Chamberlain EL25 User Manual
Page 11
A relay is a device that reacts to an electric current to activate other devices. Allowing
the EL25 to lock or unlock a door/gate, shunt (bypass) alarm contacts, signal an alarm,
or turn on a camera wired to a closed-circuit television (CCTV). The relays can be
programmed to 5 different modes.
the EL25 to lock or unlock a door/gate, shunt (bypass) alarm contacts, signal an alarm,
or turn on a camera wired to a closed-circuit television (CCTV). The relays can be
programmed to 5 different modes.
The EL25
must have all external access control device options configured into it, before many of
the other programming options can proceed. You must tell the unit “
what it's wired to
” and “
how
you want the devices to behave.
” To do this you must know what a “
Door” Number is and what a
“
Relay” is.
EL25 SetUp “Y
our Settings”
EL25 SetUp “Y
our Settings”
What is a Relay?
A Number (1-4)
YOU assign to the EL25 unit to Identify the External Access Control
Devices wired to it. Up to 4 devices can be connected.
Once identified, the unit will keep
the
Same Door Numbers in other programming.
The Internal Keypad is ALWAYS
Assigned to Door Number 1.
What is a Door Number?
The
5
Modes of Operation are:
Strike Relay:
A Strike Relay controls a door or gate by unlocking or opening it. It does not control any
other component associated with a system like Alarms, CCTV, etc.
Shunt Relay:
A Shunt Relay is normally wired to an alarm and works with strike relays to shunt
(bypass) the alarm when the door is opened with a valid access code. If the door is forced open, the
system will not shunt the alarm and the alarm will be triggered.
system will not shunt the alarm and the alarm will be triggered.
CCTV Relay:
A CCTV Relay activates the system's optional camera. The camera is wired to a closed
circuit television (CCTV). A camera can be activated when an alarm condition occurs or when a resident
enters a valid access code.
enters a valid access code.
Alarm Relay:
The Alarm Relay will activate another device, such as a siren, when 3 conditions occur. A
door is opened without a valid access code, A door is open past the allotted time programmed in, or too
many invalid codes are tried. Any of these will trigger the alarm relay.
many invalid codes are tried. Any of these will trigger the alarm relay.
Control Relay:
The Control Relay can control another device such as an outdoor or indoor light near
the unit. For example, you could configure the system to turn on an entry light through a darkened area
after a resident enters a valid access code. Then the light would then turn off after a specified amount of
time.
after a resident enters a valid access code. Then the light would then turn off after a specified amount of
time.
Setup External Access Control Devices