Operator Controls And Connection Terminals - Siemens 3UG4 User Manual

3UG4651 speed monitoring relay

12.2 Operator controls and connection terminals

12.2 Operator controls and connection terminals
Front view / terminal labeling 3UG4651
Front view
You can find additional information on the connection terminals and the permissible
conductor cross-sections in the Chapter "Connection methods (Page 21)".
You can find information on connecting in the Chapter "Circuit diagrams (Page 315)".
308
Description
Position digits
①
Terminal block (removable):
Connection is possible using screw terminals or spring-loaded terminals.
② Arrow keys for menu navigation
③
SET key for menu navigation
④
Device article number
⑤
Label
⑥
Legend for menu
⑦
Display for parameterization, actual-value indication, and diagnostics
Terminal labels
A1+ Rated control supply voltage ∼ / +
A2- Rated control supply voltage ∼ / -
24V Supply voltage for pulse input IN1 (24 V / max. 50 mA)
IN1 Pulse input for pnp-switching three-wire sensor (for 0 V DC/ +24 V pulses)
0V Supply voltage for pulse input IN1 (0 V / max. 50 mA)
EN Enable
RES Reset
IN2 Pulse input for two-wire NAMUR sensor or mechanical contact
8V2 Supply voltage for pulse input IN2
12 Output relay K1 CO contact NC contact
11 Output relay K1 CO contact root
14 Output relay K1 CO contact NO contact
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004