Siemens 3UG4 User Manual page 254

3UG458. insulation monitoring relay
9.4 3UG4582/3UG4583 insulation monitoring relays
Operating state
Setting error
Test function
Manual RESET
possible
Only on the 3UG4583-1CW30.
1)
Possible setting error: The threshold for shutdown is set to a higher value than the warning
2)
threshold, and non-volatile (retentive) fault storage is set simultaneously with autoreset.
The device has tripped following an insulation fault. The fault has been stored and the insulation
3)
resistance has reverted to a value above the set threshold including hysteresis.
Dependent on the fault.
4)
The switching behavior of the output relay is shown in Chapter "Functions (Page 238)".
254
LED (green)
1), 2)
3)
LED F (red) LED (yellow)
Off
On the 3UG4582: Off
•
On the 3UG4583: Dependent
•
on the configuration
4)
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004