Siemens 3UG4 - Operation

3UG4651 speed monitoring relay
12.4 Operation
3UG4 / 3RR2 monitoring relays
312 Manual, 05/2016, NEB927043002000/RS-AC/004
12.4
Operation
Parameters
Parameterization of the devices is possible locally using the display and the three keys.
Parameter information
The table below shows the settable parameter information of the 3UG4651 speed monitoring
relays:
Table 12- 2 Parmeter information, 3UG4651 speed monitoring relays with digital setting
Menu
level
Parameters
Setting range
Increment
Factory setting
Minimum value
Maximum value
"RUN" Threshold for undershoot
(rpm▼)
0.10 or OFF 2200 or OFF 0,1 800
"RUN"
Threshold for overshoot (rpm▲)
0.10 or OFF
2200 or OFF
0,1
1400
"SET"
Scaling factor (Scale)
1
10
1
1
"SET"
Hysteresis (Hyst)
0.1 or OFF
99,9
0,1
Disabled (OFF)
"SET"
ON-delay time (onDel)
0 s
900.0 s
0.1 s
Deactivated (0 s)
"SET" Tripping delay time (Del) 0.1 s 99.9 s 0.1 s 0.1 s
"SET"
Reset response (Mem)
no = Autoreset
yes = Hand-RESET
--
no = Autoreset
"SET" Relay switching behavior
(closed-circuit principle NC /
open-circuit principle NO)
NC or NO -- NC
Note
The monitoring mode "Overshoot" or "Undershoot" is defined with the setting OFF at the
threshold for undershoot or overshoot.
The parameters are described in Chapter "Parameters (Page 363)."
Menu-based operation is described in Chapter "Menu-based operation (Page 39)."