6 Annex
72
Measuring circuit monitoring
The device response in the event of a fault is configurable.
6.1.2 Digital inputs (options 1 and 2)
Measuring probe Probe break Short-circuit Polarity
Thermocouple is detected is not detected is detected in certain
conditions
1
RTD temperature probe is detected is detected is not detected
Resistance transmitter is detected is not detected is not detected
Resistance/potentiometer is detected is not detected is not detected
Voltage 0 to 70 mV is detected is not detected is detected
Voltage 0 to 10 V is not detected is not detected is detected
Voltage -10 to +10 V is not detected is not detected is not detected
Voltage 0 to 1 V is detected is not detected is detected
Voltage -1 to +1 V is detected is not detected is not detected
Current 0 to 20 mA is not detected is not detected is not detected
Current 4 to 20 mA is detected is detected is detected
1
dependent on the set characteristic line
Quantity 0, 6, or 12
Connector number (back of
device)
6 and 10
Input
Level Logic level "0": < 3.5 V; logic level "1": > 10 V
Sampling rate 125 ms (max. counting frequency: 8 Hz)
Potential-free contact R
ON
: < 1 kΩ; R
OFF
: > 50 kΩ (use of the auxiliary voltage 24 V)
Auxiliary voltage DC 24 V +10/-15 %, max. 50 mA per option
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