I-7520R RS-232 to RS-485 converter (for PLC Users)

The I-7520R is a high-performance low-cost RS-232 to RS-485 converter packaged for convenience in a compact DIN rail mounted unit.

This RS-232 to RS-485 converter has been specially developed for PLC users with regard to their being isolation between the power/comms from the PLC and the rest of the serial network.

• Input : RS-232 protocol
• Output : RS-485 protocol
• Speed : auto switching baud rate, 300~115200 bps
• "Self Tuner" inside
• 256 modules max. in one RS-485 network without repeater
• 2048 modules max. in one RS-485 network with repeater
• Isolation voltage : 3000Vdc at RS-485 side
• Repeater request : 4,000 feet or over 256 modules
• Power consumption : 2.2W max.

• Input : RS-232
• Output : RS-485
• Baud Rates : 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115000
• Isolation Voltage : 3000V DC
• Power Reqt: +10 to +30V DC
• Power Consumption : 2.2W max
• Operating Temp : -10 to +60
• Storage Temp : -20 to +80
• Humidity : 5-95% non condensing

I-7520 RS232-RS485 and RS422 converter Series datasheet 

User Manual