User Manual

3UG4651 speed monitoring relay
13.6 Circuit diagrams
3UG4 / 3RR2 monitoring relays
304 Manual, 02/2013, NEB927043002000/RS-AA/002
13.6.2 Wiring examples
Speed monitoring relays without Enable input
AC/+U
S1
A2 (–)
IN2 8V2
RESEN
A1 (+)
24V BN
I
BU
NO
AC/0V
12 14
11
K1
K2
IN1
0V
3UG46 51
K1
NAMUR
Reset
USP!
Speed monitoring relays with Enable input
DC 24V/
max. 50 mA
Reset
Enable
A2 (–)
IN2 8V2
A1 (+)
EN
S1
RES
I
1
4
3
NO
AC/+U
AC/0V
S1
12
11
K1
K2
14
24V
IN1
0V
3UG46 51
K1
USP!