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Endress+Hauser RMA 422 - 5.5 Alarm Set Points;Fault Monitoring (Continued); Alarm Thresholds, Hysteresis, and Time Delays

Endress+Hauser RMA 422
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5.4 Analogue outputs
The following addresses are only available if the
unit is fitted with the analogue output option.
Parameter Setting up selections
Default
settings
Actual
setting
* Reference value
OREF1 / OREF2
Selection of signal source of
the analogue output value
Selection range:
IN1: Process value ch. 1
IN2: Process value ch. 2
MATH: Process value maths.
IN1
* Output range
RANG1 / RANG2
Select current or voltage
output with 0% and 100%
values.
4-20 mA, 0-20 mA, 0-10 V
4-20
* Scale
analogue output 0%
OLO1 / OLO2
Allocation of numeric display
value to the 0% analogue
output value.
Selection range:
Display value 0% (
DILO)to
Display value 100% (
DIHI)
0,0
*Scale
analogue output 100%
OHII / OHI2
Allocation of numeric display
value to the 100% analogue
output value.
Selection range:
Display value 0% (
DILO)to
Display value 100% (
DIHI)
100,0
For inverted signal output the 100%value must be smaller than the 0% value
* Fault condition
FAIL1 / FAIL2
Definition of the output signal
in fault condition. These are
sensor cable open circuit or
unit internal fault
HOLD Output of last
valid measurement
MIN Output 0% value,
at 4-20 mA: 3.5 mA
MAX Output 100% value,
at 4-20 mA: 22 mA
HOLD
* Simulation
voltage/current
SIMU1 / SIMU2
Dependent whether current
or voltage output is set, a
number of values are offered
that can be transmitted to the
output
OFF Simulation is switched
off, the output value is
proportional to the
measured value.
Voltage output:
0,0V, 5,0V, 10,0V
Curent output:
0,0MA, 3,6MA, 4,0MA, 10,0MA,
12,0MA, 20,0MA, 21,0MA
OFF
Once this address is left the output is automatically set to OFF.
The red LED flashes during active simulation!
OUT1 /
OUT2
Process transmitter
54

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