
I-7088 and M-7088 User Manual, Rev: A1.2 7MH-026-A12
137
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