Fsty' Safety Position - Siemens SIPART PS2 Operating Instructions Manual

Figure 9-5
Figure 9-6
The factory setting is 'OFF'.
See also
Partial stroke test 'A.\\PST' (Page 173)
Monitoring the position average value 'P.\\PAVG' (Page 195)
Overview of error codes (Page 268)
9.3.2.21

'51.FSTY' Safety position

Possible settings:
Purpose:
Description:
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
Display of a threshold 2 message (maintenance demand)
Display of a threshold 3 message (maintenance alarm)
● FSVL
● FSSP
● FSAC
Use this parameter to move the actuator to a defined safety position
when communication fails.
Three settings are available:
● FSVL:
the actuator is controlled using the configured safety setpoint.
This value also becomes effective following failure of the auxiliary
power supply.
● FSSP:
the actuator is controlled using the last effective setpoint.
● FSAC:
the positioner responds in the same way as when the auxiliary
power supply fails, see section "Reaction to failure of auxiliary
powers (Page 98)".
Parameter assignment
9.3 Description of parameters
171