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INM 725B Rev 21
55
6
COMMON RELAYS
Four common relays are located in the WR Cell within the Annunciator as shown above.
Each relay is equipped with a C/O contact and the user can select the contact state to N/C or
N/O using a 3 way header and 2 way shorting bar located on the card as shown below.
WARNING !
Remove
ALL
power from the unit and fully remove the card before changing
any jumpers
The coil state of each relay can be set to EN or DE-EN as described in the software
configuration section of this manual.
Multiple common relay cards may be present in larger systems to provide the necessary
features.
The function of each common relay can be set within the software allowing the relay
to operate as:-
6 .1 Group Relay
Once channels have been assigned to groups and the “group operation” has been defined the
user is able to link a group to a common relay under the “WR” Tab within the software.
WR
RELAY OUTPUTS
CR1
REAR VIEW
CB6641POP1 - WATCHDOG / RELAY CARD
RELAY CARD VERSION USED IN "WR" CELLS
(LOWER SLOT)
CR2
CR3
CR4
NO
LK3
NC
RL3
OR
NO
LK4
NC
NO
LK4
NC
NORMALLY
OPEN
NORMALLY
CLOSED
RL4
RELAY
CONTACT
STATE
NO
LK4
NC
RL2
RL1
NO
LK1
NC
NO
LK2
NC
CARD ADDRESS
DIL SWITCH SW1
SW1