Burkert 8400 Mode D'emploi page 6

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2 description Wall-mounted temperature controller 8400
2.1 design
The temperature controller 8400 is an electronic module which has to
be inserted into an holder previously mounted on a wall. It may switch a
solenoid valve, activate an alarm or establish a control loop.
It must be associated to a remote 3-wire Pt100 temperature sensor.
The switching point can be adjusted by means of the three keys located
under the display.
The electrical connection is carried out via a steerable 5-pin M12 male
connector and a 4-pin M12 female connector.
2.2 measuring principle
Wall-mounted holder
The controller 8400 measures the resistance of the remote Pt100 sen-
sor.