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Analog input zero scale and full scale values
Configuring option module analog inputs using ION Setup
74
Configure your analog input's zero and full scale values.
In most cases the output range of the sensor feeding the analog input matches the
hardware limits of your meter's analog input port. In that case, the analog input's
zero scale and full scale values are the same as the sensor's represented range.
For example:
Analog sensor
0 - 50 psi represented by a
4 - 20 mA signal
If the sensor's output range does not match your meter's hardware limits, you
must calculate the full scale and/or zero scale values by analyzing the system.
See the ION Reference, available from www.usa.siemens.com/pds, for detailed
information about the Analog Input module and full scale and zero scale
calculations.
You can configure analog inputs using ION Setup.
Analog inputs are available on the optional I/O modules.
Calculate your zero scale and full scale values based on the analog source and
the input range of your meter.
Make sure that the analog input port that you want to use is properly configured
and connected to a valid external analog signal source.
1. Start ION Setup.
2. Open the Setup Assistant for your meter.
3. Navigate to Expansion Modules > Option I/O Modules and select the
module tab that corresponds to the option module with the analog input you
want to configure.
4. Select the analog input channel and click Edit. Enter the meter password if
prompted. The setup screen for that analog input is displayed.
5. Configure the analog input by selecting the parameter and clicking Edit.
Parameter
Value/Range
Zero scale
0 to ±10
Full scale
0 to ±10
–
Port
Mode
Voltage, current
Update Rate
One Second/
High Speed
Meter's analog input
4 - 20 mA analog input range
Description
9
The minimum source value that matches the minimum
analog input signal.
9
The maximum source value that matches the
maximum analog input signal.
The physical analog input port connection.
Determines whether the analog input is monitoring
voltage or current.
Defines how frequently the input is updated.
Inputs / outputs
Analog input values
Full scale = 50 (psi)
Zero scale = 0 (psi)
7EN05-0390-00
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