Datalink Corporation
DataLink FA422-RJ Series FA Specification RS232C/RS422 Converter

Manufacturer: DataLink
Model: FA422-RJ
Features
- This RS232C/RS422 converter is designed for harsh factory automation environments, with protection against lightning surges and static electricity.
- Clears IEC standard test level 4, the highest level in its class.
- Optical isolation between RS232C and RS422 prevents noise propagation.
- Features a noise-proof internal circuit design for RS232C/RS422.
- IEC standard test level 4 compliance:
– Surge Test: IEC61000-4-5, ±4kV
– Electrostatic Test: IEC61000-4-2, ±10kV
– EFT/Burst Test: IEC61000-4-4, ±2kV - Designed for paired use (two units).
- RS422 connector has two RJ45 ports for crossover and straight cables.
- Compatible with standard LAN cables, allowing for easy wiring and installation.
- Enables conversion from RS232C to RS422 with extension up to 500 meters (tested with CAT6 cable).
- Converts TXD/RXD, RTS/CTS, and DTR/DSR bidirectionally—suitable for control-line devices such as Mitsubishi sequencers and Omron PLCs.
- USB extension is possible using a USB/RS232C converter (e.g., [DL-U232A] or equivalent).
- Power supply is optional (provided by the user).
- Input voltage: DC6V to DC24V
- A dedicated AC adapter (AC100V input) is sold separately.
- DIN rail mounting is supported using an optional mounting bracket.
Specifications
Maximum communication distance | 500m |
Maximum communication speed | 115.2kbps |
Conversion signal line | TXD(RXD) / RTS(CTS) / DTR(DSR) |
External dimensions | W93 × H27 × D104mm ±1 excluding connectors and other protrusions |
Weight | 300g |
Operating temperature | 0 to 50°C (0 to 40°C when using AC adapter) |
Power consumption | 0.8W (max) |
Noise Countermeasures | Photocoupler insulation (between RS232C and RS422) Silicon surge absorber built-in Ceramic arrester built-in |
RS232C Connector | Dsub9 pin male (DTE arrangement) |
RS422 Connector | RJ45 modular jack × 2 ports (Normal or Reversed) |
Accessories | Manual RS232C cross cable (Dsub9P female 1.5m) ×2 |
Option | DIN rail mounting bracket DRA-1 |
◆ RS422 side (LAN/power cable) connection
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