X20 system modules • Other functions • X20CM8281
X20 system User's Manual 3.10
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4.26.3.10.5.6 Status of the analog input
Name:
StatusInput01
This register is used to monitor the analog input on the module. A change in the monitoring status generates an
error message.
Data type
Value
USINT
See bit structure.
Bit structure:
Bit
Description
Value
Information
00
No error
01
Lower limit value exceeded
10
Upper limit value exceeded
0 - 1
Channel 1
11
Open line
1)
2 - 7
Reserved
0
1)
Open-circuit detection does not occur during current signal measurement.
4.26.3.10.6 Analog output
The channel can be configured for either current or voltage signals. The type of signal is also determined by the
connection terminals used.
4.26.3.10.6.1 Analog output register
Name:
AnalogOutput01
This register is used to output the analog output value appears depending on the operating mode that is set.
Data type
Value
Information
-32768 to 32767
Voltage signal -10 to 10 VDC
INT
0 to 32767
Current signal 0 to 20 mA
4.26.3.10.7 Configuration of the analog inputs and outputs
Name:
ConfigOutput04
This register can be used to define the type and range of signal measurement.
Each channel is capable of handling either current or voltage signals. The type of signal is determined by the
connection terminals used. Since current and voltage require different adjustment values, it is also necessary to
configure the desired type of output signal.
Input signal:
•
±10 V voltage signal (default)
•
0 to 20 mA current signal
•
4 to 20 mA current signal
Output signal:
•
±10 V voltage signal
•
0 to 20 mA current signal
Data type
Value
USINT
See bit structure.
Bit structure:
Bit
Description
Value
Information
00
Voltage signal -10 VDC to +10 VDC
01
Current signal 0 mA to 20 mA
0 - 1
Analog input
11
Current signal 4 mA to 20 mA
2 - 3
Reserved
0
0
Voltage signal -10 VDC to +10 VDC
4
Analog output
1
Current signal 0 mA to 20 mA
5 - 7
Reserved
0
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