Circuit Diagrams; Internal Circuit Diagrams; Wiring Examples - Siemens SIRIUS 3UG4 Equipment Manual

12.6

Circuit diagrams

12.6.1

Internal circuit diagrams

Internal circuit diagrams 3UG4651 speed monitoring relay
AC/DC
A1 (+) EN RES 24V
3UG46 51
A2 (–)
AC/DC
3UG4651‑.AA30
3UG4651‑.AW30
Note
On the 24 V AC/DC versions of the 3UG4651‑.AA30, terminals A1 / A2 and 0V / 24V are
electrically connected in the device!
On the 24 to 240 V AC / DC versions of the 3UG4651‑.AW30, terminals A1 / A2 and 0V / 24V are
electrically separated!
12.6.2

Wiring examples

Speed monitoring relays without Enable input
AC/+U
S1
3UG46 51
AC/0V
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
+ –
U
pnp
IN1 0V
IN2 8V2
NAMUR
– +
24 V AC/DC
24 to 240 V AC/DC
Reset
A1 (+)
EN RES
24V
IN1
K1
0V
A2 (–)
IN2 8V2
11
12 14
11
K1
12 14
BN
I
BU
NO
K2
NAMUR
3UG4651 speed monitoring relay
12.6 Circuit diagrams
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