148 •
Reference Commands – Mailbox Commands
Configuration Table Commands
WAGO-I/O-SYSTEM
750
I/O
Modules
3.1.4.6.3
CONFIG_RD (0x52)
Read access to configuration value. The value 0 is returned when invalid
access size specified.
Request
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MB0
0x52
MB1 T
-
MB2 Address
(LSB)
MB3 Address
(MSB)
MB4
Number of bytes
MB5 Reserved
0: Reserved
1 ... 4:
Number of bytes that are written for access with
Config_RD.
Number of
bytes
5 ... 255:
Reserved
Response
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MB0
0x52
MB1
T
Return Code
MB2 Data
(LSB)
MB3 Data
MB4 Data
MB5 Data
(MSB)
Return
Code
0x00: OK