Helios Large Display Pulse Input Batch Controller Instruction Manual
PD2-6310
53
Select Menu (
SElect
)
The
Select
menu is used to
select the signal input
conditioner applied to the input
(linear, square root,
programmable exponent, or
round horizontal tank), low-
flow cutoff, and analog output
programming. The multi-point
linearization is part of the
linear function selection.
Signal Input Conditioning (
Functn
)
The
Function
menu is used to select the signal input conditioner applied to the input: linear, square root,
programmable exponent, or round horizontal tank volume calculation. The multi-point linearization is part
of the linear function selection.
Meters are set up at the factory for linear function with 2-point linearization. The linear function provides a
display that is linear with respect to the input signal.
Multi-Point Linearization (
Linear
)
Meters are set up at the factory for linear function with 2-point linearization. Up to 32 linearization points
can be selected for PV1 under the linear function. The multi-point linearization can be used to linearize
the display for non-linear signals such as those from level transmitters used to measure volume in odd-
shaped tanks or to convert level to flow using weirs and flumes with complex exponent.
If the dual-scale level feature has been selected, the menus for PV1 & PV2 are enabled. PV2 can be
programmed with up to 8 linearization points.
Low-Flow Cutoff (
CutofF
)
The low-flow cutoff feature allows the meter to be programmed so that the often-unsteady output from a
differential pressure transmitter, at low flow rates, always displays zero on the meter.
The cutoff value may be programmed from 0 to 999999. The meter will display zero below the cutoff
value. Programming the cutoff value to zero disables the cutoff feature.
Total and Grand Total Count Direction (
Count
)
By default, the batch total and grand total count up during batch processes.
Count
parameter allows this
to change. When set to count down, the batch total will count down from the preset to 0. When set to
count down, the grand total will count down from a set value to zero.
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