Professional RS-232 to RS-485 Conversion
The Array 3313 RS-232C to RS-485 Converter enables seamless connection between PC serial ports and multidrop RS-485 networks. Designed specifically for Array Electronic loads and power supplies, this converter extends communication range up to 1200 metres whilst supporting up to 32 devices on a single network.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Input Interface | RS-232C (DB-9 Male) |
| Output Interface | RS-485 (Terminal Block) |
| Maximum Distance | 1200m (4000 feet) |
| Network Devices | Up to 32 nodes |
| Data Rate | Up to 115.2 kbps |
| Power Supply | Port-powered from RS-232 |
| Isolation | Optical isolation |
Wiring Quick-Start
Connect the RS-485 lines using twisted pair cable:
Multidrop Network Configuration
The 3313 converter enables PC connection to multiple Array Electronic devices in a daisy-chain topology. Each device requires a unique address (0-254) for individual control and monitoring. The differential signalling provides excellent noise immunity in industrial environments.
Compatible with Array Electronic:
- 3710A/3711A Electronic Loads
- 3644A/3645A/3646A Power Supplies
- 364XA Series DC Power Supplies
- 371X Series Programmable Loads
Installation Notes
The converter requires no external power supply when connected to a standard PC serial port. The optical isolation protects connected equipment from ground loops and voltage spikes. LED indicators show power and communication status for easy troubleshooting.