M 7026 Related Topics Section 1 9 5 Analog Output Type Codes and Data Format Section 1 9 6 Analog Output Slew Rate Control M 7026 User Manual Rev 1 4 Date 2015 09 17 67 M 7026 2 23 AA9NTS Description This command is used to set the configuration for Analog Output channel N of a specified module Syntax AA9NTS CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 9 The command to set the Analog Output conf
111. og Input Data from a Specific Channel 2 4 Performs Analog Input Span Calibration on the Module 2 6 Performs Analog Input Zero Calibration on the Module 2 8 gt AAS Data Reads the previously stored Synchronized Sampling Data 2 12 Enables or Disables Specific Analog Input Channels 2 15 AA6 Reads whether each Analog Input Channels is Enabled or Disabled 2 16 AA7CiRir Sets the Type Code for a Specific Analog Input Channel M 7026 User Manual Rev 1 4 Date 2015 09 17 26 Reads the Type Code for a Specific Analog Input Channel Reads whether or not the Analog Input channels are under range Reloads the Default Calibration Parameters Enables or Disables Analog Input Calibration for the Module Clears the High Latch Values for all Analog Input Channels Clears the Status of the High Alarm for a Specific Analog Input Channel Clears the High Latch Value for a Specific Analog Input Channel AACLCi Clears the Low Latch Values for all Analog Input Channels Clears the Status of the Low Alarm for a Specific Analog Input Channel AACLi Clears the Low Latch Value for a Specific Analog Input Channel AADACi Disables the Alarm for a Specific Analog Input Channel AAEATCi Sets the Alarm Mode for a Specific Analog Input Channel AAHI Data Ci Sets the High Alarm Value for a Specifi
112. ommand 01DACO Response 01 Disables the high and low alarms for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful Command 01RACO Response 010 Reads the Alarm Type for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful and that the alarm is disabled Command 01DACF Response 01 Attempts to disable the high and low alarms for Analog Input channel 15 of module 01 and returns an response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 55 AACHGi Section 2 58 AACLCi Section 2 61 AADI M 7026 User Manual Rev 1 4 Date 2015 09 17 124 M 7026 Section 2 63 AAEATCi Section 2 64 AAHI Data Ci Section 2 65 AALO Data Ci Section 2 66 OAARACi Section 2 67 AARAO Section 2 70 AARHGi Section 2 73 AARLCi M 7026 User Manual Rev 1 4 Date 2015 09 17 125 M 7026 2 61 AADI Description This command is used to read the status of the Digital Input and Digital Output channels of a specified module Syntax AADI CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF DI The command to read the status of the Digital Input and Digital Output channels Response Valid Command AA0OOII CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimit
113. ond 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 Examples Command 013164 Response 01 Enables the Host Watchdog for module 01 and sets the Host Watchdog timeout value to 64 10 0 seconds The module returns a response indicating that the command was successful Command 012 Response 01164 Reads the Host Watchdog timeout value for module 01 and returns a response indicating that the command was successful with a value of 1FF which denotes that the Host Watchdog is enabled and that the Host Watchdog timeout value is 10 0 seconds 64 Related Commands Section 2 36 Section 2 37 AAO Section 2 38 AA1 Section 2 40 Related Topics M 7026 User Manual Rev 1 4 Date 2015 09 17 89 M 7026 Section 5 2 Dual Watchdog Operation M 7026 User Manual Rev 1 4 Date 2015 09 17 90 M 7026 2 40 AA3ETT Description This command is used to enable or disable the Host Watchdog for a specified module and sets the Host Watchdog timeout value Syntax AA3ETT CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 3 The command to set the Host Watchdog E The command to set the Host Watchdog 0 Disables the Host Watchdog 1 Enables the Host Watchdog TT A two digit hexadecimal value to represen
114. or the Analog Input channel Ci i specifies which Analog Input channel to access for the Type Code information zero based 0 5 Response Valid Command AACiRIr CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Ci i specifies which Analog Input channel the Type Code information relates to zero based 0 5 Rrr rr represents the Type Code used for the specified Analog Input channel See Section 1 9 2 for details of 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 Examples Command 9017 0808 Response 01 Sets the Type Code for Analog Input channel 0 of module 01 to 08 10 to 10 V and the module returns a response indicating that the command was successful Command 018C0 Response 01COR08 Reads the Type Code information for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful with a value of 08 denoting that the input range is 10 to 10 V Command 018CF Response 201 Attempts to read the Type Code information for Analog Input channel 15 of module 01 but returns a response indicating that the command was unsuccessful because Analog Input channel 15 does not exist Related Commands
115. ows easier access to INIT mode INIT Refer to Sections 5 1 and 5 3 for Frame Switch more details Ground 4 The common features of the M 7000 series are as follows 1 Voltage or Current Input 240 Vrms Overvoltage Protection High Resolution 16 bit 2500 Vpc Intra module Isolation Photocoupler Isolation Support for Relay Outputs DIN Rail Mountable Dual Watchdog Wide Operating Temperature Range 25 to 75 C O tA d N M 7026 User Manual Rev 1 4 Date 2015 09 17 1 1 Applications 1 Building Automation 2 Factory Automation 3 Machine Automation 4 Remote Maintenance 5 Remote Diagnosis 6 Testing Equipment 1 2 More Information Refer to Chapter 1 of the M 7000 Bus Converter User Manual for more information regarding the following 1 1 1 2 1 3 14 1 5 I 7000 Overview I 7000 Related Documentation I 7000 Common Features I 7000 System Network Configuration I 7000 Dimensions M 7026 User Manual Rev 1 4 Date 2015 09 17 7 1 3 Pin Assignments Vout1 Vout1 DIO 011 012 001 002 COM N A Y DATA G DATA R Vs B GND 14 M 7026 User Manual Rev 1 4 Date 2015 09 17 1 4 Specifications 1 4 4 System Specifications Communication Interface RS 485 Format N 8 1 Baud Rate 1200 to 115200 bps Protocol DCON Modbus RTU Dual Watchdog Yes Module 1
116. response indicating that the command was successful Command 01B Response 0101 Detects which Analog Input channels of module 01 are under range and returns a response indicating that the command was successful with a value 01 meaning that Analog Input channel 0 is under range Note This command is only applicable when either Type Code 0x07 4 to 20mA or Type Code 0x1A 0 to 20 is used Related Commands Section 2 3 AA Section 2 4 AAN Section 2 20 AA8Ci Section 2 18 M 7026 User Manual Rev 1 4 Date 2015 09 17 70 M 7026 AA7CiRrr Related Topics Section 1 9 2 Analog Input Type Code Settings Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 71 M 7026 2 25 AABO Description This command is used to detect the status of the wire connections for each Analog Output channel of a specified module Syntax AABO CHKSUM CR Delimiter character AA The address of the module where the status of the wiring is to be detected in hexadecimal format 00 to FF BO The command to detect the status of the wiring for each Analog Output channel Response Valid Command AANN CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF NN A two digit hexadecimal value representing the detection res
117. ror or there is no module with the specified address Note The AAN Data command must be sent before this command is used Examples Command 012 00 000 Response gt Sets the output value for Analog Output channel 2 of module 01 to 00 000 0 0 V and returns a response indicating that the command was successful Command 0142 Response 01 Stores the current Analog Output value as the power on value for Analog Output channel 2 of module 01 and returns a response indicating that the command was successful The power on value for Analog Output channel 2 is set to 0 0 V immediately Command 014F Response 01 Attempts to store the power on value for Analog Output channel 15 of module 01 and returns a response indicating that the command was unsuccessful because Analog Output channel 15 does not exist Related Commands Section 2 5 AAN Data Section 2 19 AA7N M 7026 User Manual Rev 1 4 Date 2015 09 17 52 M 7026 2 14 AA5 Description This command is used to read the reset status of a specified module Syntax AA5 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 5 The command to read the reset status Response Valid Command AAS CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00
118. s Section 2 37 AAO Section 2 38 AA1 Section 2 39 AA2 Section 2 40 AA3ETT Related Topics Section 5 2 Dual Watchdog Operation M 7026 User Manual Rev 1 4 Date 2015 09 17 85 M 7026 2 37 Description This command is used to read the status of the Host Watchdog for a specified module Syntax AAO0 CHKSUM CR Delimiter character AA The address of the module to be read in hexadecimal format 00 to FF 0 The command to read the status of the Host Watchdog Response Valid Command AASS CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF SS A two digit hexadecimal value that represents the status of the Host Watchdog where Bit 2 0 indicates that no Host Watchdog timeout has occurred and 1 indicates that a Host Watchdog timeout has occurred Bit 7 0 indicates that the Host Watchdog is disabled and 1 indicates that the Host Watchdog is enabled 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 Note The status information for the Host Watchdog is stored in the EEPROM and can only be reset using the AA1 command See Section 2 38 for details Examples Command 010 Response 0100 Reads the status of the Host Watchdog for mo
119. s incorrect there is a communication error or there is no module with the specified address Examples Command 01T10 Response 01 Sets the timeout value for the software INIT function on module 01 to 10 16 seconds and returns a response indicating that the command was successful Command 011 Response 01 Enables the software INIT function on module 01 and returns a response indicating that the command was successful Command 0101000600 Response 01 Sets the Baud Rate for module 01 to 9600 bps and returns a response indicating that the command was successful Related Commands Section 2 1 AANNTTCCEFF Section 2 48 AAI Section 2 52 AATnn Related Topics Section 1 9 Configuration Section 5 1 INIT Mode M 7026 User Manual Rev 1 4 Date 2015 09 17 107 M 7026 2 49 AAO Data Description This command is used to set the name of a specified module Syntax AAO Data CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF The command to set the name of the module Data The new name of the module Max 12 characters Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF There will be no response if the command syntax is incorrect there is a communicat
120. s the module address and the Baud Rate etc To access the node information areas first slide the covers outward as shown in the figure below M 7026 User Manual Rev 1 4 Date 2015 09 17 182 M 7026 5 5 Reset Status The reset status of a module is set when the module is first powered on or when the module is reset by the Module Watchdog and is cleared after responding to the first AA5 command see Section 2 14 This command be used to check whether the module has recently been reset If the response from the AA5 command indicates that the reset status has been cleared it means that the module has not been reset since the last AA5 command was sent If the response from the AA5 command indicates that the reset status is set and it is not the first time an AA5 command has been sent it means that the module has been reset and the Digital Output value has been changed to either the default power on value or the safe value M 7026 User Manual Rev 1 4 Date 2015 09 17 183
121. ssful because the INIT switch is not in INIT position Command 01P1 Response 01 Sets the communication protocol for module 01 to Modbus RTU and returns a response indicating that the command was successful The new protocol will become effective after the next power on reset Command 01P Response 0111 Reads which communication protocol is being used by module 01 and returns a response indicating that the command was successful with a value of 11 meaning that the module supports both the DCON and Modbus RTU protocols and that the protocol which will be used at the next power on reset is Modbus RTU M 7026 User Manual Rev 1 4 Date 2015 09 17 82 M 7026 Related Commands Section 2 33 AAP Related Topics Section 5 1 INIT Mode M 7026 User Manual Rev 1 4 Date 2015 09 17 83 M 7026 2 35 AAS1 Description This command is used to reload the factory default calibration parameters for a specified module including the internal calibration parameters Syntax AAS1 CHKSUM CR Delimiter character AA The address of the module where the default calibration parameters are to be reloaded in hexadecimal format 00 to FF S1 The command to reload the factory default calibration parameters Response Valid Command AA CHKSUM CR Invalid Command 2OAA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in he
122. t the Host Watchdog 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 to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Examples Command 013164 Response 01 Enables the Host Watchdog for module 01 and sets the Host Watchdog timeout value to 64 10 0 seconds The module returns a response indicating that the command was successful Command 012 Response 01164 Reads the Host Watchdog timeout value for module 01 and returns a response indicating that the command was successful with a value of 164 which denotes that the Host Watchdog is enabled and that the Host Watchdog timeout value is 10 0 seconds 64 Related Commands Section 2 36 Section 2 37 AAO Section 2 38 AA1 Section 2 39 Related Topics Section 5 2 Dual Watchdog Operation M 7026 User Manual Rev 1 4 Date 2015 09 17 91 M 7026 Note When a Host Watchdog timeout occurs the Host Watchdog will be disabled In this case the AASETT command should be sent again to re enable the Host Watchdog M 7026 User Manual Rev 1 4 Date 2015 09 17 92 M 7026
123. tal Input Channels Simultaneously sets the Status of the Counter Edges for all Digital Input Channels AA Data Reads the Firmware Version Information for the Module AAS Reads the Status of the INIT Switch Data Reads the Status of the Latched Digital Input and Digital Output Channels AA Data Reads the Name of the Module AASC Reads the Communication Protocol currently being used by the Module Sets the Communication Protocol to be used by the Module Reads the Miscellaneous Settings for the Module Sets the Miscellaneous Settings for the Module AAI Enables the Software INIT Modification Function AAO Data Sets the Name of the Module M 7026 User Manual Rev 1 4 Date 2015 09 17 25 Reads the Response Delay Time for the Module Sets the Response Delay Time for the Module Sets the Software INIT Timeout Value for the Module Clears the Counter for a Specific Digital Input Channel AAOOTL Reads the Status of all Digital Input and Digital Output Channels Sets the Status of the Digital Output Channels Reads the Counter for a Specific Digital Input Channel Analog Input Command Set Command Response Description Section No Response Sends the Synchronized Sampling Command 2 2 gt Data Reads the Analog Input Data from all Channels 2 9 gt Data Reads the Anal
124. tched Digital Output R 10075 channels 10097 Reads the status of the low latched Digital Input R 10099 channels 10105 Reads the status of the low latched Digital Output R 10107 channels 10225 Reads whether or not Analog Input channels 0 to 5 R 10230 are under range 10241 Reads the status of the wire connection for Analog R 10242 Output channels 0 to 1 30001 Reads the Analog Input value for channels 0 to 5 R 30006 30065 Reads the current output value for Analog Output R 30066 channels 0 to 1 30129 Reads the Digital Input counter for channels 0 to 2 R 30131 30513 Reads the high latch value for Analog Input R 30518 channels 0 to 5 30545 Reads the low latch value for Analog Input R 30550 channels 0 to 5 40033 Reads writes the Analog Output value for channels R W 40034 0 to 40097 Reads writes the safe value for Analog Output R W 40098 channels 0 to 40193 Reads writes the power on value for Analog Output R W 40194 channels 0 to 1 40225 Reads writes the Analog Input high alarm value R W 40230 40233 Reads writes the Analog Input low alarm value R W M 7026 User Manual Rev 1 4 Date 2015 09 17 173 M 7026 40238 40257 Reads writes the Type Code for Analog Input R W 40262 channels 0 to 5 40289 Reads writes the Analog Output Slew Rate for R W 40290 channels 0 to 40417 Reads writes the Type Code for Analog Output R W 40418
125. ter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF S The Alarm Type for the Analog Input channel 0 Alarm disabled 1 Momentary 2 Latched 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 01EAMCO Response 01 Enables the alarm function for channel 0 of module 01 and sets the Alarm Type to Momentary and returns a response indicating that the command was successful Command 01RACO Response 011 Reads the Alarm Type for Analog Input channel 0 of module 01 and returns a response indicating that the command was successful and that the Alarm Type is Momentary Command 901 RACF Response 01 Attempts to read the Alarm Type for Analog Input channel 15 of module 01 but returns a response indicating that command was unsuccessful because Analog Input channel 15 does not exist Related Commands Section 2 55 AACHGi Section 2 58 AACLCi Section 2 60 OAADACi Section 2 64 AAHI Data Ci Section 2 65 AALO Data Ci Section 2 67 M 7026 User Manual Rev 1 4 Date 2015 09 17 136 M 7026 AARAO Section 2 70 AARHGi Section 2 73 AARLCi M 7026 User Manual Rev 1 4 Date 2015 09 17 137 M 7026 2 67 AARAO Description This command is used to read which currently activated alarms are associated with a specified module Syntax AARAO CHKSU
126. ter settings are set to 60Hz rejection data format is Engineering Units and the checksum is disabled Command 022 Response 02000602 Reads the configuration of module 02 The response indicates that the command was successful and shows that the address is 0x02 the Baud Rate is 06 9600 bps the filter settings are set to 60Hz rejection data format is hexadecimal units and the checksum is disabled Related Commands Section 2 1 AANNTTCCFF Related Topics Section 1 9 Configuration M 7026 User Manual Rev 1 4 Date 2015 09 17 46 M 7026 Section 5 1 INIT Mode M 7026 User Manual Rev 1 4 Date 2015 09 17 47 M 7026 2 11 AA3NVV Description This command is used to trim the calibration for Analog Output channel N of a specified module Syntax AA3NVV CHKSUM CR Delimiter character AA The address of the module to be trimmed in hexadecimal format 00 to FF 3 The command to trim the calibration N The Analog Output channel to be trimmed zero based 0 1 VV A two digit hexadecimal value representing the trim calibration Use 00 to 5F to increase the voltage in increments from 0 to 95 and use FF to A1 to decrease the voltage in increments from 1 to 95 Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding module in hexadecimal format 00 to FF Th
127. the low latch value for Analog Input channel 15 of module 01 but returns an response indicating that the command was successful because Analog Input channel 15 does not exist M 7026 User Manual Rev 1 4 Date 2015 09 17 152 M 7026 Related Commands Section 2 1 AANNTTCCEFEF Section 2 57 AACL Section 2 59 OAACLi Section 2 72 AARL Related Topics Section 1 9 4 Analog Input Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 153 M 7026 3 Modbus RTU Protocol The Modbus protocol was developed by Modicon Inc and was originally designed for Modicon controllers Detailed information can be found at http www2 schneider electric com sites corporate en products services automation control automation control page You can also visit http www modbus org for more valuable information Function Code Description Section Reads the status of the Digital Input 02 0x02 3 1 channels 04 0x04 Reads the Analog Input channels 3 2 Writes to a single Digital Output 05 0x05 3 3 channel 70 0x46 Reads writes the module settings 3 4 Error Responses Number Description Length Value 00 Address Byte 1 to 247 01 Function Code 1 Byte Function code 0x80 02 Exception Code Byte 01 If a CRC mismatch occurs the module will not respond M 7026 User Manual Rev 1 4 Date 2015 09 17 154 M 7026 3 1
128. to FF 5 The reset status of the module 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 1 This is the first time the command has been sent since the module was powered on 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 015 Response 011 Reads the reset status of module 01 The module returns a response indicating that the command was successful and that it is the first time the AA5 command has been sent since the module was powered on Command 015 Response 010 Reads the reset status of module 01 The module returns a response indicating that the command was successful and that there has been no module reset since the last AA5 command was sent Related Commands None M 7026 User Manual Rev 1 4 Date 2015 09 17 53 M 7026 2 15 AA5VV Description This command is used to specify the Analog Input channels to be enabled on a specified module Syntax AA5VV CHKSUM CR Delimiter character AA The address of the module to be set in hexadecimal format 00 to FF 5 The command to set the Analog Input channel s to enabled VV A two digit hexadecimal value representing the Analog Input channel where bit 0 corresponds to channel 0 and bit 1 corresponds to channel 1 etc
129. ue of 0 indicates that the input is connected to a COM port An input value of 1 indicates that the input is floating OA Bit 1 Specifies the active state of the Digital Output signal 0 An output value of 0 indicates that the output is inactive An output value of indicates that the output is active 1 An output value of 0 indicates that the output is active An output value of 1 indicates that the output is inactive 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 M 7026 User Manual Rev 1 4 Date 2015 09 17 101 M 7026 Examples Command 01D01 Response 01 Sets the miscellaneous settings for module 01 to 01 meaning that the Digital Output channels are in inactive mode and returns a response indicating that the command was successful Command 01D Response 0101 Reads the miscellaneous settings for module 01 and returns a response indicating that the command was successful with a value of 01 which denotes that the Digital Output channels are in inactive mode Related Commands Section 2 46 AADVV Section 2 61 AADI Section 2 62 AADODD M 7026 User Manual Rev 1 4 Date 2015 09 17 102 M 7026 2 46 AADVV Description This command is used to set the Digital Input and Digital Output configuration for a specified module Syntax AADVV CHKSUM CR
130. ul M 7026 User Manual Rev 1 4 Date 2015 09 17 30 M 7026 Command 0101000A00 Response 201 Attempts to change the Baud Rate of module 01 to 115200 bps but returns a response indicating that the command was unsuccessful because the module was not switched to INIT mode before sending the command Command 0101000A00 Response 01 Changes the Baud Rate of module 01 to 115200 bps and the module is in INIT mode The module returns a response indicating that the command was successful Related Commands Section 2 10 AA2 Section 2 48 AAI Related Topics Section 1 9 Configuration Section 5 1 INIT Mode M 7026 User Manual Rev 1 4 Date 2015 09 17 31 M 7026 2 2 Description This command instructs every Analog Input module to read data from every Analog Input channel and store the data in the buffer for later retrieval Syntax CHKSUM CR Delimiter character The synchronized sampling command Response There is no response to this command To access the data another command AA4 must be sent see Section 2 12 for details Examples Commana No response Sends the synchronized sampling command to all Analog Input modules Command 014 Response gt 011 025 12 020 45 012 78 018 97 000 00 0 00 00 Sends the command read the synchronized sampling data from module 01 The module returns a response indicating that the command was successful containing the data in Engineering Units for
131. ults for the Analog Output channels 00 to 03 where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc If the bit is 0 it denotes that the channel is either disabled or normal If the bit is 1 it denotes that the channel is enabled and there is no wire connected 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 01BO Response 0101 Detects the status of the wire connections for all Analog Outputs channels of module 01 and returns a response indicating that the command was successful with a value of 01 meaning that no wire is connected to channel 1 Note This command is only applicable to Type Code 0 0 to 20 mA and Type Code 1 4 to 20 mA Related Commands Section 2 22 AA9N Section 2 23 AA9NTS Related Topics Section 1 9 5 Analog Output Type Codes and Data Format M 7026 User Manual Rev 1 4 Date 2015 09 17 72 M 7026 2 26 AAC Description This command is used to clear the Digital Input and Digital Output latch data for a specified module Syntax AAC CHKSUM CR Delimiter character AA The address of the module to be cleared in hexadecimal format 00 to FF C The command to clear the Digital Input and Digital Output latch data Response Valid Command AA CHKSUM CR Invalid Command 2AA CHKSUM CR Delimiter character to indicate a valid command D
132. ved 1 Byte 0x00 04 Baud Rate 1 Byte 0 OK Others Error 05 07 Reserved 3 Bytes 0 00 0x00 0x00 08 Protocol 1 Byte 0 OK Others Error 09 10 Reserved 2 Bytes 0x00 0x00 Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 The Baud Rate or the module address is out of range reserved bits M 7026 User Manual Rev 1 4 Date 2015 09 17 162 M 7026 should be filled with zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 163 M 7026 3 4 5 Sub function 07 0x07 Read the Analog Input Type Code This sub function code is used to read the Type Code information for a specific Analog Input channel of a module Request 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x07 03 Reserved 1 Byte 0x00 04 Channel Number 1 Byte 0x00 to 0x05 Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x46 02 Sub function Code 1 Byte 0x07 03 Type Code 1 Byte The Type Code see Section 1 9 2 for details Error Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0xC6 02 Exception Code 1 Byte 03 The channel number is out of range reserved bits should be filled with Zero or an incorrect number of bytes were received M 7026 User Manual Rev 1 4 Date 2015 09 17 164 M
133. wo digit hexadecimal value representing the status of the Digital Output safe value where bit 0 corresponds to Digital Output channel 0 and bit 1 corresponds to Digital Output channel 1 etc When the bit is it denotes that the Digital Output safe value is inactive and 1 denotes that the Digital Output safe value is active Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character to indicate a valid command Delimiter character to indicate an invalid command AA The address of the responding 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 Note Neither the Digital Output power on value nor the Digital Output safe value has any effect on Digital Output channels that are associated with alarm outputs Examples Command 0150102 Response 01 Sets the Digital Output power on value for module 01 to 01 indicating that the power on value for Digital Output channel 0 is active and is inactive for all others channels and sets the Digital Output safe value to 02 indicating that the safe value for Digital Output channel 1 is active and is inactive for all others channels and returns a response indicating that the command was successful Command 014 Response 010102 M 7026 User Manual Rev 1 4 Date 2015 09 17 99 M 7026 Reads the Digital Output power on
134. xadecimal 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 Note If the accuracy of either the Analog Input or the Analog Output is not within the specifications the factory default calibration parameters must be reloaded After sending the AAS1 command the parameters will be changed directly without needing to reboot the module Examples Command 0151 Response 01 Sends a command to reload the factory default calibration parameters for module 01 and returns a response indicating that the command was successful Command 0150 Response 01 Attempts to send a command to reload the factory default calibration parameters for module 01 but returns a response indicating that the command was unsuccessful because the command was incorrect Related Commands Section 2 6 AAO Section 2 7 AAON Section 2 8 AA1 Section 2 9 AA1N Section 2 11 AA3NVV Section 2 47 AAEV Related Topics Section 1 8 Calibration M 7026 User Manual Rev 1 4 Date 2015 09 17 84 M 7026 2 36 Description This command is used to inform all modules on the network that the host is OK Syntax CHKSUM CR Delimiter character 97 The Host OK command Response There is no response to this command Examples Command No response Sends a Host OK command to all modules on the network Related Command

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