32 Process Image
WAGO-I/O-SYSTEM 750 XTR
750-630/040-001 SSI Interface Adjust XTR
Manual
Version 1.1.0
Table 22: Status Byte S0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
ERROR
0
0
0
0
FRAME_E SSI_IN_E
ERROR
A general error has occurred. This bit is set if a FRAME or SSI IN
error has occurred.
FRAME_E
An incorrect data frame exists, i.e. the data frame is not
terminated with zero (possible wire break of CLOCK lines).
SSI_IN_E
The SSI input of the I/O module is at low level if there is no data
transmission. Possible causes are:
•
SSI has no power supply
•
Wire break
on SSI data D or −D
•
Data lines switched
0
reserved
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