Model PD6060 Dual-Input Process Meter
Instruction Manual
77
Math Constants (
Const
)
The
Math Constants
menu is used to set the constants used in channel
C math. The math functions include input channel A and B, as well as
the adder constant P, and factor constant F.
The
Adder
constant (P) may be set from -99.999 to 999.999.
The
Factor
constant (F) may be set from 0.001 to 999.999.
The chart on page 76 details the math functions that may be selected in
the
Math Function
menu.
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.
Analog Output Programming (
AoutPr
)
The
Analog Output Programming
menu is used to program the behavior
of the 4-20 mA output. The following parameters and functions are
programmed in this menu:
1. Source: Source for generating the 4-20 mA output
2. Overrange: Analog output value with display in overrange condition
3. Underrange: Analog output value with display in underrange condition
4. Break: Analog output value when loop break is detected
5. Max: Maximum analog output value allowed regardless of input
6. Min: Minimum analog output value allowed regardless of input
7. Calibrate: Calibrate the internal 4-20 mA source reference used to
scale the 4-20 mA output
Содержание PD6060
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