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NOVUS, 8811400101, DigiRail-4C RS485 Four Counters / Digital Input Module
The Modbus Module for Digital Inputs - DigiRail-4C is an electronic unit with four digital counter inputs An RS485 serial interface allows reading and configuration of these inputs, through communication network. It's appropriate for mounting on DIN 35 mm rails. The inputs are electrically insulated from the serial interface and the module supply. There is no electrical insulation between serial interface and supply. There is no electrical insulation between the inputs 1 and 2 (common negative terminal), as well as between the inputs 3 and 4.
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