Emerson Micro Motion 3711 Configuration And Use Manual page 73

Gas flow computers
Table of Contents

Advertisement

Configuring I/O
Figure 7-3
Analog Inputs – Advanced panel
Table 7-2
Analog Inputs – Advanced parameters
Parameter
Description
Filter
The percentage of the last value and the new value to use in
calculating the filtered value. Enter a value in percent.
Adjusted A/D 0%
The calibrated Analog-to-Digital value corresponding to an input
level of 0% (4 mA).
Adjusted A/D
The calibrated Analog-to-Digital reading corresponding to an
100%
input level of 100% (20 mA).
Raw A/D Input
The current value produced by the Analog-to-Digital converter.
Actual Scan
The actual scan period, or time that elapses betwen the
beginning of one scan and the beginning of the next scan.
Average Raw
Controls whether averaged values or instantaneous values are
Value
used as the Raw A/D Input value during calculations.
• Enabled: Values are averaged over a single scan period.
• Disabled: The instantaneous value is used.
Configuration and Use Manual
Comments
To disable filtering, enter 0 in this
.
field. See Section 7.4.1
This value is used to convert the
input to EUs.
During calibration, this value is
adjusted to set the 0% input
exactly at the Low Reading EU
value. See Section B.2.
This value is used to convert the
input to EUs.
During calibration, this value is
adjusted to set the 100% input
exactly at the High Reading EU
value. See Section B.2.
Read-only.
Read-only. If the system is not
overloaded, this value should
equal the Scan Period value
configured on the General panel.
65

Advertisement

Table of Contents
loading

Table of Contents