HE 5843 HIMOD analogue input module redox / temperature


The redox input module HE 5843 acquires the oxidation or reduction potential of watery solutions as well as a temperature value over connected sensors and transmits both values to the higher-level bus system. In the event of service, the module can be exchanged quickly and without complications in running operation (Hot Swap). The temperature value can also be specified externally or set to a fixed value. The measuring system is calibrated and set to precisely one value with an offset value. The signal status of the inputs is indicated via status-LEDs. The areas of power supply voltage, field bus, logics and inputs are isolated galvanically from each other. In the event of error the modules operate with previously predefined error values, in order to ensure safe process control (Fail Safe).

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HE 5843 HIMOD analogue input module redox / temperature
HE 5843 HIMOD analogue input module redox / temperature
Block diagram
Block diagram