2019-10
18
Functional Safety KFD2-UT2-(Ex)*(-1)
Operation
8. Remove the fixed resistor. Check if a lead breakage of the CJCs are detected.
The red LED is flashing. The output behavior in the event of a fault depends
on the device configuration.
9. Apply short circuit between terminals 2 and 3 (channel I) and between
terminals 5 and 6 (channel II). Check if a short circuit of the cold junction compensation
is detected.
The red LED is flashing. The output behavior in the event of a fault depends
on the device configuration.
10. Set the device back to the original settings after the test.
Proof Test for external Cold Junction Compensation
You can also use this proof test if you are using an external cold junction compensation.
In this case set the preset compensation/reference temperature on the TC simulator,
see step 3.
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