This intelligent sensor/switch with an extra-large display is specifically designed to switch a valve and to establish a monitoring system or an ON/OFF control loop. Compact and wall versions are available. The wall-mounted version must be inserted into a holder previously mounted on a wall, and it must be associated with a remote temperature sensor. The switching points can be programmed with the 3 key pads or optionally, with input 4…20 mA, from an external PLC over a 4…20 mA loop. As an option, the process value can additionally be transmitted to the PLC (4…20 mA). The connection of the 8400 to the process in the piping is made using standard fittings.
Indication, monitoring, transmitting and On/Off control in one device
Extra-large display
Menu-guided parametrisation
Input type : Pt100
Output signal : digital, 4-20 mA
Other characteristics : compact, smart
Applications : process
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