Pepperl+Fuchs KF GUT Series Manual page 19

Temperature Converter with Trip Values KF**-GUT-(Ex)1.D
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Mounting and connection
Be aware that the error signals Err SB, Err SC, Err SB RED and Err RED refer to the sensor function and
not to the sensor lines.
Due to the principle, the following line faults are detected:
• for 2-wire technology
 lead breakage on terminals 2 and 3
 short circuit between terminals 2 and 3
• for 3-wire technology
 lead breakage on terminals 2 and 3
 short circuit between terminals 2 and 3
• for 4-wire technology
 lead breakage on terminals 2 and 4
 short circuit between terminals 2 and 3
 short circuit between terminals 2 and 4
 short circuit between terminals 1 and 3
 short circuit between terminals 1 and 4
In case of a fault, the relays normally switch to the idle state. Exceptions are described in section 8.2.4
and section 8.5.1 (Maintain in case of error).
The behaviour of the current output in case of a fault is described in section 8.2.4 and section 8.6.2.
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