PD8-6060 Explosion-Proof Dual Analog Input Process Meter
Instruction Manual
39
Setting the Decimal Point (
dEc pt
)
The decimal point may be set with up to five decimal
places or with no decimal point at all.
Pressing the Right arrow moves the decimal point one
place to the right until no decimal point is displayed,
and then it moves to the leftmost position.
There are three decimal points to set up for three
channels: Ch-A, Ch-B, and Ch-C.
After the decimal points are set up, the meter moves
to the
Program
menu.
Programming the Meter (
prog
)
The meter may either be scaled (
SCALE
) without
applying an input or calibrated (
Cal
) by applying an
input. The meter comes factory calibrated to NIST
standards, so for initial setup, it is recommended to
use the (
SCALE
) function.
The Program menu contains the Scale (
SCALE
) and
the Calibrate (
Cal
) menus.
Process inputs may be scaled or calibrated to any
display within the range of the meter.
Note:
The
Scale
and
Calibrate
functions are exclusive of
each other. The meter uses the last function programmed.
Only one of these methods can be employed at a time. The
Scale and Calibrate functions can use up to 32 points
(default is 2). The number of points should be set in the
Advanced Menu prior to scaling and calibration of the meter.
See Multi-Point Linearization (
details.
Multi-Point Linearization (
Linear
)
The process inputs may be calibrated or scaled to any
display value within the range of the meter. The meter
is set up at the factory for 2-point linear calibration.
Up to 32 linearization points may be selected.
See
on page 55 for
details.
Scaling the Meter (
SCalE
)
The process inputs (4-20 mA,
10 VDC) can be
scaled to display the process variables in engineering
units.
A signal source is not needed to scale the meter;
simply program the inputs and corresponding display
values.
Scaling the Meter for Channel A (
SCal-A
)
Scaling the Meter for Channel B (
SCal-B
)
For instructions on how to program numeric values
Values, page
Error Message (
Error
)
An error message indicates that the calibration or
scaling process was not successful.
After the error message is displayed, the meter
reverts to input 2 during calibration or scaling and to
input 1 during internal calibration, allowing the
appropriate input signal to be applied or programmed.
The error message might be caused by any of the
following conditions:
1. Input signal is not connected to the proper
terminals or it is connected backwards.
2. Wrong signal selection in
Setup
menu.
3. Minimum input span requirements not
maintained.
4. Input 1 signal inadvertently applied to calibrate
input 2.
Minimum Input Span
The minimum input span is the minimum difference
between input 1 and input 2 signals required to complete
the calibration or scaling of the meter.
Input Range
Input 1 & Input 2 Span
4-20 mA
0.15 mA
10 VDC
0.10 VDC
