User Manual

3UG4651 speed monitoring relay
13.4 Operation
3UG4 / 3RR2 monitoring relays
300 Manual, 02/2013, NEB927043002000/RS-AA/002
Note
The relay control for the open-circuit principle NO is inverted to the represented function
diagrams in the closed-circuit principle NC after application of the rated control supply
voltage U
S
.
13.4 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 13- 2 Parmeter information, 3UG4651 speed monitoring relays with digital setting
Setting range
Menu
level
Parameters
Minimum value Maximum value
Increment Factory setting
"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 351)."
Menu-based operation is described in Chapter "Menu-based operation (Page 36)."