PIR-130-AC/DC User Manual
Ver. 1.4.0, 2020/07/28
93/93
3.10.5
Sub-function 32 (0x20) Read Firmware Version
This sub-function code is used to read the firmware version information for the PIR-130
module.
Request
Byte
Description
Length
(in Bytes)
Value
00
Address
1
1 to 247
01
Function Code
1
0x46
02
Sub-function Code
1
0x20
Response
Byte
Description
Length
(in Bytes)
Value
00
Address
1
1 to 247
01
Function Code
1
0x46
02
Sub-function Code
1
0x20
03
Major Version
1
0x00 - 0xFF
04
Minor Version
1
0x00 - 0xFF
05
Build Version
1
0x00 - 0xFF
Error Response
Byte
Description
Length
(in Bytes)
Value
00
Address
1
1 to 247
01
Function Code
1
0xC6
02
Exception Code
1
Refer to the Modbus standard for more
details.