PD2-6210
Helios Large Display Analog Input Batch Controller Instruction Manual
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.
Square Root Linearization (
Square
)
The square root function can be used to linearize the signal from a differential pressure transmitter and
display flow rate in engineering units.
Programmable Exponent Linearization (
Prog E
)
The programmable exponent can be used to linearize the signal from level transmitters in open-channel
flow applications using weirs and flumes.
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.
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