Siemens SIMOCODE 3UF Programming And Operating Manual page 154

Online Settings and Displays
17.10 Faults
Indication
Test Position Feedback (TPF)
Power failure monitoring (UVO).
Blocked positioner
Double 0
Double 1
End position
Antivalence
154
Meaning/Possible cause/Acknowledgement/Error processing
Current flows in the motor feeder even though the motor feeder
is in the test position (TPF).The main circuit is not interrupted in
test operation.
Acknowledge with "Reset" respectively OFF command.
The network failure lasted longer than the configured network
failure time.
Following fault rectification, acknowledge with "Reset" or OFF
command.
Control function "positioner":
The torque switch has been activated without or before the
corresponding end position switch.
Possible cause:
The positioner is blocked.Acknowledge the fault with "free-
wheeling" with the counter command "OPEN/CLOSE".
Check the slide application and the end position switches.
Control function "positioner":
Both torque switches have been activated simultaneously
(DMA=0 and DMZ=0).
Possible causes:
Open circuit torque switch
•
Torque switch is defective.
•
Control function "positioner":
Both end position switches have been activated simultaneously
(RMA=1 and RMZ=1).
Possible cause:
End position switch is defective.
•
Slider/solenoid valve has left the final position without a
command being issued. The motor feeder was turned off.
Acknowledge the fault with "free-wheeling" using the counter
command "OPEN/CLOSE".
Control function "positioner":
The end position switches are not registering any antivalent
signals.
Possible cause:
Open circuit of the end position switch.
•
Check the slide application and the end position switches.
Acknowledge the fault with counter command "OPEN/CLOSE".
Programming and Operating Manual, 05/2020, A5E44499659002A/RS-AA/001
SIMOCODE PRO V PN FDI