Control with Band Limitation
10 Monitoring of Measuring Circuit
Lower Display
Range limit
Meas. range
–
TC
–
PT100
±100 mV
500
Indication
( = is detected)
1) only probe or wire break
2) no probe or wire short-circuit with 2-wire sensors
3) with thermocouples and Pt100 the measuring range limits are fixed in advance
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Upper Display
Range limit
–
–
blinking
blinking
Lower Meas.
Upper Meas.
Range limit
Range limit
3)
3)
3)
3)
blinking
blinking
Probe or wire
short-circuit
Probe or wire
break
1)
1)
2)
blinking