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ADCEC12D, ADCEC24D
Advanced Direct Current Electronic Clutch 12/24V Double Motor Controller
Features
2 versions – 12V Double Motor (ADCEC12D), 24V Double Motor (ADCEC24D),
Low standby current at 25mA
No limit switch
Push Button, Photocell Control or Lock Control
Optional wireless control with receiver plugged in
4-way Code Switch for different settings
Also available with plastic case (C220)
| ADCEC12D |
For 12 Volt Motors |
| ADCEC24D |
For 24 Volt Motors |
Application
Motor control for garage doors, gates etc. |
 Click image to enlarge
Download Datasheet
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Description
The ADCEC comes in 2 versions – 12V Motor (ADCEC12D) or 24V Motor (ADCEC24D). It is specially designed for controlling an automatic gate or door that uses Double DC motor and no limit switch . An electronic clutch built into the controller makes this possible.
The ADCEC has a built-in push button , photocell control and lock control .
Optional wireless operation is available with a plug-in receiver.
Code Switch Setting (Gray indicates switch position)

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Autoclose |
PB/RC up only |
Security Close |
Photocell Input Change (NO to NC) |
Pedestrian Access
Pedestrian Access opens M1 only.
Close Only / Open Only
Dedicated inputs for emergency opening or closing of doors.
Battery Charge
Simply connect a voltage on the AC(~) terminal. The trimpot in the charger section is factory set to 13.6 Volts for the 12 volt version and 27.2 Volts for the 24 volt version. No further adjustment is required.
Products in the Range
Other Features
M1 / M2 |
Overload Trimpot |
Sets amount of overload. Turn clockwise for more overload power, anti-clockwise for less. |
LED |
Red Overload |
Overload detected. ADCEC card will stop motor after 1.5 seconds of overloading. |
LED |
Red OLR1 / OLR2 |
Indicates the door / gate travel distance in which reversal of motor will occur if an overload condition results. Door / gate will stop when LED flashes and overload occurs.
The ADCEC will slow down before the fully opened or closed position is reached. This position is indicated with the OLR LED flashing. |
LED |
Direction |
ON – direction towards open
OFF – direction towards close |
OLR |
Overload Travel Range Trimpot |
OLR trimpot can be adjusted from 3 – 55 seconds. This sets the travel distance where the door / gate will overload and reverse. It should be set to ~3 seconds before the door / gate is fully opened or closed. |
Fuse |
Replaceable Fuse |
Replaceable 240VAC 10Amp fuse. |
Maximum run timer |
Switch-off Protection |
The motor will switch-off after 60 seconds of continuous running. |
Installation Instruction
Antenna
The antenna connection is used to connect an antenna for the plug-in FMR-201, GLR2701SS or GLR43301SS. The antenna can be a 50 ohms antenna or a piece of approximately 1m wire.
Push Button Input
Push button is a normally open contact. When pressed it will start the opening or closing cycle. This push button should be waterproof for internal and external use. Waterproofing will prevent false activations, which normally occurs due to moisture inside the button. Door or gate can be held open permanently when push button is pressed continuously.
Photo Cell Input
Photo Cell input is normally open contact. When dip switch 4 is on, photo cell is changed to normally closed contact. The photocell is used as a safety feature. If the motor is closing and the photo beam is broken, motor will stop instantly and then open fully again. Should an object be blocking the motor (i.e. photo cell is broken), closing cycle or auto closing is disabled.
Power + -
Connect 12VDC (or 24 VDC for ADCEC24D) to the terminal block marked - +.
Motor
Motor should be rated for 12VDC (or 24 VDC for ADCEC24D).
Light Output
The light output is a Normally open (NO) dry contacts which will switch on light each time the motor runs and has a preset delay off of 60sec after the motor stops.
LOCK Output
This terminal block outputs a short pulse of 1-6 seconds (adjustable) on opening and closing cycle. This is used for a standard 12V lock.
Remote Control
Remote control is achieved by inserting Elsema's FMR-201, GLR2701SS or GLR43301SS. Power to the ADCEC printed circuit board should be switched off during the installation of a receiver. The transmitter can be an FMT-301 GLT2701 or GLT43301respectively.
Leaf Delay
The leaf delay of 1 - 10 seconds can be adjusted by the trimpot labeled Close Leaf Delay. Turning clockwise will increase the delay time.
Changing Slow Speed
The slow speed is factory set to 25% of the fast speed. The user can change resistors on the ADCECS printed circuit board to change the slow speed to a different speed.
For example, slowing the factory setting would require the user to increase the resistor value. Hence, increasing the factory setting to a faster speed would require the user to decrease the resistor value.
The two resistors controlling the slow speed are 10k ohms and 4.7k ohms connected in parallel. The 10k ohms resistor is a surface-mount resistor and the 4.7k ohms resistor is a through-hole. The position of the 4.7k ohms resistors are illustrated in the diagram below:

The top resistor is for Motor 1 and the bottom resistor is for Motor 2. The factory setting is 25% slow speed.
Setup Instruction:
- Make sure wiring of the control board is complete.
- Move the gates to fully closed position.
- Remove power (transformer and battery if used) for about one minute and then connect power.
- Set the OLR1 and OLR2 trimpot to minimum (fully-anticlowise)
- First pulse of the push button or radio transmitter after power up will always open the gate. So if motors run in opposite direction switch off power and swap the motor wires.
- Set the OLR trimpot so that motor goes into slow speed about 300mm before it hits the end stop. The slow speed region can be seen by the OLR LEDs flashing.
- Run the gate/door a number of times so that a symmetrical operation is achieved.
Block Diagram

NB. Care should be taken not to cross PCB with 240V wiring over or under board. This would induce spikes onto the sensitive circuitry of PCB.
The transformer and rectifier used to power the ADCEC board should be large enough to power the motor (check motor rating). If an electronic lock is used a larger transformer and rectifier should be used to power both the motor and lock. Note some locks draw as much as 6 amps.
Customised Programming
With a minimal programming fee, customised programming service is available upon request. Special features can be included in the new program. Please contact us for such service.
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