EXSYS EX-47901 adaptador serie RS-232 a RS-485/RS-422

Transmit data up to 1.2 km with the EXSYS EX-47901, a self-powered RS-232 to RS-485/RS-422 converter with 600W surge protection.

Overview

The EXSYS EX-47901 is a hardware protocol converter that bridges RS-232 serial devices to RS-485 or RS-422 networks. It features a DB9 female connector for RS-232 and a 5-pin terminal block for RS-485/RS-422, supporting data rates up to 115.2 Kbps. The converter operates in 2-wire half-duplex for RS-485 and 4-wire full-duplex for RS-422, with automatic send data control for seamless communication.

What stands out

• 600W surge protection safeguards against voltage spikes.
• Self-powered from RS-232 signals (TXD, RTS, DTR) or optional external 5V DC.
• Built-in selectable 120 Ohm termination resistor.
• Supports up to 32 devices on RS-485 bus.
• Wide operating temperature range: -25°C to 70°C.

Technical details

• RS-232 connector: DB9 female
• RS-485/RS-422 connector: 5-pin terminal block
• Data transfer rate: up to 115.2 Kbps
• RS-485 mode: 2-wire, half-duplex
• RS-422 mode: 4-wire, full-duplex
• Transmission distance: up to 1.2 km
• LED indicators: TX, RX
• Housing material: plastic
• Humidity: 5% to 95% RH (non-condensing)

Our verdict

The EXSYS EX-47901 is a robust and reliable solution for extending serial communication over long distances, ideal for industrial environments.