User Manual

3UG4651 speed monitoring relay
13.7 Technical data
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
305
13.7 Technical data
Measuring circuit
3UG4651-.....
Measurable line frequency Hz 50 … 60
Adjustable response delay time
• when starting
s
1 … 900
• with lower or upper limit violation
s 0.1 … 99.9
Adjustable response value revolution 1/min
0.1 … 2 200
Input voltage at the digital input 1
• initial value for signal<0>-recognition
V
0
• final value for signal<0>-recognition
V 1
• initial value for signal<1>-recognition
V 4.5
• final value for signal<1>-recognition
V 30
Input current at the digital input 2
• initial value for signal<0>-recognition
mA
0
• final value for signal<0>-recognition
mA 1.2
• initial value for signal<1>-recognition
mA 2.1
• final value for signal<1>-recognition
mA 8.2
Design of the input reducing-entrance
No
Design of the sensor
• at the digital input 1 connectable
PNP switching three-wire sensor or
mechanical impulse contact with
external DC supply (4.5 V … 30 V)
• at the digital input 2 connectable
2-conductor Namur sensor or
mechanical impulse contact
Input current at the digital input 1 maximum mA 50
Pulse duration minimum ms 5
Pulse interval minimum ms 5
Number of sensor signals per revolution 1 … 10
Switching hysteresis for rotational speed 1/min 0 … 99.9