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144 •
Reference Commands – Mailbox Commands
Diagnostics
Commands
WAGO-I/O-SYSTEM
750
I/O
Modules
3.1.4.5.4
DIAG_RD_BIT (0x4D)
Read out status bit (see also chapter 3.4, “Bit field for I/O driver
”).
Request
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MB0
0x4D
MB1 T
-
MB2 Bit
number
MB3 Reserved
MB4 Reserved
MB5 Reserved
Bit number 0 ... 255:
Specifies which predefined bit is being requested.
Response
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MB0
0x4D
MB1 T
Return
Code
MB2 Status
MB3 Reserved
MB4 Reserved
MB5 Reserved
Return
Code
0x00: OK
0: Bit
deleted
Status
1: Bit
set