Xylem hydrovar, Installation, Operation And Maintenance Manual

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P405 DIMENSION UNIT
bar
Actual Value Output Freq.
Left fct. Up fct. Down fct. Right fct.
In case a change of this parameter is needed, consider to change P420 SENSOR RANGE
to the corresponding dimension unit too!
P410 CONF.SENSOR
Sets how the connected sensors are used and which sensor is active.
It is also possible to measure the difference of two connected sensors or to configure an
automatic switch-over in case of a faulty sensor.
P410 CONF.SENSOR
Sensor 1
Actual Value Output Freq.
Left fct. Up fct. Down fct. Right fct.
Possible setting are:
Table 13: Possible settings
Setting Property Description
Sensor 1 Constantly active 0/4 - 20 mA signal: connected to X1/2
and X1/1 (+24V)
0/2 - 10 V signal: connected to X1/2,
X1/1 (+24V) and X1/3 (GND)
Sensor 2 Constantly active 0/4 - 20 mA signal: connected to X1/5
and X1/4 (+24V)
0/2 - 10 V signal: connected to X1/5,
X1/4 (+24V) and X1/6 (GND)
Auto Automatic switch over In case of faulty sensor
Switch Dig1 Manual switching Close digital input 1 (X1/14 - X1/15)
Switch Dig2 Manual switching Close digital input 2 (X3/1 - X3/2, on
Premium Card)
Switch Dig3 Manual switching Close digital input 3 (X3/5 - GND)
Switch Dig4 Manual switching Close digital input 4 (X3/15 - 16)
Auto Lower Automatic switch over The sensor with the lower actual value
is active
Auto Higher Automatic switch over The sensor with the highest actual
value is active
Sens.1 - Sens.2 - The difference of the connected
sensors as actual value
P415 SENSOR TYPE
Selects the sensor type and the input terminal.
8 Programming
72 HVL 2.015-4.220 Installation, Operation, and Maintenance Manual