General Description

Models

• AR-101-H: Standalone controller with door contact input, alarm functions

• AR-101-U: Reader/controller with RS-485 / Wiegand switchable interface

Specifications

Electrical

• Input Voltage: 9–24 V DC

• Power Consumption: < 1 W (AR-101-U); < 3 W (AR-101-H)

• Frequency: 125 kHz (EM) / 13.56 MHz (Mifare)

• Reading Distance: 1–3 cm

Mechanical

• Dimensions: 37 × 37 × 31 mm

• Weight: ~40 g

• Housing: ABS, IP55 (dust/water resistant)

• Mounting: Flush-mount, panel installation

Environmental

• Operating Temperature: -20 °C to +60 °C

• Storage Temperature: -30 °C to +70 °C

• Humidity: 5%–95% RH, non-condensing

Key Features

• Dual-frequency RFID: Reads 125 kHz EM and 13.56 MHz Mifare cards

• User Capacity: 1,024 users; 1,200 event logs (AR-101-H)

• DIP Switch Selectable: RS-485 or Wiegand (26/34 bits) output

• Dual-color LED & Buzzer: Green for valid access, red for invalid/alert

• Master Card Function: Quick enrollment/deletion without keyboard

• Alarm Input (AR-101-H): Door open too long / forced entry alarm

• Relay Outputs: Door lock, alarm, security trigger signals

• Watchdog: Prevents system hanging

Interface & Wiring

AR-101-U Terminals

1. Vin: 9–24 V DC

2. GND: Ground

3. WG-D0: Wiegand Data 0

4. WG-D1: Wiegand Data 1

5. RS485-A: RS-485 A

6. RS485-B: RS-485 B

7. Lock Relay: NO/COM/NC

8. Alarm Relay: NO/COM/NC

AR-101-H Additional

• Door Contact Input (NC/NO)

• Egress Button Input

Installation

1. Mount the unit into a standard 37×37 mm cutout

2. Secure with mounting screws

3. Connect power (9–24 V DC) and ground

4. Wire Wiegand/RS-485 to controller or host

5. Connect lock, alarm, and door contact (if applicable)

6. Set DIP switches for interface mode (RS-485 / Wiegand)

7. Enroll master card, then user cards

Operation

• Standby: Green LED slow flash

• Valid Card: Green LED on, buzzer beep once, lock relay activate

• Invalid Card: Red LED flash, buzzer beep twice

• Door Open Too Long: Red LED flash, buzzer continuous beep

• Forced Entry: Red LED on, buzzer continuous beep, alarm relay activate

Compliance

• CE, RoHS, FCC certified

• Compliant with EN 60839-11, EN 50131-1

Package Contents

• AR-101-H/U main unit

• Wiring harness

• Mounting screws

• User manual

Optional Accessories

• Stainless steel mounting panel

• Wiegand keyboard (AR-WG-KEYBOARD)

• Relay output module (AR-821-RB)

• Master cards (2 pcs)