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