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Control & Instrumention Expertise Since 1982


Industrial communication converters and repeaters, to suit a wide range of protocols and media.
Media: Ethernet, Fibre, Serial RS232, RS422, RS485
Protocols: Modbus RTU, Modbus ASC11, Modbus TCP

Field 990 Serial Communication Converter

Field Electronics 990 Series

Universal DIN rail mount serial communication converter or line driver.

RS232, RS422, RS485 section

Half Duplex or Full Duplex operation