7 Configuration
112
Scaling start, scaling end
A value range is assigned to the physical output signal by specifying the zero point and end value (scal-
ing). The default setting corresponds to a value range of 0 to 100%.
If, for example, a temperature with a value range from 150 °C to 500 °C is to be issued via an analog
output with signal type 0 to 20 mA, the start value must be set to 150 (corresponding to 0 mA) and the
end value to 500 (corresponding to 20 mA).
Response in case of a fault
Output value in the event of fault:
This behavior also applies for probe/wire break or probe/conductor short-circuit. Error detection depends
on the type of measuring probe (see technical data, measuring circuit monitoring).
chapter 11.1.1 "Analog inputs", Page 265
Limits according to NAMUR recommendation NE 43 for signal type 4 to 20 mA:
Response in case
of a fault
Value of the output signal after deviation above or below the measuring range (out
of range = o-o-r)
The selection options "Defined low value" and "Defined high value" are only avail-
able for the output signals 4 to 20 mA and 20 to 4 mA.
Replacement value Configurable value (parameter "Re-
placement value")
Defined low value Value for deviation below measured val-
ue/short-circuit according to NAMUR
recommendation
Defined high value Value for deviation above measured val-
ue/probe break according to NAMUR
recommendation
Replacement val-
ue
0 to 22 mA or
0 to 10 V
(depending on output signal)
Value of the output signal in the event of
deviation above or below the measuring
range
Parameter Selection/settings Description
Signal type (parameter "Output signal") Output value
Voltage 0 to 10 V Replacement value (configurable)
Current 0 to 20 mA Replacement value (configurable)
Current 4 to 20 mA Replacement value (configurable) or
Defined low value (1 mA) or
Defined high value (22 mA)
Voltage 10 to 0 V Replacement value (configurable)
Current 20 to 0 mA Replacement value (configurable)
Current 20 to 4 mA Replacement value (configurable) or
Defined low value (1 mA) or
Defined high value (22 mA)
Measurement information M 3.8 to 20.5 mA
Failure information A
for deviation below measured value/short-circuit ("NAMUR Low")
≤ 3.6 mA
Failure information A
for deviation above measured value/probe break ("NAMUR High")
≥ 21 mA
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