Function description
Operating Manual PSSu E S PD-D
21975-EN-05
13
4.3
Configuration
4.3.1
PSSu assignment in system environment A
It is not necessary to configure ST outputs in the PSSuniversal Configurator on the
PSS WIN-PRO system software. Overload detection and temperature monitoring can be
configured: The entries in the status byte can be deactivated.
Further information on configuration is available in the PSSuniversal Configurator's online
help.
4.3.1.1
Addresses in the process image
The module occupies 8 consecutive bit addresses for the status byte in the ST-PII, if the
status byte is configured.
Configuration
SafetyBUS p
Standard bus system
FS-PIO
ST-PII
ST-PIO
Without status byte
- - -
- - -
- - -
With status byte ("S")
- - -
8 Bit
- - -
4.3.1.2
Status byte
The status byte contains the information on overload and overtemperature.
Structure and contents of the status byte:
Bit number Signal
Key
0
0
No overload on output S1
1
Overload on output S1
1
0
No overload on output S2
1
Overload on output S2
2
0
No overload on output S3
1
Overload on output S3
3
0
No overload on output S4
1
Overload on output S4
4
0
No temperature error
1
Temperature error: too warm
5
0
Switch-off temperature not reached.
1
Temperature error: too hot. Outputs switch off.
6
0
Reserved
1
Reserved
7
0
Reserved
1
Reserved