Siemens 3UG4 - Technical Data

3UG4651 speed monitoring relay
12.7 Technical data
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
317
12.7
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