Configure A Do For Valve Control Using The Display - Emerson Micro Motion 5700 Configuration And Use Manual

Configure process measurement applications
March 2019
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
Quantity
Parameter
End Warning
Open Primary
Open Secondary
Close Primary
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.
98
The values for Open Primary, Open Secondary, Close Primary, and End
Warning are each configured as a percent of target.
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.
Description
The % target or quantity level that must be reached to alert the operator
that a batch is ending.
The % target or quantity level that must be reached to open the primary
valve.
The % target or quantity level that must be reached to open the secondary
valve.
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.
Micro Motion Model 5700 Transmitters with Configurable Outputs
Configuration and Use Manual
MMI-20025166