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Effect of Flow Direction on discrete outputs
The Flow Direction parameter affects the discrete output behavior only if Discrete Output
Source is set to Flow Direction.
Effect of the Flow Direction parameter and actual flow direction on discrete
outputs
Table 4-7:
Flow Direction setting
Actual flow direction
Forward Zero flow Reverse
Forward OFF OFF ON
Reverse OFF OFF ON
Bidirectional OFF OFF ON
Absolute Value OFF OFF OFF
Negate Forward ON OFF OFF
Negate Bidirectional ON OFF OFF
Effect of Flow Direction on digital communications
Flow Direction affects how flow values are reported via digital communications.
Effect of the Flow Direction parameter and actual flow direction on flow
values reported via digital communications
Table 4-8:
Flow Direction setting
Actual flow direction
Forward Zero flow Reverse
Forward Positive 0 Negative
Reverse Positive 0 Negative
Bidirectional Positive 0 Negative
Absolute Value Positive
(3)
0 Positive
Negate Forward Negative 0 Positive
Negate Bidirectional Negative 0 Positive
Effect of Flow Direction on flow totals
Flow Direction affects how flow totals and inventories are calculated.
(3) Refer to the digital communications status bits for an indication of whether flow is positive or negative.
Configure process measurement
Configuration and Use Manual 43