Emerson Model 1700 Manuel D’Utilisation
Effect of Flow Direction on discrete outputs
The Flow Direction parameter affects the discrete output behavior only if Discrete Output
Source
Source
is set to Flow Direction.
Effect of the Flow Direction parameter and actual flow direction on discrete
outputs
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
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
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