Operation
Operating Manual PSSu E F PS(-T)
21292-EN-06
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7.3
Status byte
The first supply module after the head module can communicate a variety of status informa-
tion to the ST-PII (see table below). The information is transmitted using the module's
status byte. Read access (R) is configured for that purpose.
Structure and contents of the status byte
Bit number Signal
Key
0
0
SafetyBUS p in a STOP condition
1
SafetyBUS p in a RUN condition
1
0
The PSSu section configured for the FS inputs (section A or B) is in a STOP
condition.
1
The PSSu section configured for the FS inputs (section A or B) is in a RUN con-
dition.
2
0
The PSSu section configured for the FS outputs (section A) is in a STOP condi-
tion.
1
The PSSu section configured for the FS outputs (section A) is in a RUN condi-
tion.
3
0
No general error in the PSSu FS section
1
General error in the PSSu FS section
4
0
No general error in the PSSu ST section
1
General error in the PSSu ST section
5
0
No error on the FS modules
1
At least one FS module is registering an error
6
0
No error on the ST modules
1
At least one ST module is registering an error
7
0
Reserved
1
