Preset 1 is always enabled and cannot be disabled.
4. Set
Target
to the size of the batch.
When the transmitter has measured the specified amount and applied the selected form of AOC, it
closes the valve.
5. Set
Name
to the name to be used for this preset.
The name can be up to eight characters in length. Valid characters include A–Z and 0–9.
6. Optional: Set
End Warning
to the point in the batch at which a Modbus coil will be set.
The end warning allows the transmitter to alert the operator to the end of batch. The operator can
prepare for the end of the batch, e.g., by adjusting the flow rate to avoid overflow.
7. Optional: For two-stage batching, set
% Target
or
Quantity
for the following parameters:
Two-stage batching is a batch that is run on a gas and liquid mixture flowing through a pipeline.
% Target
The values for
Open Primary
,
Open Secondary
,
Close Primary
, and
End
Warning
are each configured as a percent of target.
Quantity
The values for
Open Primary
and
Open Secondary
are each configured as
a quantity at which the valve should open. The values for
Close Primary
and
End Warning
are each configured as a quantity that is subtracted
from the target.
Parameter
Description
End Warning
The % target or quantity level that must be reached to alert the operator
that a batch is ending.
Open Primary
The % target or quantity level that must be reached to open the primary
valve.
Open Secondary
The % target or quantity level that must be reached to open the secondary
valve.
Close Primary
The % target or quantity level that must be reached to close the primary
valve. When configuring by quantity, the amount is referenced to the end
of the batch and not to the beginning of the batch.
5.3.3 Configure a DO for valve control
The transmitter runs a batch by opening and closing a valve. You can optionally configure a Discrete Output
(DO) to send the open and close commands to the valve.
Configure a DO for valve control using the display
Prerequisites
Channel B, Channel C, or Channel D must be available for valve control.
The selected channel must be wired to the valve.
The selected channel and the valve must be powered by a power supply, not by the transmitter.
Configure process measurement applications
Configuration and Use Manual
March 2019
MMI-20025166
98
Micro Motion Model 5700 Transmitters with Configurable Outputs
