SOYAL
ACCESS CONTROL SYSTEM
AR-321CM-485232
Isolated RS-232/RS-485 Converter
Certifications: FC CE SOR | Version: V211004
Product
[Product]
AR-321CM-485232
A physical representation of the AR-321CM-485232 converter, showing its compact form factor and attached cables, including a DB9 connector for RS-232 and a terminal block for RS-485.
Features:
- Data transmission direction auto control
- Able to link readers and PC to achieve Networking Access Control
- Indicators for power and communication, for debugging and status
- Surge protection: 3 kV
Specification
| Interface | RS485 <--> RS232 |
| Baud Rate | 4800 bps - 115200 bps |
| LED Indicator | 3 LEDs for Power, Communication |
| Watchdog Function | Yes |
| Active Distance | 300m (RS485) |
| Isolation | Electric 2.5 kV |
| Power Supply | 12 VDC |
| Power Consumption | <1W |
| Operating Temperature | -20°C ~ +70℃ |
| Dimension (mm) | 76(H)x37(W)x16.4(D) |
| Net Weight (g) | approx. 60 |
| OS Supported | Windows 7/8/10, Win Server 2008/2012/2016 |
PIN Define
RS485
| Function | PIN | Description |
|---|---|---|
| RS-485(B-) | 1 | RS-485(B-) |
| RS-485(A+) | 2 | RS-485(A+) |
| -- | 3 | -- |
| -- | 4 | -- |
| DC 12V | 5 | DC 12V |
| DC 0V | 6 | DC 0V |
Diagram of the RS485 connector with 6 pins.
RS232
| Function | PIN | Description |
|---|---|---|
| DCD | 1 | DCD (Data Carrier Detect) |
| RXD | 2 | RXD (Received Data) |
| TXD | 3 | TXD (Transmit Data) |
| DTR | 4 | DTR (Data Terminal Ready) |
| GND | 5 | GND (Signal Ground) |
| DSR | 6 | DSR (Data Set Ready) |
| RTS | 7 | RTS (Request To Send) |
| CTS | 8 | CTS (Clear To Send) |
| DE/RI | 9 | DE/RI (Ring Indicator) |
Diagram of the RS232 connector with 9 pins.
Indicators
Indicator status:
- Power LED: Stays green when RS232 is plugged in.
- RX LED: Flashes when data is received from RS-485 to RS232.
- TX LED: Flashes when data is transmitted from RS232 to RS-485.
Indicator status summary: Power LED (Green), RX LED (Green), TX LED (Red).
Installation
Diagram illustrating the installation setup. A PC is connected to the AR-321CM-485232 converter via an RS-232 cable. The converter is then connected via RS-485 to a 'Controller' device. A 12VDC power supply is connected to the converter.