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ControlCare Field Controller: Commissioning and Configuration
5 Configuring the Field Controller
Hauser
41
Properties
The AO block uses the OUT values to force electrical signals as shown in Tables 4-4 to 4-6. The
type of output is determined by the wiring (current or voltage) and DIP switch (Range end value
5 DC or 10 VDC)
•
Current output
The parameters XD_SCALE_EU_100 and XD_SCALE_EU_0 set the range end values of the
current signal output by the module. This is normally a standard 0 mA to 20 mA/4 mA to 20 mA
signal, but other ranges within these limits are possible. The current output is independent of the
setting of the Voltage Range DIP switch on the module and is directly proportional to the
OUT value.
Tab. 5-4: Current output of SFC446 module as a function of the XD_SCALE settings
•
Voltage output (DIP switch OFF = range end 5V)
The parameters XD_SCALE_EU_100 and XD_SCALE_EU_0 set the range end values of the
voltage signal output by the module. This is normally a standard 1V to 5 V/-5 V to +5 V signal,
but other ranges within these limits are possible. The voltage output is dependent of the setting
of the Voltage Range DIP switch on the module and is directly proportional to the OUT value.
Tab. 5-5: Voltage output of SFC446 module with DIP swich OFF as a function of the XD_SCALE settings
•
Voltage output (DIP switch ON = range end 10V)
The parameters XD_SCALE_EU_100 and XD_SCALE_EU_0 set the range end values of the
voltage signal output by the module. This is normally a standard 2V to 10 V/-10 V to +10 V
signal, but other ranges within these limits are possible. The voltage output is dependent of the
setting of the Voltage Range DIP switch on the module and is directly proportional to the
OUT value. The readback and OUT value reflect the XD_SCALE entries, not the voltage that can
be measured at the output.
Tab. 5-6: Voltage output of SFC446 module with DIP swich ON as a function of the XD_SCALE settings
XD_SCALE
Range 0 mA to 20 mA
Range 4 mA to 20 mA
Value
Output
Value
Output
EU_100
20
20 mA
20
20 mA
EU_0
0
0 mA
4
4 mA
Unit
mA
–
mA
–
XD_SCALE
Range 1 V to 5 V
Range –5 V to +5 V
Value
Output
Value
Output
EU_100
5
5 VDC
5
5 VDC
EU_0
1
1 VDC
–5
–5 VDC
Unit
V
–
V
–
XD_SCALE
Range 2 V to 10 V
Range –10V to +10V
Value
Output
Value
Output
EU_100
5
10 VDC
5
10 VDC
EU_0
1
2 VDC
–5
–10 VDC
Unit
V
–
V
–