Service manual

24 VOLTS DC
(Continued)
7, BACK-AWAY (FOR BARRIER ARM GATE ONLY) This input is recommned for use with our Mega
Arm barrier gates. For your Mega Swing-UL, please use terminals 1,2 or 3 for your free exit loop
input.
8, SHADOW LOOP- This input operates as a hold open only when gate is a full open position. Use
this for a loop that is under the swing of the gate. It will hold the gate open if a car is over this loop
and the gate is in the full open position. (sometimes refered to as a LOOP C).
9, 10, 11,12- COMMON- These inputs used for common (0 VDC) to above listed functions.
Note: The above inputs are tied to LED indicators to assist in trouble shooting.
ACCESSORY CONNECTIONS
These terminals will provide battery backed power to 24 VDC devices and are located at the bottom
of the electronic control board at terminals 1 and 2. Terminal 1 is 24 VDC (+) and number 2 is 0 VDC
(-). Peripheral CLASS 2 low voltage devices that require 24 VDC power maybe connected here (500
ma. maximum). EXAMPLE: Vehicle detector, radio receiver.
RELAY OUTPUT K1- (FOR CLASS 1 & 2 INSTALLATIONS, DO NOT DISCONNECT SIREN).
BATTERY INSTALLATION
HOOKING UP BATTERY LEADS- ALWAYS HOOKUP AND TURN ON AC POWER
BEFORE
INSTALLING BATTERIES. After turning on AC power, install two NEW, fully charged 12
volt DC batteries in the enclosure. Connect red lead from operator to the positive (RED +) terminal of
one battery and black lead from the operator to the (BLACK-) terminal of the OTHER battery. Place a
jumper between the remaining terminals of each battery if one is not already in place. See diagram
below.
+
-
+
-
12 VDC BATTERY
12 VDC BATTERY
RED LEAD
BLACK LEAD
JUMPER
Failure to install batteries correctly will cause damage and WILL not be covered by warranty.
Page 5