Home

I-7088, I-7088D, M-7088 and M-7088D User Manual

1. 40737 PWM frequency R W 40752 40737 low word of channel 0 40738 high word of channel 0 etc 40801 PWM burst steps R W 40808 40486 Bits 5 0 R W Baud Rate 0x03 Ox0A Code 0x03 0x04 0x05 0x06 Baud 1200 2400 4800 9600 Code 0x07 0x08 0x09 Ox0A Baud 19200 38400 57600 11520 0 Bits 7 6 00 No parity 1 stop bit 01 No parity 2 stop bits 10 Even parity 1 stop bit 11 Odd parity 1 stop bit 40488 Modbus response delay time in ms valid R W range 0 30 40489 Host Watchdog timeout value 0 255 in RAW 0 1s 40495 LED configuration R W 40496 LED data for host mode R W 40498 Power down count R W l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 149 4 Operation Principles amp Application Notes 4 1 INIT pin Operation Principles All 1 7000 modules contain an EEPROM that can be used to store configuration information Consequently it is difficult for the user to determine the status of the l 7000 module If the INIT pin is connected to the GND pin while powering on the module the modules will enter the factory default settings without changing the EEPROM data The factory default settings are as follows Address 00 Baud Rate 9600 Checksum Disabled Data Format 1 Start 8 Data 1 stop If the INIT pin is disconnected from the GND pin the l 7000 module will be automatically configured according to the EEPROM data It is e
2. Isolation 2500 Voc Digital Input Channels 8 Type Sink Isolated ON Voltage Level 2 4 V 5 V OFF Voltage Level 1 V Max Max Frequency 1 MHz Max Counts 32bits 4 294 967 295 Built in Virtual Battery Backup for Counter Value Yes ESD Protection 4 kV Contact for each terminal and 8 kV Air for random point Isolation 2500 Voc Interface Interface RS 485 Format N 8 1 Baud Rate 1200 115200bps LED Display l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 LED as Power Communication Indicator Dimensions 72mm x 122mm x 35mm W x Lx H Power Input Voltage Range 10 30 Voc Power Consumption 2 4 W max Power Reverse Polarity Protection Yes 4kV ESD 4 kV EFT and 3 kV Surge Protection res Environment Operating Temperature 25 75 C Storage Temperature 40 85 C Humidity 5 95 non condensing l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 3 Block Diagram Embedded Controller PWM7 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 4 Application Wiring 1 4 1 PWM Wiring Connections Relay ON Drive Rela p 8 Y Hel oS PWMx PWMx 08 PwR GND DO GND Resistance 08 PWMx PWMx OS DO GND DO GND 1
3. Frame Ground Init m Normal l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 156 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 Refer to Section 1 12 1 for more information about the new DIN rail models l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 157 A 4 Node Information Area Each l 7000 and M 7000 module has a built in EEPROM to store configuration information such as the module address Type Code and Baud Rate etc One minor drawback is that there are no visual indications of the configuration of the module New 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 as module address and Baud Rate etc To access the node information areas first slide the covers outward as shown in the figure below l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 158 A 5 Reset Status The reset status of a module is set when the module is powered on or when the module is reset by the Module Watchdog
4. 00 Address Byte 1 to 247 01 Function code Byte 0x46 4 4 02 Sub function code 1 Byte 0x05 1 1 03 Reserved Byte 0x00 04 Baud Rate Byte 0x03 Ox0A Baud Rate code see Section 1 10 for details 05 Reserved 1 Byte 0x00 06 Parity 1 Byte 0x00 No parity 1 stop bit 0x01 No parity 2 stop bits 0x02 Even parity 1 stop bit 0x03 Odd parity 1 stop bit Reserved for other modules or firmware versions and should be zero 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0 DCON protocol 1 Modbus RTU protocol 09 Reserved 2 Bytes 0x00 0x00 10 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 140 Note This information is the data saved in the EEPROM and will be used for the next power on reset It is not the currently used settings Error Response 00 Address 1 Byte 1to247 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte 03 Reserved bytes should be filled with zeros or an incorrect number of bytes were received l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 141 3 3 4 Sub function 06 0x06 Set communication settings This sub function code is used to set the communication protocol of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x06 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte 0x03 Ox0A Baud Rate code
5. l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 59 Examples Command 01B Response 10110 Reads the power down count of module 01 and returns a response indicating that has happened 16 times Command 01BR Response 101 Clears the power down count of module 01 and returns a valid response indicating that the command was successful Command 01B Response 10100 Reads the power down count of module 01 and returns a response indicating that a power down event has never occurred Related Commands Section 2 18 AAB l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 60 2 20 AACnD Description This command is used to read the duty cycle value of a specific channel Syntax AACnD CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Cn Specifies the channel to be read D The command to read the duty cycle value Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF Data The duty cycle value for the specified channel 00 1 to 99 9 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 l 7088 and M 7088 User Manual R
6. Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 97 Examples Command 01W Response 101 Saves the PWM configuration for all channels into the EEPROM and returns a valid response After the next power on the PWM configuration will be automatically loaded from the EEPROM without giving any notification l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 98 2 39 AAYS Description This command is used to start the PWM synchronization Syntax AAYS CHKSUM CR Delimiter character AA The address of the module to be accessed 00 to FF The command to set the PWM synchronization 0 Stops the PWM synchronization 1 Starts the PWM synchronization Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 99 Examples Command 01Y1 Response 101 Starts t
7. Sets the software INIT of module 01 and returns a valid response Command 0101500700 Response 201 Attempts to change the Baud Rate of module 01 to 19200 without first altering the position of the INIT pin The module returns an invalid response because the software INIT timeout value is 0 Command 01T10 Response 101 Sets the software INIT timeout value of module 01 to 16 seconds and returns a valid response l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 131 Command 01 Response 101 Sets the software INIT of module 01 and returns a valid response Command 0101500700 Response 101 Attempts to change the Baud Rate of module 01 to 19200 without first altering the position of the INIT pin The module returns a valid response Related Commands Section 2 1 AANNTTCCFEF Section 2 54 AAI Related Topics Section A 1 INIT Mode Note It is recommended that the software INIT timeout value is reset to 0 once any changes to the Baud Rate and checksum settings have been completed in order to ensure that these settings are not inadvertently modified l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 132 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 www modicon com techpubs toc7 html You can also visit http www modbus org to find out more valuable i
8. 0181 Response 101 Sets the LED to show the count for DI channel 1 and returns a valid response Related Commands Section 2 15 AA8V Section 2 17 AA9 Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 54 2 17 AA9 Data Description This command is used to send data to the LED display Syntax AA8 CHKSUM CR Delimiter character AA The address of the module where the data is to be sent 00 to FF The command to send data to the LED display Data 5 decimal digits 1 decimal point Max 99999 Min 0 0000 Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR l Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 99 Examples Command 0199999 Response 101 Displays 99999 when the configuration LED is set to Host Control mode and returns a valid response Related Commands Section 2 15 AA8V Section 2 16 AA8V l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 56 2 18 SAAB Description This command is used to read the power down count Syntax AAB CHKSUM CR Delim
9. AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 111 Examples Command 01D01 Response 101 Sets the miscellaneous settings of module 01 and returns a valid response Related Commands Section 2 44 AAD l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 112 2 46 AAO Name Description This command is used to set the name of a module Syntax AAO Name CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF O The command to set the name of the module Name The new name of the module max 6 characters Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 113 Examples Command 0107088 Response 101 Sets the name of module 01 to 7088 and returns a valid response Command 01M Res
10. Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF S The overflow flag of channel N 0 The counter has not exceeded the maximum counter value and the overflow flag has been cleared 1 The counter has exceeded the maximum counter value and the overflow flag has been set l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 49 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 0170 Response 1010 Reads the status of the overflow flag for counter O of module 01 and returns a response indicating that the counter has not been exceeded Related Commands Section 2 7 AA3N Section 2 8 AA3N Data Section 2 12 AA6N Section 2 13 SAA6NN l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 50 2 15 AA8 Description This command is used to read the configuration of the LED Syntax AA8 CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF 8 The command to read the configuration of the LED Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the
11. 0x00 06 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 138 3 3 2 Sub function 04 0x04 Set module address This sub function code is used to set the address of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 New address 1 Byte 1 to 247 04 Reserved 3 Bytes 0x00 0x00 0x00 06 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 Set address result 1 Byte 0 OK Others error 04 Reserved 3 Bytes 0x00 0x00 0x00 06 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 bytes should be filled with zero or an incorrect number of bytes were received l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 139 3 3 3 Sub function 05 0x05 Read communication settings This sub function code is used to read the communication protocol settings of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Reserved 1 Byte 0x00 Response
12. 145 3 3 7 Sub function 42 0x2A Write miscellaneous settings This sub function code is used to set the miscellaneous settings of a module Request 00 Address 1 Byte 1to247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x2A 03 Miscellaneous 1 Byte The checksum settings and settings the input range settings of the module see Section 1 7 for details Note Reserved fields are filled with zeros Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x2A 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 zeros or an incorrect number of bytes were received l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 146 3 4 M 7088 Address Mappings Address Description Attribute 00001 PWM status R W 00008 0 Stopped 1 Started 00065 Overflow of DI counter write 1 to R W 00072 clear 00225 DI counter status R W 00232 0 Disabled 1 Enabled 00257 Protocol R W 0 DCON 1 Modbus RTU 00260 Modbus Host Watchdog mode R W 0 The same as l 7000 series modules 1 The AO and DO command will clear Host Watchdog timeout status 00261 Host Watchdog R W 0 Disabled 1 E
13. 2 e Step 6 Read the DI counter value 00000000 of channel 2 e Step 7 Enable the DI counter of channel 2 e Step 8 Read the DI counter value xxxxxxxx of channel 2 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 12 PWM Output 1 Type 01C0F100000 Enter gt Receive gt 01100000 2 Type 01C0D50 0 Enter gt Receive gt 0150 0 3 Type 01C0M1 Enter gt Receive gt 01 4 Type 01D001 Enter gt Receive gt 01 Step 1 Set the frequency of PWM channel 0 to 100 KHz Step 2 Set the duty cycle of PWM channel 0 to 50 0 Step 3 Set PWM channel 0 to continuous mode Step 4 Start the output of PWM channel 0 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 6 Default Settings The default settings are as follows e Address 01 e Baud Rate 9600 e Checksum disabled e Data 1 Start 8 Data 1 Stop no parity e PWM Frequency 10 KHz e PWM Duty Cycle 50 PWM Steps 1 Continuous Type l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 7 Configuration Tables Baud Rate Setting CC Code 03 04 05 06 07 08 09 OA oe 1200 2400 4800 9600 19200 38400 57600 115200 Bits 7 6 Description 00 No parity and one stop bit 01 No parity and two stop bits 10 Even parity and one stop bit 11 Odd parity and one stop bit Configuration Code Table TT TT Input Range 50 Counter
14. 4 2 DI Counter Wiring Connections Relay ON Relay Off Relay Relay Close 08 DLcom per Open taS DI COM Voltage gt 5VY gt Voltage gt 5VY Voltage lt 0 8V TTL CMOS Logic P Power DIX Logic Power ne DIx Logic mn ie Low Logic Level High DI COM gt 06 DI com Open Collector On Open Collector Off NPN t IH DE Dix IH DG Dix Open Collector On Open Collector Off PNP e mp IH D8 DIx IH D8 Dix l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 11 1 5 Quick Start Refer to http www icodas com download 7000 manual htm and use the DCON Utility to control the module Otherwise use DCON Utility gt Terminal gt Command Line and follow the commands shown below DI Status and Counter 1 Type 01DI Enter gt Receive gt 01xx01 2 Type 01500 Enter gt Receive gt 01 3 Type 01P200000000 Enter gt Receive gt 01 4 Type 0132FFFFFFFF Enter gt Receive gt 01 5 Type 0162 Enter gt Receive gt 01 6 Type 012 Enter gt Receive gt gt 00000000 7 Type 01504 Enter gt Receive gt 01 8 Type 012 Enter gt Receive gt gt XXXXXXXX e Step 1 Read the DI status channel 0 1 channel 1 0 etc e Step 2 Disable the DI counter of channel 2 e Step 3 Set the DI preset counter value 00000000 of channel 2 e Step 4 Set the DI max counter value FFFFFFFF of channel 2 e Step 5 Reset the DI counter of channel
15. Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to the active status of the DI as indicated below The other bits are reserved 0 Input value 1 for non signal or low voltage Input value O for high voltage 1 Input value 1 for high voltage Input value O for non signal or low voltage 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 109 Examples Command 01D Response 10101 Reads the miscellaneous settings of module 01 and returns a value of 01 Related Commands Section 2 45 AADVV l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 110 2 45 AADVV Description This command is used to set the miscellaneous settings Syntax AADVV CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF D The command to set the miscellaneous settings VV A two digit hexadecimal value where bit 0 corresponds to the active status of the DI as indicated below The other bits are reserved 0 Input value 1 for non signal or low voltage Input value O for high voltage 1 Input value 1 for high voltage Input value O for non signal or low voltage Response Valid Command AAVV CHKSUM CR InValid Command
16. If the bit is O it denotes that the channel is not set to use PWM output l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 134 Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x82 02 Exception code 1 Byte 02 The starting channel is out of range 03 The starting channel number of input channels is out of range or an incorrect number of bytes were received l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 135 3 2 04 0x04 Read DI Count This function code is used to read the count of the analog input channels Request 00 Address 1 Byte 1to247 01 Function code 1 Byte 0x04 02 Starting channel 2 Bytes 0x00 to OxOF where 0x00 03 corresponds to the low word of channel 0 0x01 corresponds to the high word of channel 0 etc 04 Number ofinput 2 Bytes N 1 to 8 Starting channel 05 channels N N should be less than or equal to 0x08 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x04 02 Byte count 1 Byte 2xN 03 Input channel data 2 x N Data in 2 s complement Bytes hex format Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x84 02 Exception code 1 Byte 02 The starting channel is out of range 03 The starting channel number of input channels is out of range or an incorrect numbe
17. for module 01 to Modbus RTU and returns an invalid response because the module is not in INIT mode Command 01P1 Response 101 Sets the communication protocol for module 01 to Modbus RTU and returns a valid response Related Commands Section 2 35 AAP l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 94 2 37 AAR Description This command is used to reset the PWM Syntax AAR CHKSUM CR Delimiter character AA The address of the module to be reset 00 to FF R The command to reset the PWM Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 95 Examples Command 01R Response 101 Resets the PWM and stops all of the outputs and returns a valid response l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 96 2 38 SAAW Description This command is used to save the PWM configuration Syntax AAW CHKSUM CR Delimiter character AA The address of the module to be accessed 00 to FF W The command to save the PWM configuration Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR
18. see Section 1 10 for details 05 Reserved 1 Byte 0x00 06 Parity 1 Byte 0x00 No parity 1 stop bit 0x01 No parity 2 stop bits 0x02 Even parity 1 stop bit 0x03 Odd parity 1 stop bit Reserved for other modules or firmware versions and should be zero 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0 DCON protocol 1 Modbus RTU protocol 09 Reserved 2 Bytes 0x00 0x00 10 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 142 M 7015 15P M 7033 33D Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x06 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte 0 OK Others error 05 Reserved 1 Byte 0x00 06 Parity 1 Byte 0 OK Others error 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0 OK Others error 09 Reserved 2 Bytes 0x00 0x00 10 Note The new Baud Rate and protocol will be effective after the next power on reset Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte 03 The Baud Rate or mode is out of range reserved bytes should be filled with zeros or an incorrect number of bytes were received l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 3 3 5 Sub function 32 0x20 Read firmware version This sub function code is used to read the firmware version information of a modul
19. version A2 0 Command 02F Response 102B1 1 Reads the firmware version of module 02 and shows that it is version B1 1 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 86 2 33 AAI Description This command is used to read the status of the INIT switch of a module Syntax AAI CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF l The command to read the status of the INIT switch of the module Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF S 0 The INIT switch is in the INIT position 1 The INIT switch is 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 87 Examples Command 011 Response 1010 Reads the status of the INIT switch of module 01 The response shows that the INIT switch is in the INIT position l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 88 2 34 AAM Description This command is used to read the name of a module Syntax AAM CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF M The command to read the module name Response Valid Co
20. 12 106 2 43 AAPN Data Description This command is used to set the preset count value of a specific channel Syntax AAPN Data CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF P The command to set the preset value of the DI counter N Specifies the channel to be set zero based Data 8 hexadecimal digits 00000000 to FFFFFFFE representing the preset count value Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 107 Examples Command 01P000000000 Response 101 Sets the preset count value for counter 0 of module 01 to O and returns a response indicating that the command was successful Related Commands Section 2 42 AAGN l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 108 2 44 AAD Description This command is used to read the miscellaneous settings Syntax AAD CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF D The command to read the miscellaneous settings Response Valid Command AAVV CHKSUM CR InValid Command AA CHKSUM CR
21. 2 e Software and hardware trigger mode for PWM output e Individual and synchronous PWM output By using software trigger mode you can set the configuration for all PWM channels then trigger them either individually or all at the same time e Burst mode PWM operation for standby e DI channel can be configured as either a simple digital input channel or a hardware trigger source for the PWM output l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 5 Applications e Controlling the position speed of motors e Controlling the brightness of lamps e Controlling the speed of fans More Information Refer to Chapter 1 of the l 7000 Bus Converter User Manual for more information regarding the following 1 1 1 7000 Overview 1 2 1 7000 Related Documentation 1 3 l 7000 Common Features 1 4 1 7000 System Network Configuration 1 5 1 7000 Dimensions l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 1 Pin Assignments 7088D M 7088 GND 13 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 1 2 Specifications PWM Output Channels 8 Type TTL Isolated Max Frequency 500 KHz Duty Cycle 0 1 99 9 PWM Mode Burst mode Continuous mode Burst Mode Counter 1 65535 counts Trigger Start Hardware or Software ESD Protection 4 kV Contact for each terminal and 8 kV Air for random points
22. 52 Virtual Battery Backup Note For type 52 the count value will continue from the last power off value Data Format Settings FF 6 5 4 3 2 1 0 CS Reserved Key Description CS Checksum setting 0 Disabled 1 Enabled Note Reserved bits should be zero l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 15 2 DCON Protocol All communication with l 7000 modules consists of commands generated by the host and responses transmitted by the l 7000 module Each module has a unique ID number that is used for addressing purposes and is stored in non volatile memory The ID is 01 by default and can be changed using a user command All commands sent to a module contain the ID address meaning that only the addressed module will respond The only exception to this is command Section 2 49 which is sent to all modules but in this case the modules do not reply to the command Command Format Leading Module Character Address COMmMand CHKSUM CR Response Format Leading Module Character Address Data CHKSUM CR CHKSUM A 2 character checksum that is present when the checksum setting is enabled See Sections 1 7 and 2 1 for details CR The End of command character carriage return 0x0D l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 16 Checksum Calculation Calculate the ASCII code sum
23. C1D33 4 Response 10133 3 Sets the duty cycle of PWM channel 1 of module 01 to 33 4 and returns the true output value of 33 3 Related Commands Section 2 20 AACnD l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 64 2 22 AACnF Description This command is used to read the frequency value of a specific channel Syntax AACnF CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Cn Specifies the channel to be read F The command to read the frequency value Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF Data The actual frequency value for the specified channel 000001 to 500000 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 65 Examples Command 01COF Response 101500000 Reads the frequency value for PWM channel 0 of module 01 and returns a value of 500 KHz Command 01C2F Response 101000001 Reads the frequency value for PWM channel 2 of module 01 and returns a value of 1 Hz Related Commands Section 2 23 H AACnF Data l 7088 and M 7088
24. Configuration Table Sare nasan lios 15 2 GON Protocol ina 16 2 igs AS EE E E En 21 A e ie mien ones area e ea a ae alate eee a eat 25 2 o HAAN A A AO 27 O ae aaee A a encaaae a aia 29 25 AAAC DD O 31 26 AA2 atadas 33 Tg ai whee tats e a E Cae snd eee eames 35 2 8 DAA O As A E R 37 O a a err ee re 39 210A AASV NO 41 TERA AAA AAA AAA AA AA AAA A AAA 43 242 FAAO N AA as 45 2 13 AAGNN pra A a A A AO 47 PRW E ANATA N PEREAT AERE AE E O TAA E A E EE TE 49 ANSAN YAY A e EEE A AA 51 A V cua cece hihi ea arc ate ab seen ci 53 217 AINA Dea hace ie Sane cee le Cache Celi Ahi ae AN Ce hhh Coie hile kel Ai 55 RS A a a A ae 57 ZADE AB ii id 59 A D E A A AAE 61 2 21 AA A A 63 RS O eR P RENE PERT CPT RE EPEC RPM R ERECT RE TA PETEE AEAEE IERT 65 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 2 223 AA CAF Da dias 67 2 24 AAGNM O 69 225 AACNMS eRe ROR a a eee ee eT a eee 71 PPA SAR Y A VANE D ar IS naan inate aa 73 LND A e AE E 75 O A A RN AERES 77 PAPAS ASS A A A 79 A A RA 81 231s SAACAN A aus incabonsinei ateeveiabaianecs eaetunataniaimesiacsinitbncines ERE 83 EECA S a ee IN See eee 85 A A aul angele ee ienke a 87 IS SAAM ceesh ash teak ea 89 239 PAA Po AAA AAA AAA OR R 91 2 36 PAAPN A aeie O A I E RRRS 93 ZB Cos PE cs sche E aid 95 ISI ans 97 O O eaaa a E A S 99 IO DADO DD 101 2 gh ecos d oda 103 BAA O a aeaseensermensits 105 LAS DAREN DA ES 107 2AA RAAD O ROS 109 245 AADVV A a 111 2 40 AAO NAIM
25. Mode Note The AATnn command should be sent prior to sending this command see Section 2 55 for details l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 129 2 55 AATnn Description This command is used to set the timeout value for the software INIT Syntax AATnn CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF T The command to set the timeout value for the software INIT nn Two hexadecimal digits representing the timeout value in seconds The max timeout value is 60 seconds When changing the Baud Rate and checksum settings without altering the position of the INIT pin the AAI and AANNTTCCFF commands should be sent consecutively and the time interval between the two commands should be less than the software INIT timeout value If the software INIT timeout value is 0 then the Baud Rate and checksum settings cannot be changed using software only The power on reset value of the Software INIT timeout is 0 Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 130 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 101
26. User Manual Rev A1 2 7MH 026 A12 66 2 23 AACnF Data Description This command is used to set the frequency value for a specific channel Syntax AACnF Data CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF Cn Specifies the channel to be set F The command to set the frequency value Data The frequency value for the specified channel 000001 to 500000 Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF Data The actual frequency value for the specified channel 000001 to 500000 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 67 Examples Command 01C0F500000 Response 101500000 Sets the frequency value for PWM channel O of module 01 to 500 KHz and returns the actual frequency of 500 KHz The duty cycle value will be automatically set to 50 0 Command 01C2F340000 Response 101333333 Sets the frequency value for PWM channel 2 of module 01 to 340 KHz and returns the actual frequency of 333333 Hz The duty cycle value will be automatically set to 33 3 Related Commands Section 2 22 AACnF Note After using the AACnF Data com
27. WM Command Sets Command Response Description Section HAA gt Data Reads the count 2 2 AAN gt Data Reads the count of a specific 23 channel Sets the output for a specific HAA1CDD gt PWM channel 2 4 Sets the output for a specific HAAACDD gt PWM channel 2 5 SAA3N IAA Reads the max counter 27 value of a specific channel AA3N data IAA Sets the max counter value 28 for a specific channel AA5VV IAA Sets the counter status for a 210 specific channel AA6 IAASS Reads the counter status 2 11 SAAGN IAA Resets the counter of a 212 specific channel AA6NN IAA Resets the counter of a 213 specific channel Reads the status of the AA7N IAAS overflow for a specific 2 14 channel AAB IAAS Reads the power down count 2 18 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 AABR IAA Clears the power down count 2 19 AACnD IAA data Reads the duty cycle value of 990 a specific channel AACnD data IAA Sets the duty cycle value for 907 a specific channel AACnF IAA data Reads the frequency value of 9 00 a specific channel AACnF data AA Sets the frequency value for 0 03 a specific channel AACNM AAS Reads the continuous mode 904 status of a specific channel AACnMS IAA Sets the continuous mode for 225 a specific channel AACnP IAA data Reads the PWM step value of 226 a specific channel AACnP data IAA Sets the PWM ste
28. ame as the AA1cDD command l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 32 2 6 AA2 Description This command is used to read the configuration of a module Syntax AA2 CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF 2 The command to read the module configuration Response Valid Command AATTCCFF CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF TT The Type Code of the module see Section 1 7 for details CC The Baud Rate code of the module see Section 1 7 for details FF The checksum settings and the input range settings of the module see Section 1 7 for details There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 33 Examples Command 012 Response 101500600 Reads the configuration of module 01 and returns a valid response Command 022 Response 102520600 Reads the configuration of module 02 and returns a valid response Related Commands Section 2 1 AANNTTCCFF Related Topics Section 1 7 Configuration Tables l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 34 2 7 AA3N Description This command is used to read the maximum counter va
29. and AA CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect Data The DI count of the specified channel AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 27 Examples Command 032 Response gt 00000008 Reads data from channel 2 of module 03 and returns a valid response Command 029 Response 202 Reads data from channel 9 of module 02 An error is returned because channel 9 is invalid Related Commands Section 2 2 AA l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 28 2 4 AA1cDD Description This command is used to set the status of a specific PWM channel Syntax AA1cDD CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF The command to set the status of the PWM c Specifies the channel to be set DD 00 Sets the PWM output port to off 01 Sets the PWM output port to on Response Valid Command gt CHKSUM CR InValid Command AA CHKSUM CR gt Delimiter character for a valid command 2 Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command
30. and is cleared after the responding to the first AA5 command This can be used to check whether the module has recently been reset When 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 When 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 the power on value l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 159
31. asy to determine the EEPROM configuration data in the default settings using the following steps Step 1 Power off the module and connect the INIT pin to the GND pin Step 2 Power on the module Step 3 Send the command string 002 0x0D to the module The module will respond with the EEPROM data Step 4 Record the EEPROM data for this l 7000 module Step 5 Power off the module and disconnect the INIT _pin from the GND pin Step 6 Power on the module l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 150 4 2 PWM Operation Principle 1 The PWM output modules will be turned OFF after being powered on for the first time 2 If the Host Watchdog is active the PWM output modules will stop automatically and cannot be re started The module status will then be set to 04 meaning that If the host computer then sends n AADO command to those modules the command will be ignored and an invalid command delimiter character will be sent in response as warning information An AA1 command can be sent by the host to clear the module status to 0 and then the module will accept AADO commands again 3 The PWM configuration will be loaded from EEPROM after being powered on for the first time 4 After modifying the PWM configuration use the AAW command to save all PWM configurations in the EEPROM so that they will be loaded when the module is next powered on 5 The limit of the frequency and the
32. ating that PWM channel 0 is active and the others are inactive and DI channels 4 5 6 and 7 are active and the others are inactive Related Commands Section 2 40 AADODD Section2 44 AAD Section 2 45 AADVV l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 104 2 42 AAGN Description This command is used to read the preset count value of a specific channel Syntax AAGN CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF G The command to read the preset value of the DI counter N Specifies the channel to be read zero based Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF Data 8 hexadecimal digits 00000000 to FFFFFFFE representing the preset count 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 105 Examples Command 01G0 Response 10100000000 Reads the preset count value for counter 0 of module 01 and returns a response indicating that the preset value is 0 Related Commands Section 2 43 AAPN Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A
33. ddress 00 2 Baud Rate 9600 bps 3 No checksum 4 Protocol DCON The configuration information stored in the EEPROM is not changed and can be read by sending the 002 CR command at 9600bps There are other commands that require the module to be in INIT mode They are 1 AANNTTCCFE which is used when changing the Baud Rate and checksum settings See Section 2 1 for details 2 AAPN see Section 2 36 for details l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 153 Originally INIT mode was accessed by connecting the INIT terminal to the GND terminal New l 7000 and M 7000 modules have 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 INIT Switch A l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 154 A 2 Dual Watchdog Operation Dual Watchdog Module Watchdog Host Watchdog The Module Watchdog is a hardware reset circuit that monitors the operating status of the module While working in harsh or noisy environments the module may be shut down by external signals The reset circuit allows the module to work continuously without disruption The Host Watchdog is a software function that monitors the op
34. dule 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 83 Examples Command 01C0N1 Response 101 Sets the synchronization status for PWM channel 0 to enabled and returns a valid response Command 01C1NO Response 101 Sets the synchronization status for PWM channel 1 to disabled and returns a valid response Related Commands Section 2 30 AACnN Section 2 39 AAYS l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 84 2 32 AAF Description This command is used to read the firmware version of a module Syntax AAF CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF F The command to read the firmware version Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF Data The firmware version 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 85 Examples Command 01F Response 101A2 0 Reads the firmware version of module 01 and shows that it is
35. duty cycle is Amplitude Duty Cycle 100 X Y Frequency 1 Y Hz The Lowest unit of X 1us The Lowest unit of Y 2us 1 If the frequency is set to 1 1000Hz the duty cycle can be set to 00 1 99 9 2 If the frequency is set to 1001 10000Hz the duty cycle can be set to 1 99 3 Otherwise the frequency and the duty cycle is not complete l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 151 Examples If the frequency is 500000Hz Supports a duty cycle of 50 only If the frequency is 333333Hz Supports duty cycles of 33 3 and 66 6 only If the frequency is 400000Hz Modifies the frequency to 333333Hz and supports duty cycles of 33 3 and 66 6 only l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 152 Appendix A 1 INIT Mode 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 Type Code and Baud Rate etc Occasionally the configuration of a module may be forgotten and there are no visual indications of the configuration of the module It is difficult to communicate with the module when the configuration of the module is unknown To help avoid this problem the l 7000 and M 7000 series has a special mode called 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 A
36. e 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 OxFF 04 Minor version 1 Byte 0x00 OxFF 05 Build version 1 Byte 0x00 OxFF 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 144 3 3 6 Sub function 41 0x29 Read miscellaneous This sub function code is used to read the miscellaneous settings of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 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 The checksum settings settings and the input range settings of the module see Section 1 7 for details Note The reserved fields are filled with zeros 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12
37. e Command 010 Response 10100 Reads the status of the Host Watchdog of module 01 and shows that no Host Watchdog timeout has occurred Related Commands Section 2 49 Section 2 50 AAO Section 2 52 AA2 Section 2 53 AA3ETT Related Topics Section A 2 Dual Watchdog Operation l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 123 2 52 AA2 Description This command is used to read the timeout value of a module s Host Watchdog Syntax AA2 CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF 2 The command to read the Host Watchdog timeout value Response Valid Command AAETT CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF E 0 The Host Watchdog is disabled 1 The Host Watchdog is enabled TT Two hexadecimal digits to represent the timeout value in tenths of a second for example 01 denotes 0 1 seconds and FF denotes 25 5 seconds 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 124 Examples Command 012 Response 1011 FF Reads the Host Watchdog timeout value of module 01 and returns FF which denotes that the Host Watchdog is enabled and the Host Watchdog
38. en a Host Watchdog timeout occurs the module will return an invalid response for this command and the PWM value that was sent is ignored l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 102 2 41 AADI Description This command is used to read the status of the PWM output port and the digital input port Syntax AADI CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF DI The command to read the status of the PWM and digital input Response Valid Command AAOOII CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF 00 A two digit hexadecimal value where bit O corresponds to PWM channel 0 and bit 1 corresponds to PWM channel 1 etc When the bit is 0 it denotes that the PWM is inactive and 1 denotes that the PWM is active Il A two digit hexadecimal value where bit O corresponds to DI channel 0 and bit 1 corresponds to DI channel 1 etc When the bit is 0 it denotes that the DI is inactive and 1 denotes that the DI is active l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 103 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 01DI Response 10101FO Reads the status of the PWM and DI and returns a response indic
39. er for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 79 Examples Command 01C0T2 Response 101 Sets the status of the hardware trigger for PWM channel 0 to trigger stop and returns a valid response When the rising edge of the DI is received the status of the PWM will be set to trigger stop Command 01C1T0 Response 1010 Sets the status of the hardware trigger for PWM channel 1 to disabled and returns a valid response The PWM channel 1will not be affected when the rising edge of the DI is received Related Commands Section 2 28 AACnT l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 80 2 30 AACnN Description This is command is used to read the PWM synchronization status of a specific channel Syntax AACnN CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Cn Specifies the channel to be read N The command to read the PWM synchronization status Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An in
40. erating status of the host Its purpose is to prevent problems due to network communication errors or host malfunctions When a Host Watchdog timeout occurs the module will reset all outputs to a safe state in order to prevent any erroneous operations of the controlled target l 7000 and M 7000 series modules include an internal Dual Watchdog making the control system more reliable and stable For more information regarding the Dual Watchdog please refer to Chapter 5 of the Getting Started for l 7000 Series Modules manual that can be downloaded from the ICP DAS website http www icpdas com l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 155 A 3 Frame Ground Electronic circuits are constantly vulnerable to Electro Static Discharge ESD which become worse in a continental climate area Some l 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 module is more reliable Either of the following options will provide a better protection for the module 1 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
41. esponse Sends a Host OK command to all modules Related Commands Section 2 50 AAO Section 2 51 AA1 Section 2 52 AA2 Section 2 53 AA3ETT Related Topics Section A 2 Dual Watchdog Operation l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 119 2 50 AAO Description This command is used to read the status of a module s Host Watchdog Syntax AA0 CHKSUM CR Delimiter character AA The address of the module to be read 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 for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF SS Two hexadecimal digits that represent 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 The status of the Host Watchdog is stored in EEPROM and can only be reset by using the AA1 command l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 120 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 10100 Reads the status of the Host Watchdog of m
42. et to more than 1 step the PWM continuous mode will be automatically set to disabled Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 75 Examples Command 01C0P0001 Response 101 Sets the PWM step value for channel 0 to 1 and returns a valid response Command 01C1P001A Response 101 Sets the PWM step value for channel 1 to 4096 steps and returns a valid response The PWM continuous mode for channel 1 will be automatically set to disabled Related Commands Section 2 24 AACnM Section 2 25 AACnMS Section 2 26 AACNP l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 76 2 28 AACnT Description This command is used to read the status of the PWM hardware trigger of a specific channel Syntax AACnT CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Cn Specifies the channel to be read T The command to read the PWM hardware trigger Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid com
43. eturns 164 which denotes that the Host Watchdog is enabled and the Host Watchdog timeout value is 10 0 seconds Related Commands Section 2 49 Section 2 50 AAO Section 2 51 AA1 Section 2 52 AA2 Related Topics Section A 2 Dual Watchdog Operation Note When a Host Watchdog timeout occurs the Host Watchdog is disabled and all PWM outputs are stopped The AA3EVV command should be sent again to re enable the Host Watchdog l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 127 2 54 AAI Description This command is the software INIT command and is used to enable modification of the Baud Rate and checksum settings using software only Syntax AAI CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF l The command to set the software INIT Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command 2 Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 128 Examples Command 01 Response 101 Sets the software INIT of module 01 and returns a valid response Related Commands Section 2 1 AANNTTCCEFEF Section 2 55 AATnn Related Topics Section A 1 INIT
44. ev A1 2 7MH 026 A12 61 Examples Command 01C0D Response 10150 0 Reads the duty cycle value for PWM channel 0 of module 01 and returns a value of 50 Command 01C1D Response 10133 3 Reads the duty cycle value for PWM channel 1 of module 01 and returns a value of 33 3 Related Commands Section 2 21 AACnD Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 62 2 21 AACnD Data Description This command is used to set the duty cycle value for a specific channel Syntax AACnD CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF Cn Specifies the channel to be set D The command to set the duty cycle value Data The duty cycle value for the specified channel 00 1 to 99 9 Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF Data The actual duty cycle value for the specified channel 00 1 to 99 9 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 63 Examples Command 01C0D50 0 Response 10150 0 Sets the duty cycle value for PWM channel 0 of module 01 to 50 and returns the true output value of 50 Command 01
45. he PWM output that has been set to synchronized and returns a valid response Command 01Y0 Response 101 Stops the PWM output that has been set to synchronized and returns a valid response l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 100 2 40 AADODD Description This command is used to set the status of the PWM output port Syntax AADODD CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF DO The command to set the status of the PWM output port DD A two digit hexadecimal value where bit 0 corresponds to PWM channel 0 and bit 1 corresponds to PWM channel 1 etc When the bit is 0 it denotes that the PWM output port is off and 1 denotes that the PWM output port is on Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command 2 Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 101 Examples Command 01D033 Response 101 Sets the PWM output port for channel 0 to on channel 1 to on channel 2 to off channel 3 to off channel 4 to on and channel 5 to on and the module returns a valid response Related Commands Section 2 41 AADI Note Wh
46. hexadecimal value where bit 0 corresponds to channel 0 bit 1 corresponds channel 1 etc When the bit is 0 it means that the channel is inactive and 1 means that the channel has been reset Response Valid Command AAVV CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 47 Examples Command 01601 Response 101 Resets the counter 0 of module 01 to the preset value and returns a valid response indicating that the command was successful Related Commands Section 2 42 AAGN Section 2 43 AAPN Data Section 2 11 AA6 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 48 2 14 AA7N Description This command is used to read the status of the overflow flag for a specific channel Syntax AA7N CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF The command to read the status of the overflow flag N Specifies the channel to be read zero based Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command
47. ince 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 39 Examples Command 015 Response 1011 Reads the reset status of module 01 The response shows that it is the first time the AA5 command has been sent since the module was powered on Command 015 Response 1010 Reads the reset status of module 01 The response shows that there has been no module reset since the last AA5 command was sent l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 40 2 10 AA5VV Description This command is used to specify the channel number of the DI counter to be enabled Syntax AA5VV CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF 5 The command to set the counter status VV A two digit hexadecimal value where bit 0 corresponds to channel 0 and bit 1 corresponds channel 1 etc When the bit is 0 it denotes that the channel is disabled and 1 denotes that the channel is enabled Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is
48. ion This command is used to set the response delay time Syntax AARDTT CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF RD The command to set response time TT Two hexadecimal digits to represent the response time value in milliseconds The value must be less than or equal to 1E For example 01 denotes 1 millisecond and 1A denotes 26 milliseconds Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 117 Examples Command 01RD10 Response 101 Sets the response time to 16 milliseconds and returns a valid response Command 01RD Response 10110 Reads the response time and returns a value of 16 milliseconds The response will be sent after 16 milliseconds have elapsed Related Commands Section 2 47 AARD l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 118 2 49 Description This command is used to inform all modules that the Host is OK Syntax CHKSUM CR Delimiter character rx The Host OK command Response No response Examples Command kk N No r
49. isabled Related Commands Section 2 10 AA5VV l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 44 2 12 AA6N Description This command is used to reset the counter of a specific channel Syntax AA6N CHKSUM CR Delimiter character AA The address of the module to be reset 00 to FF The command to reset the counter N Specifies the channel to be reset zero based Response Valid Command AAVV CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 45 Examples Command 0160 Response 101 Resets the counter 0 of module 01 to the preset value and returns a valid response indicating that the command was successful Related Commands Section 2 42 AAGN Section 2 43 AAPN Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 46 2 13 SAAGNN Description This command is used to reset the DI counter of a specific channel Syntax AA6N CHKSUM CR Delimiter character AA The address of the module to be reset 00 to FF 6 The command to reset the DI counter NN A two digit
50. iter character AA The address of the module to be read 00 to FF B The command to read the power down count Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF Data 2 hexadecimal digits 00 to FF representing the count data 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 57 Examples Command 01B Response 10110 Reads the power down count for module 01 and returns a response indicating that has happened 16 times Related Commands Section 2 19 AABR l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 58 2 19 AABR Description This command is used to clear the power down count Syntax AABR CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF BR The command to clear the power down count Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address
51. l 7088 1 7088D M 7088 and M 7088D User Manual l 7000 New Features Internal Self Tuner Multiple Baud Rates Multiple Data Formats Your Powerful Tools Create New Ideas Internal Dual WatchDog True Distributed Control High Speed amp High Density I O Create New Applications Warranty All products manufactured by ICP DAS are warranted against defective materials for a period of one year from the date of delivery to the original purchaser Warning ICP DAS assume no liability for any damages consequent to the use of this product ICP DAS reserves the right to change this manual at any time without notice 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 2010 by ICP DAS Co Ltd All rights are reserved Trademarks Names are used for identification purposes only and may be registered trademarks of their respective companies Table of Contents peice ee ease 5 Wet IANS SIMI NS cec ences oe E AA E EES 7 1 2 Spesitica tons aora aea aeaea a eaea a aea aaral 8 1 3 Block Dia Mi cananea dna aia Ea 10 E a aaa Nia aana aaa Rea eA 11 1 4 1 PWM Wiring Connections epale 11 1 4 2 Dl Counter Wiring CONNectiONS cocooonnccccccnnnccnccncnnnncccnnncnnnnnnnnnanos 11 A A o E 12 1 6 Default E A OO 14 1
52. lue Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 37 Examples Command 030FFFFFFFF Response 103 Sets the maximum counter value of counter 0 at address 03 to 4294967295 and returns a response indicating that the command was successful Related Commands Section 2 7 AA3N l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 38 2 9 AA5 Description This command is used to read the reset status of a module Syntax AA5 CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF 5 The command to read the reset status of the module Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF S 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 s
53. lue for a specific channel Syntax AA3N CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF The command to read the maximum counter value N The channel to be read zero based Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF Data 8 hexadecimal digits 00000001 to FFFFFFFF representing the maximum counter 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 35 Examples Command 0130 Response 101 FFFFFFFF Reads the maximum counter value of channel 0 at address 01 returns a value of 4294967295 Related Commands Section 2 8 AA3N Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 36 2 8 AA3N Data Description This command is used to set the maximum counter value for a specific channel Syntax AA3N CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF 3 The command to set the maximum counter value N The channel to be set zero based Data 8 hexadecimal digits 00000001 to FFFFFFFF representing the maximum counter va
54. mand An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF S 0 The hardware trigger is disabled 1 The trigger start is enabled 2 The trigger stop 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 77 Examples Command 01COT Response 1011 Reads the status of the hardware trigger for PWM channel 0 and returns a response indicating that the PWM channel 0 trigger will start when the rising edge of the DI is received Command 01C1T Response 1010 Reads the status of the hardware trigger for PWM channel 1 and returns a response indicating that PWM channel 1 will not be affected when the rising edge of the DI is received Related Commands Section 2 29 AACnTS l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 78 2 29 AACnTS Description This command is used to set the hardware trigger for a specific channel Syntax AACnTS CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF Cn Specifies the channel to be set The command to set the PWM hardware trigger 0 Disables the hardware trigger 1 Enables the trigger start 2 Enables the trigger stop Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter charact
55. mand the duty cycle value will be automatically reset to 50 0 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 68 2 24 AACnM Description This command is used to read the continuous mode status of a specific channel Syntax AACnM CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Cn Specifies the channel to be read M The command to read the continuous mode Response Valid Command AAS CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF S 0 PWM continuous mode is disabled 1 PWM continuous mode 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 69 Examples Command 01COM Response 1010 Reads the PWM continuous mode of channel 0 and returns a response indicating that it is disabled Command 01C1M Response 1011 Reads the PWM continuous mode of channel 1 and returns a response indicating that it is enabled Related Commands Section 2 25 AACnMS Section 2 26 AACnP Section 2 27 AACnP Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 70 2 25 AACnMS Descri
56. mmand AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF Name 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 89 Examples Command 01M Response 1017088 Reads the name of module 01 and returns the name 7088 Related Commands Section 2 46 AAO Name l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 90 2 35 S AAP Description This command is used to read which communication protocol is supported and being used by the module Syntax AAM CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF P The command to read the communication protocol Response Valid Command AASC CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF S 0 Only the DCON protocol is supported 1 Both the DCON and Modbus RTU protocols are supported C 0 The protocol set in EEPROM is DCON 1 The protocol set in EEPROM is Modbus RTU There will be no response if the command syntax is incorrect there is a communication erro
57. n 2 54 for details Il Send an X AANNTTCCFF command If the command is valid the Baud Rate and checksum settings will be changed after the module responds with AA l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 24 2 2 FAA Description This command is used to read the DI count Syntax AA CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Response Valid Command gt Data CHKSUM CR InValid Command AA CHKSUM CR gt Delimiter character for a valid command Delimiter character for an invalid command Data The count data from all DI channels AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 25 Examples Command 01 Response gt 0000000800000090000000A000000B000000C00000 0D000000E0000000F Reads module 01 and returns the count of DI channel 0 8 channel 1 9 etc Related Commands Section 2 3 AAN l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 26 2 3 AAN Description This command is used to read the count of a specific channel Syntax AAN CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF N The channel to be read zero based Response Valid Command gt Data CHKSUM CR InValid Comm
58. nabled 00266 Clear all DI counters W 00270 Host Watchdog timeout status write 1 to R W clear the Host Watchdog timeout status 00278 Dl active R W 0 Inverse 1 Normal 00289 Save all PWM configurations into W EEPROM write 1 to save 00865 PWM mode R W 00872 0 Burst mode 1 Continuous mode l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 147 00897 PWM trigger status R W 00904 0 Disabled 1 Enabled Address Description Attribute 00929 PWM trigger start R W 00936 0 Trigger stop 1 Trigger start 00961 PWM synchronized R W 00968 10033 DI status R 10040 10273 Reset status R 0 Not the first read after power on 1 First read after power on 30001 DI count R 30016 30001 low word of channel 0 30002 high word of channel 0 etc 30769 PWM burst count R 30776 Condition PWM mode burst PWM status stop 30481 Firmware version low word R 30482 Firmware version high word R 30483 Module name low word R 30484 Module name high word R 40065 Max DI count value R W 40080 40065 low word of channel 0 40066 high word of channel 0 etc 40097 Preset value of DI count R W 40112 40097 low word of channel 0 40104 high word of channel 0 etc 40485 The module address valid range 1 247 R W 40705 PWM duty cycle R W 40712 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 148
59. nformation M 7000 series modules support the Modbus RTU protocol The communication Baud Rates range from 1200bps to 115200bps The number of data bits is fixed to 8 The following Modbus functions are supported Function Code Description Section 02 0x02 Read input status 3 1 04 0x04 Read input channels 3 2 70 0x46 Read write module settings 3 3 If the function specified in the message is not supported then the module responds as follows Error Responses 00 Address 1 Byte 1 to 247 01 Function code 1 Byte Function code 0x80 02 Exception code 1 Byte 01 If a CRC mismatch occurs the module will not respond l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 133 3 1 02 0x02 Read PWM Status This function code is used to read the PWM status of a module Request 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x02 02 Starting channel 2 Bytes 0x00 to 0x07 where 0x00 03 corresponds to channel 0 0x01 corresponds to PWM channel 1 etc 04 Number ofinput 2 Bytes N 1 to 8 Starting channel 05 channels N This should be less than or equal to 0x08 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x02 02 Byte count 1 Byte 1 03 Input channel data 1 Byte A bit corresponds to a channel When the bitis 1 it denotes that the channel is outputting PWM signals
60. no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 41 Examples Command 0153A Response 101 Enables the DI counter for channels 1 3 4 and 5 of module 01 and disables all other channels The module returns a valid response Related Commands Section 2 11 AA6 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 42 2 11 AA6 Description This command is used to read the status of the DI counter Syntax AA6 CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF 6 The command to read the status of the DI counter Response Valid Command AAVV CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 and bit 1 corresponds channel 1 etc When the bit is 0 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 43 Examples Command 016 Response 1013A Reads the channel status of module 01 and returns a response of 3A meaning that channels 1 3 4 and 5 are enabled and all other channels are d
61. odule 01 and returns 00 meaning that the Host Watchdog is disabled and no Host Watchdog timeout has occurred Command 020 Response 10204 Reads the status of the Host Watchdog of module 02 and returns 04 meaning that a Host Watchdog timeout has occurred Related Commands Section 2 49 Section 2 51 AA1 Section 2 52 AA2 Sec 2 53 AASETT Related Topics Section A 2 Dual Watchdog Operation l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 121 2 51 AA1 Description This command is used to reset the timeout status of a module s Host Watchdog Syntax AA1 CHKSUM CR Delimiter character AA The address of the module to be reset 00 to FF 1 The command to reset the timeout status of the Host Watchdog Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command 2 Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 122 Examples Command 010 Response 10104 Reads the status of the Host Watchdog of module 01 and shows that a Host Watchdog timeout has occurred Command 011 Response 101 Resets the timeout status of the Host Watchdog of module 01 and returns a valid respons
62. of all the characters in the command response string except for the carriage return character CR The checksum is equal to the sum masked by Offh Example Command string 012 CR The sum of the string 0 1 2 24h 30h 31h 32h B7h Therefore the checksum is B7h and so CHKSUM B7 The command string with the checksum 012B7 CR Response string 01200600 CR The sum of the string 0 1 2 0 0 6 0 0 21h 30h 31h 32h 30h 30h 36h 30h 30h 1AAh Therefore the checksum is AAh and so CHKSUM AA The response string with the checksum 01200600AA CR Note All characters should be in upper case General Command Sets Command Response Description Section om MANNTTCCEF IAA Sets the configuration of 21 the module AA2 IAANNTTCCEE Reads the configuration 26 of the module AA5 IAAS Reads reset status of 29 the module AAF IAA Data Reads the firmware 232 version Reads the status of the AAI IAAS INIT switch 2 33 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 17 AAM AA Data Reads the module name 2 34 AAP AASC A 2 35 communication protocol SAAPN IAA Sets the communication 0 36 protocol AAO Name IAA Sets the module name 2 46 AARD IAATT Reads the response 247 delay time AARDTT IAA Sets the response delay 0 48 time P
63. p value for 2 97 a specific channel Reads the hardware trigger AACnT IAAS configuration of a specific 2 28 channel Sets the hardware trigger AACNTS IAA configuration for a specific 2 29 channel Reads the status of the PWM AACNN IAAS synchronization of a specific 2 30 channel Sets the PWM AACnNNS IAA synchronization for a specific 2 31 channel AAR IAA Resets the PWM 2 37 AAW IAA Saves the PWM configuration 2 38 AAYS IAA lo Me FYM 2 39 synchronization AADODD IAA Sets the status of the PWM 9 40 output port l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 19 Reads the status of the PWM CAAD AARO output port and the DI E AAGn IAA data Reads the preset count value 242 of a specific channel AAPN data IAA Sets the preset count value 0 43 for a specific channel AAD IAASS Reads the miscellaneous 244 settings AADVV IAA Sets the miscellaneous 245 settings Host Watchdog Command Sets Command Response Description Section Sil No Response The Host is OK 2 49 Reads the status of the AAO IAASS Host Watchdog 2 50 Resets the status of the ARI BA Host Watchdog An AAD IAAETT Reads the Host Watchdog 0 50 timeout settings AA3ETT IAA Sets the Host Watchdog 253 timeout settings AAI IAA Sets the Software INIT 2 54 SAATAn IAA Sets the Software INIT 2 55 timeout value LED Command Sets Command Response Description Sec
64. ponse 1017088 Reads the name of module 01 and returns the name 7088 Related Commands Section 2 34 AAM l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 114 2 47 AARD Description This command is used to read the response delay time Syntax AARD CHKSUM CR Delimiter character AA The address of the module to be read 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 for a valid command Delimiter character for an invalid command TT Two hexadecimal digits to represent the response time value in milliseconds The value must be less than or equal to 1E For example 01 denotes 1 millisecond and 1A denotes 26 milliseconds AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 115 Examples Command 01RD10 Response 101 Sets the response time to 16 milliseconds and returns a valid response Command 01RD Response 10110 Reads the response time and returns a value of 16 milliseconds The response will be sent after 16 milliseconds have elapsed Related Commands Section 2 48 AARDTT l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 116 2 48 AARDTT Descript
65. ption This command is used to set the continuous mode for a specific channel Syntax AACnMS CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF Cn Specifies the channel to be set The command to set the continuous mode S 0 Disables the PWM continuous mode 1 Enables the PWM continuous mode If the PWM continuous mode is enabled the step value for PWM will be automatically set to 1 Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 71 Examples Command 01C0M1 Response 101 Sets the PWM continuous mode of channel 0 to enabled and returns a valid response The PWM step value will be automatically set to 1 Command 01C1MO Response 101 Sets the PWM continuous mode of channel 1 to disabled and returns a valid response The PWM step value will not be affected Related Commands Section 2 24 HAACNM Section 2 26 AACnP Section 2 27 AACnP Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 72 2 26 AACnP Description This command is used to read the PWM step value of a specific channel Synta
66. r or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 91 Examples Command 01P Response 10110 Reads which communication protocol is being used by module 01 and returns a response of 10 meaning that it supports both the DCON and Modbus RTU protocols and the protocol that will be used at the next power on reset is DCON Related Commands Section 2 36 AAPN l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 92 2 36 SAAPN Description This command is used to set the communication protocol Syntax AAM CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF The command to set the communication protocol 0 DCON 1 Modbus RTU Before using this command the rear slide switch must be in the INIT position see Section A 1 for details The new protocol is saved in the EEPROM and will be effective after the next power on reset Response Valid Command AASC CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command 2 Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 93 Examples Command 01P1 Response 201 Sets the communication protocol
67. r of bytes were received l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 136 3 3 70 0x46 Read Write Modbus Settings This function code is used to read the settings of the module or change the settings of the module The following sub function codes are supported Sub function Code Description Section 00 0x00 Reads the module name 3 3 1 04 0x04 Sets the module address 3 3 2 05 0x05 Reads the communication settings 3 3 3 06 0x06 Sets the communication settings 3 3 4 32 0x20 Reads the firmware version 3 3 5 41 0x29 Reads the miscellaneous settings 3 3 6 42 0x2A Writes the miscellaneous settings 3 3 7 If the module does not support the sub function code specified in the message then it will respond as follows Error Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte 02 Invalid sub function code l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 137 3 3 1 Sub function 00 0x00 Read module name This sub function code is used to read the name of a module Request 00 Address 1 Byte 1to247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 Response 00 Address 1 Byte 1 to 247 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 03 Module name 4 Bytes 0x00 0x70 0x88
68. responding module 00 to FF S 0 7 Shows the count of channels 0 7 8 Rotates the count of channels 0 7 9 Shows the host control 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 91 Examples Command 018 Response 1010 Read the configuration of the LED and returns a response indicating the LED is showing the count for DI channel 0 Related Commands Section 2 16 AA8V Section 2 17 AA9 Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 52 2 16 AA8V Description This command is used to set the configuration of the LED Syntax AA8 CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF The command to set the configuration of the LED V 0 7 Shows the count of channels 0 7 8 Rotates mode 9 Host control mode Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR l Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 93 Examples Command
69. s amp Application Notes oooommmoccccccccccccnonnnnanacaccnnnnnnos 150 4 1 INIT pin Operation Principles oooooooocccccccccccnonananancncnoncnonanananancncnnnnnnns 150 4 2 PWM Operation Principle oooooocccccnnnnnccccccnnccccccccnononcnnnnnnnancncnnnnnnn 151 PD PONG DC ara 153 AIN Mode sala 153 A 2 Dual Watchdog OPTOMA 155 AS Frame QUA aitor 156 A 4 Node Information Arica as 158 A 5 Reset Status a eee 159 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 4 1 Introduction l 7088 PWM Continuous Mode MCU Software Trigger PWM Burst Mode DI Hardware Trigger The l 7088 has 8 PWM output channels and 8 counter inputs and can be used to develop powerful and cost effective analog control systems PWM Pulse Width Modulation is a powerful technique for controlling analog circuits that uses digital outputs to generate a waveform with a variable Duty Cycle the fraction of time that a system is in an active state and frequency to control analog circuits and can be used to control the position speed of motors control the brightness of lamps or control the speed of fans etc The l 7088 will also automatically save the counter value to EEPROM if the power supply is interrupted or lost Refer to Section 1 7 for details Features e Automatic hardware generation of PWM outputs without the need for software intervention e 1Hz 500KHz PWM output frequency with 0 1 99 9 duty cycle Refer to Section 4
70. sic sce face desided rasiic en dedi detected ei Sede eiae anaiai aa aeaii ies 113 2AT AA B ner ree ne err ener ere er Tre ta 115 248 AARDT e ea ea tasks ed poms Ea E EA E 117 Pa N T TNA 119 A AO dii as ea e e a R A 120 2S O 122 252 APS ae ee R E E E E E E e E ES 124 Zr Oe NOE Vinee n A A E A EA 126 O 128 BOO HAP IM Vasari tarkies Cacsee hasta hoa seehak soa Roa sea Raden Roses net sea hoi leee 2s 130 3 Modbus RTU Protocol iicisisescsdeseessstserassstnaneccncessansaansnecsstuscasssavanancndescecsens 133 3 1 02 0x02 Read PWM Stats seca aa Sec cane 134 3 2 04 0x04 Read DI Count stsises etaccns rl 136 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 3 3 3 70 0x46 Read Write Modbus SettidgS oooooococccococococococococonnnnnononos 137 3 3 1 Sub function 00 0x00 Read module NaMB ooooococccccccccccccncnannncns 138 3 3 2 Sub function 04 0x04 Set module address oooooccccccccccccccccnccos 139 3 3 3 Sub function 05 0x05 Read communication settings 140 3 3 4 Sub function 06 0x06 Set communication settings 142 3 3 5 Sub function 32 0x20 Read firmware version oocccccccccncncncnccos 144 3 3 6 Sub function 41 0x29 Read miscellaneouS oooococccccccccccccccnncos 145 3 3 7 Sub function 42 0x2A Write miscellaneous settings 146 3 4 M 7088 Address Mappings oooooocccccccccncococonccnccncncnnnnncnnnnnnncnnnnnnnnnnnnanns 147 4 Operation Principle
71. syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 29 Examples Command 011201 Response gt Sets the output of PWM channel 2 to on and returns a valid response Related Commands Section 2 5 AAAcDD Section 2 40 AADODD Note This command is the same as the AAAcDD command l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 30 2 5 FRAAACDD Description This command is used to set the status of a specific PWM channel Syntax AAAcDD CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF A The command to set the status of the PWM c Specifies the channel to be set DD 00 Sets the PWM output port to off 01 Sets the PWM output port to on Response Valid Command gt CHKSUM CR InValid Command AA CHKSUM CR gt Delimiter character for a valid command 2 Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 31 Examples Command 01A201 Response Sets the output of PWM channel 2 to on and returns a valid response Related Commands Section 2 4 AA1cDD Section 2 40 AADODD Note This command is the s
72. the command syntax is incorrect there is a communication error or there is no module with the specified address Examples Command 0102500600 Response 102 Changes the address of module 01 to 02 and the module returns a valid response Command 0202520600 Response 102 Sets the type of module 02 to 52 Virtual Battery Backup and the module returns a valid response l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 22 Command 0202520A00 Response 202 Changes the Baud Rate of module 02 to 115200bps and the module returns an invalid response because it is not in INIT mode Command 0202520A00 Response 101 Changes the Baud Rate of module 02 to 115200bps and the module is in INIT mode The module returns a valid response Related Commands Section 2 6 AA2 Section 2 54 AAI Section 2 55 AATnn Related Topics Section 1 7 Configuration Tables Section A 1 INIT Pin Operation l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 23 Notes 1 Changes to the address Type Code and Data Format settings take effect immediately after a valid command is received Changes to the Baud Rate and checksum settings take effect on the next power on reset 2 For the l 7088 changing the Baud Rate and checksum settings can only be achieved using software and are performed by using the following commands Send an AATnn command See Section 2 55 for details Il Send an AAl command See Sectio
73. timeout value is 25 5 seconds Related Commands Section 2 49 Section 2 50 AAO Section 2 51 AA1 Section 2 53 AASETT Related Topics Section A 2 Dual Watchdog Operation l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 125 2 53 AA3ETT Description This command is used to enable disable a module s Host Watchdog and set the timeout value of the Host Watchdog Syntax AA3ETT CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF 3 The command to set the Host Watchdog E 0 Disables the Host Watchdog 1 Enables the Host Watchdog TT Two hexadecimal digits to represent the timeout value in tenths of a second for example 01 denotes 0 1 seconds and FF denotes 25 5 seconds Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA The address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 126 Examples Command 013164 Response 101 Enables the Host Watchdog of module 01 and sets the Host Watchdog timeout value to 10 0 seconds The module returns a valid response Command 012 Response 101164 Reads the Host Watchdog timeout value of module 01 The module r
74. tion AA8 IAAS Reads the LED configuration 2 15 AA8V NAA Sets the LED configuration 2 16 AA9 data NAA Sends the data to the LED 2 17 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 20 2 1 AANNTTCCFF Description This command is used to set the configuration of a 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 The new Type Code see Section 1 7 for details CC The new Baud Rate code see Section 1 7 for details For the l 7088 the rear slide switch must be moved to the INIT position in order to change the Baud Rate settings See Section A 1 for details FF The command used to set the checksum and the input range settings Section 1 7 For the l 7088 the rear slide switch must be moved to the INIT position in order to change the checksum setting See Section A 1 for details l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 21 Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter for a valid command Delimiter for an invalid command If the Baud Rate or checksum settings are changed without switching the rear slide switch to the INIT position the module will return an invalid command AA The address of the module in hexadecimal format 00 to FF There will be no response if
75. valid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF S 0 PWM synchronization is disabled 1 PWM synchronization 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 81 Examples Command 01CON Response 1011 Reads the synchronization status of PWM channel 0 and returns a response indicating that it is enabled Command 01C1N Response 1010 Reads the synchronization status of PWM channel 1 and return a response indicating that it is disabled Related Commands Section 2 31 AACnNS Section 2 39 AAYS l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 82 2 31 AACnNS Description This command is used to set the PWM synchronization status for a specific channel Syntax AACnN CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF Cn Specifies the channel to be set The command to set the PWM synchronization 0 Disables the PWM synchronization 1 Enables the PWM synchronization Response Valid Command AA CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding mo
76. x AACnP CHKSUM CR Delimiter character AA The address of the module to be read 00 to FF Cn Specifies the channel to be read P The command to read the PWM step value Response Valid Command AA Data CHKSUM CR InValid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command An invalid command is returned if the specified channel is incorrect AA The address of the responding module 00 to FF Data The PWM step value 0001 to FFFF 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 l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 73 Examples Command 01C0P Response 101001A Reads the PWM step value for channel 0 and returns a value of 26 steps Command 01C1P Response 1011000 Reads the PWM step value for channel 1 and returns a value of 4096 steps Related Commands Section 2 24 AACnM Section 2 25 AACnMS Section 2 27 AACnP Data l 7088 and M 7088 User Manual Rev A1 2 7MH 026 A12 74 2 27 AACnP Data Description This command is used to set the PWM step value for a specific channel Syntax AACnP Data CHKSUM CR Delimiter character AA The address of the module to be set 00 to FF Cn Specifies the channel to be set P The command to set the PWM step value Data The PWM steps 0001 to FFFF When s

I-7088, I-7088D, M-7088 and M-7088D User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents