Filter
Top Products
Installation
15
3.3 Alarms and Relays
The controller is equipped with three unpowered relays rated 100–230 V ac,
50/60
Hz, 5 amp resistive maximum. See the sensor manual for relay
setup
details.
3.3.1 Connecting the Relays
The relay connector accepts 18–12 AWG wire (as determined by load
application). Wire gauge less than 18 AWG is not recommended.
Danger: Relay loads must be
resistive. User must externally
limit current to the relays to
5
Amps by use of a fuse or
breaker.
The controller contains three relays designed for use with high voltage (greater
than 30V-RMS and 42.2V-PEAK or 60
V dc). Refer to Figure 3-17 for connection
information. The wiring is not designed for low voltage connections. Relay must
not be powered from the same wiring used to power the controller. See the sensor
manual for relay setup
details.
Danger: ac power terminals are
designed for single wires. Do not
use more than one wire in each
terminal.
The Normally Open (NO) and Common (COM) relay contacts will be connected
when an alarm or other condition is active. The Normally Closed (NC) and
Common relay contacts will be connected when an alarm or other condition
is
inactive or when power is removed from the controller.
Figure 3-17 Alarm and Relay Connections
NCNCNC
COMCOMCOM
NO
F1
F2
NONO
RELAYCRELAYBRELAY A
J1
J2
J4
S1
NETWORK
INTERFACE
CARD
J3
J5
J6
U5
U9
J5J5
NCNCNC
COMCOMCOM
NO
F1
F2
NONO
RELAYCRELAYBRELAY A
J1
J2
J4
S1
NETWORK
INTERFACE
CARD
J3
J5
J6
U5
U9
J5J5
J5 J6 J7
3
2
1
RELAYA RELAYB RELAY C
Disconnect
Power