AR-321CM Isolated Converter
Instruction Manual
Product
AR-321CM
USB to RS-485
(Non-isolation USB/485 Converter)
Notice:
Before connecting to your computer, please must install a USB driver from SOYAL CD or from the SOYAL website (http://www.soyal.com )
AR-701CM
RS-232 to RS-485
(Non-isolation 232/485 Converter)
- Automatic Control of Data Direction
- RS-232 power supplied from DTR, RTS (Active Need)
- Up to 32 units in RS-485 multi-drop operation
- Surge protection: 8 KV
- Optical isolation: 2 KV
Specification
| Product | AR-321CM | AR-701CM |
| Converting Interface | USB/RS-485 | RS-232/RS-485 |
| Voltage | 5 VDC | 9-16 VDC |
| Baud Rate | 4800 bps-115200 bps | 4800 bps-115200 bps |
| Power Consumption | < 1W | < 1W |
| Operation Temperature | -20°C to +70°C | -20°C to +70t |
| Active Distance | 300M [RS-485] | 2M [RS-235]/300M[RS-485] |
| Optical Isolation | 2.5KV | 2KV |
| Surge Protection | 3KV | 8KV |
| Electrical Isolation | 2500V RMS | |
| Dimension(cm) | 76L x 37W x 16.4H | 64L x 55W x 16H |
| N.W.(g) | 60±5 | 40±5 |
PIN Define
AR-321CM
RS-485 Interface
| PIN | 6 | 5 |
| Description | B (-) | A (+) |
USB Interface
| PIN | 1(Red) | 2(White) | 3(Green) | 4(Black) |
| Description | VDC | D- | D+ | GND |
AR-701CM
RS-485 DB-25 Male Side
| PIN | 7(Black) | 13(Red) | 16(Blue) | 17(Green) |
| Description | GND | VDC | A (+) | B (-) |
RS-232 DB-25 Female Side
| PIN | 2 | 3 | 4 | 5 | 6 | 7 | 20 |
| Description | TX Data In | RX Data Out | RTS Power Source | CTS | DSR | GND | DTR Power Source |
Indicators
AR-321CM
- Power LED will keep lighting up in green after USB is plugged.
- RX flashing means data is receiving from RS-485 to USB.
- TX flashing means data is transmitting from USB to RS-485.
AR-701CM
Installation
AR-321CM
AR-701CM
