Technical data

SMART RELAY SREL, SREL.ZK, SREL.ADV
25
12.0 Description of the SREL2 connections
Name
Symbol
Description
Mains adapter
+ DC
Direct current 9 to 24 V DC
Mains adapter
- DC
Direct current 9 to 24 V DC
Battery CR1220, Sony – Backup battery
Relay COM Common contact in the relay. This contact is wired against
NO relay (closing contact)
NO relay Normally open contact in the relay. This contact is closed
against Relay COM when not connected
Can be inverted in LSM
External antennas
Brown
White
Green
Grey
Yellow
BN
WH
GN
GY
YL
Connection for colour-coded wires in an external
antenna (order code SREL.AV)
Brown
White
Green
Grey
Yellow
Functions connection F1 Å Input ext. Trigger input (3-24 V DC ext. contact must be
isolated)
Æ Omron output / Wiegand CLS
F2 Æ Omron data / Wiegand D0
F3 Æ Omron CLK / Wiegand D1
Æ LED / buzzer (external)
Æ Card reader line link
SVB SimonsVoss bus - card reader line link
Open drain outputs up to max. 24 V DC / 0.5 A. Earth connection to power supply's
negative pole. If a CLS (card loading signal) is featured, the SREL2 must be config-
ured for CLS in its properties.