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HKGRAM 402PC-V2.0 Barrier Gate Remote Control Receiver Wiring Diagram & Learning Guide(2026)

Wireless Remote Control Receiver.Wiring Diagram & Remote Learning Guide

This product is a dual-relay wireless remote control receiver with dry contact output, mainly used for switch signal control applications, such as barrier gates, access control systems, and automation equipment.

Key Features

Input VoltageDC12V – DC24V
Relay Contact Rating3A @ 30VDC / 3A @ 250VAC
Output InterfaceTwo outputs (normally open)
Control Output1. Suitable for switch signal control
2. DC motor: ≤25W @ 24V (load current ≤1A)
Standby Power Consumption< 1W (standby current ≤12mA)
Operating FrequencyRF 433.92MHz / 330MHz / 315MHz / 868.35MHz (optional)
Receiving Sensitivity-105dBm (open space distance ≥50m)
RF Decoding TypeCode learning
Remote Control CapacityUp to 400 buttons
Operating EnvironmentTemperature: -40°C ~ +80°C / Humidity: 5% ~ 80%
Storage EnvironmentTemperature: -20°C ~ +70°C / Humidity: 5% ~ 85%
Product DimensionsL94 × W60 × H30 mm (excluding enclosure)
Net Weight64g
  • Dual relay output (dry contact)
  • Learning-type wireless receiver
  • Large memory capacity
  • Stable performance and low power consumption
  • Easy learning and operation
  • Suitable for on-site installation and commissioning

2. Remote Control Compatibility

This receiver is a universal learning controller and is compatible with most wireless remote controls on the market.

Supported Remote Control Types

  • Fixed Code: 2262 / 2260 / 2264
  • Learning Code: 1527 / 2240
  • Rolling Code (Partial Support):
    • HCS301
    • HCS300
    • HCS200
    • HCS201
    • HCS100
    • HCS101
  • Some customized remotes (e.g. CAME)

Important Notice
If the remote control uses 2262 / 2260 / 2264 / 5326 without code programming, it cannot be paired with this receiver.


3. Wiring Instructions

🔒 Customer-Only Technical Content

This section is available exclusively to HKGRAM customers. Please enter the access password provided after order confirmation to unlock the full tutorial.

Please follow the wiring diagram carefully before powering on the device.

3.1 Power Supply Connection

  • Connect the power supply according to the controller’s voltage rating
  • Ensure correct voltage and polarity before energizing the system

3.2 Relay Output Description

  • The receiver is equipped with two independent relays
  • Output type: Dry contact (NO / COM / NC)
  • Typical applications:
    • Barrier gate OPEN / CLOSE signal
    • Access control door trigger
    • Control board start signal

Warning
This controller cannot directly drive AC motors or high-power loads.
It is designed only for control signal output.

Real photos of the wireless receiver

4. Remote Control Learning (Pairing)

Learning Procedure

  1. Press the LEARN button on the receiver
  2. The LED indicator lights up, then release the button
  3. The controller enters learning mode
  4. Press the desired button on the remote control
  5. The LED flashes approximately 5 times and turns off
  6. Learning is completed successfully

Relay Assignment

  • Learn Button 1 → Relay 1
  • Learn Button 2 → Relay 2

Each remote control button can be learned independently.

5. Remote Control Memory Clearing

Use this function when:

  • A remote control is lost
  • All remotes need to be invalidated

Clearing Procedure

  1. Press and hold Learn Button 1 or Learn Button 2
  2. Hold for more than 5 seconds
  3. The LED turns off
  4. All stored remote control data is erased automatically

After clearing, all previously learned remotes will no longer work.

6. Output Working Mode

  • Output mode: Momentary (Pulse)
  • Operation logic:
    • Press remote button → Relay ON
    • Release remote button → Relay OFF

Suitable for:

  • Barrier gate trigger
  • Door release signal
  • Control board pulse input

7. Important Notes

  • During learning, the remote control button must be pressed for more than 2 seconds
  • When the memory capacity is exceeded, the receiver will overwrite the earliest learned remote
  • This controller is not suitable for motor or direct load control

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