ICP DAS USA PIR-130-AC User Manual page 90

3.10.3 Sub-function 05 (0x05) Read Communication Settings
This sub-function code is used to read the communication protocol settings for the PIR-130
module.
Request
Byte Description
00 Address
01 Function Code
02 Sub-function Code
03 Reserved
Response
Byte Description
00 Address
01 Function Code
02 Sub-function Code
03 Reserved
04 Baud Rate
05 - 07 Reserved
08 Mode
09 - 10 Reserved
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.
Baud Rate Settings:
Value 03
Baud Rate 1200
Error Response
Byte Description
00 Address
01 Function Code
02 Exception Code
PIR-130-AC/DC User Manual Ver. 1.4.0, 2020/07/28
Length
(in Bytes)
1
1
1
1
Length
(in Bytes)
1
1
1
1
1
3
1
2
04 05 06
2400 4800 9600
Length
(in Bytes)
1
1
1
Value
1 to 247
0x46
0x05
0x00
Value
1 to 247
0x46
0x05
0x00
Refer to the Baud Rate Settings table
below for details.
0x00 0x00 0x00
0: DCON Protocol
1: Modbus RTU Protocol
0x00 0x00
07 08
19200 38400
Value
1 to 247
0xC6
Refer to the Modbus standard for more
details.
09 0A
57600 115200
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