
SL500dc Series Electronic Limit Circuit Board
The control board is only compatible with our gate openers and only match our remote control.
Automatic Close Function: Auto-Close time can be set to 10, 20, 30,40or50 seconds with no automatic close function.
Intelligent Capabilities: Soft start and slow stop function, auto reversal function when meeting obstacle.
Technical Parameters
Model | SL500DC | SL800DC |
Power supply | 220V/50Hz;110V/60Hz | 220V/50Hz;110V/60Hz |
Motor power | 150W | 180W |
Gate moving speed | 16-18m/min | 16-18m/min |
Maximum weight of gate | 500Kg | 800Kg |
Remote control distance | ≥30m | ≥30m |
Remote control mode | Single button mode / Three button mode | Single button mode / Three button mode |
Limit switch | Electronic limit switch | Electronic limit switch |
Noise | ≤60dB | ≤60dB |
Working duty | S2, 20min | S2, 20min |
Recording of up remote controls | 100 | 100 |
Frequency | 433.92 MHz | 433.92 MHz |
Working temperature | -20°C ~ +70°C | -20°C ~ +70°C |
Package weight | 10Kg | 11Kg |
Battery Specification | 12V/9Ah | 12V/9Ah |

Battery Level Checking
The current battery level can be checked through the indicator lights. When the power is low (battery voltage<10.5V), the machine will stop running to protect the battery being damaged. Under such circumstance, users may have to unlock the machine first, after which the gate can be manually operated.
A. Operation Instruction:
1. Press “SET” button once. à Indicator lights L1-L5 will indicate the current battery level (Table 4 Battery Level)
2. Press “PROG” button once to exit the battery level checking. à Indicator lights L1-L5 will be off.
B. Operation Graphic Illustration
Restore Factory Setting
1. Simultaneously press the three buttons “PROG”、“+” and “-” for 3 sec. à All indicator lights L1-L5 will be on.
2. Press “SET” button once to confirm to restore factory setting. à Indicator light L1-L5 will be off in sequence, and then L1-L5 will be on for one sec.

Others
Maintenance
Check whether the gate is operates normally every month.
For the sake of safety, each gate is suggested to be equipped with infrared protector, besides which regular inspection is required.
Before installation and operation of the gate opener, please read all instructions carefully.
Our company reverses the right to change the instruction without prior notice.
Technology advantages
We are willing to develop all new material only if it’s required in application.
All our technology innovation only for one aim-the best quality, even that means a higher cost and lower production rate.
Our company uses the most advanced equipment to make the best quality products.
The reason of choosing us:
1. We have more than 10 years production and sales experience, we have professional production equipment and personnel.
2. Our professional technical support can help you solve the problems and meet your custom requirements.
3. We are factory, so the price will be competitive.
4. Small quantity is acceptable.
5. Welcome you to visit our factory.
How can I place an order?
You can contact any of our salesmen for machine and order details. Please tell us your requirements as clearly as possible when making an inquiry, so that we can send you a quotation as soon as possible.
All of our products are supplied directly from factory, so the price is very competitive.
All products have a one-years warranty.
Send Inquiry









