Emerson Process Management 1500 Manuel D’Utilisation
58
Micro Motion
®
Model 1500 Transmitters with the Filling and Dosing Application
Configuring the Filling and Dosing Application
•
To configure Channel A as a three-level output, use the
Analog Output
panel and:
-
Set
Primary Variable
to
Primary Valve
.
-
Ensure that
Enable 3 Position Valve
is enabled.
-
Specify the
Setpoint
, which is the mA output level that sets the valve to closed partial.
-
Specify the
Closed Value
, which is the mA output level that sets the valve to closed
full. This value must be between 0 and 4 mA, and should be set according to the
requirements of the valve.
requirements of the valve.
Figure 7-4
Discrete IO panel
Table 7-1
Output requirements and assignments
Fill type
Output requirements
Options
Assignment
One-stage discrete
One discrete output
Channel A
Primary valve
Channel B
Primary valve
One-stage discrete
with purge cycle
with purge cycle
Two discrete outputs
Channel A
Channel C
Channel C
Primary valve; 3-position valve disabled
Secondary (purge) valve
Secondary (purge) valve
Channel B
Channel A
Channel A
Primary valve
Secondary (purge) valve with 3-position valve
disabled
Secondary (purge) valve with 3-position valve
disabled
Channel B
Channel C
Channel C
Primary valve
Secondary(purge) valve
Secondary(purge) valve
Two-stage discrete
Two discrete outputs
Channel A
Channel C
Channel C
Primary valve with 3-position valve disabled
Secondary valve
Secondary valve
Channel B
Channel A
Channel A
Primary valve
Secondary valve with 3-position valve disabled
Secondary valve with 3-position valve disabled
Channel B
Channel C
Channel C
Primary valve
Secondary valve
Secondary valve
Three-position analog
One three-level output
Channel A
Primary valve with 3-position valve enabled
Three-position analog
with purge cycle
with purge cycle
One three-level output and
one discrete output
one discrete output
Channel A
Channel C
Channel C
Primary valve with 3-position valve enabled
Secondary (purge) valve
Secondary (purge) valve