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Page 37
Electrical Installation
thermoMETER CSmicro
8.1.3
CSmicro 2W-SF15H/ 2W-SF22H as Analog Device (mA two-wire-output) - Current Measure
ment in GND- (Loop-) Line
On the models 2W-SF15H/ 2W-SF22H (sensors for ambient temperatures up to 180 °C) and on the special
versions for 250 °C ambient temperature the GND and Shield is connected inside the controller.
Special note for current measurement in GND- (Loop-) line:
In this case the sensor must be installed isolated from ground. An isolated mounting bracket is included (for
CSmi2W-SFxxH). A connection of the GND or Shield wire to earth is also not allowed.
For current measurement in the Power- (Loop+) line the drawing CSmicro 2W as analog device is valid. The
shield should be connected to ground or GND.
i
The maximum loop impedance is 1000
W.