Simons Voss Technologies SmartRelay SREL Series Manual page 16

SREL1+2 (Manual)
Power supply unit -
Battery
Relay NC
Relay COM
NO relay
External antennas
BROWN BN
WHITE WH
GREEN GN
GREY GY
YELLOW YL
RS-485COM C
RS-485A A
RS-485-B B
+ Vaux +V
LED / buzzer / in-
F3
put
Serial 1 / Input 2 F2
Serial 2 F1
Either minus terminal when connected to a
direct current (5 to 24 V DC) or the second
alternative current connections (12 V AC)
Connector for a battery when operated
without a power supply unit; order code for
battery, including SREL.BAT connector
Normally closed contact in the relay
changeover contact. This contact is closed
against Relay COM when not connected
Common contact in the relay changeover
contact. This contact is wired either against
an NC relay (break contact) or against a NO
relay (closing contact)
Normally open contact in the relay
changeover contact. This contact is closed
against Relay COM when not connected
Connection for colour-coded cables in an
external antenna (order code: SREL.AV)
brown/white/green/yellow
Bus connection for external modules
Type 3.0 - 5.0 V +/- 0.5 V for external LED
or buzzer, max. 10 mA
Multi-function connection
Multi-function connection
Multi-function connection
5. Connections
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