PD6701 Field-Mount Loop-Powered Feet & Inches Level Meter
Instruction Manual
5
Specifications
Except where noted all specifications apply to operation at +25°C.
General
Display
Feet &
Inches
0.60" (15.2 mm) high
0 to 699
FT
11
15
/
16
IN
7-segment, programmable
1/16 or 1/8 fraction display
Seven
characters
(Tag &/or
Volume)
0.4" (10.2 mm) high
14-segment, 7-digits
Tank Level
Indicator
20-segments
Display
Orientation
Display may be mounted at 90° increments
up to 270° from default orientation.
Display
Assignment
Upper display: Feet & inches
Lower display may be assigned to custom unit
or tag, volume, volume and tag, percent
height, percent height and tag, or off.
Display
Update Rate
Ambient > -25°C: 2 Updates/Second
Ambient < -25°C: 1 Update/5 Seconds
Backlight
White; Loop-powered or externally powered.
Backlight can be enabled or disabled via
alternative wiring of terminal block. Loop-
powered backlight brightness will increase as
the input signal current increases. Externally
powered backlight has consistent brightness.
Externally
Powered
Backlight
Voltage
Range:
Maximum Power
9-36
VDC
9
VDC
12
VDC
24
VDC
36
VDC
0.2 W
0.25 W
0.5 W
0.75 W
Overrange
And
Underrange
Level display flashes to
699
FT
11
15
/
16
IN
Volume display flashes
9999999
if overrange,
-999999
if underrange.
Programming
Method
Four SafeTouch through-window buttons
when cover is installed. Four internal
pushbuttons when cover is removed.
Noise Filter
Programmable low (
LO
), medium (
MED
), high
(
HI
), or off (
OFF
)
Recalibration
Recalibration is recommended at least every
12 months.
Max/Min
Display
Max/Min readings reached by the process are
stored until reset by the user or until power to
the meter is turned off.
Password
Programmable password restricts modification
of programmed settings.
Non-Volatile
Memory
All programmed settings are stored in non-
volatile memory for a minimum of ten years if
power is lost.
Normal Mode
Rejection
64 dB at 50/60 Hz
Environmental
Operating temperature range: -40 to 75°C
Storage temperature range: -40 to 75°C
Relative humidity: 0 to 90% non-condensing
Connections
Screw terminals accept 12 to 22 AWG wire
Enclosure
NEMA 4X, IP65 plastic field enclosure
Color: grey
Three ¾" NPT threaded conduit openings.
Two ¾" NPT plastic conduit/stopping plug with
1.29" wrenching flats and screwdriver slot.
Mounting
May be mounted directly to conduit. Two
slotted flanges for wall mounting or NPS
1½" to 2½" or DN 40 to 65 mm pipe
mounting. See
on page
Overall
Dimensions
5.67" x 5.25" x 4.18" (W x H x D)
(144 mm x 133 mm x 106 mm)
Weight
1.65 lbs (26.4 oz, 0.75 kg)
Warranty
3 years parts and labor. See Warranty
Information and Terms & Conditions on
Input
Input
4-20 mA
Accuracy
±0.03% of calibrated span ±1 count
Maximum
Voltage Drop &
Equivalent
Resistance
Without Backlight
or with Externally
Powered Backlight
With Loop-Powered
Backlight
3.0 VDC @ 20 mA
6.0 VDC @ 20 mA
150
Ω @ 20 mA
300
Ω @ 20 mA
Temperature
Drift
50 PPM/
C from -40 to 75
C ambient
Multi-Point
Linearization
2 to 32 points, level and volume
independently programmed.
Minimum Span
Input 1 & Input 2: 0.10 mA
Calibration
Range
An
Error
message will appear if input 1
and input 2 signals are too close
together.
Input
Range
Minimum Span
Input 1 & Input 2
4-20 mA
0.10 mA
Input
Overload
Over current protection to 2 A max.
HART
Transparency
The meter does not interfere with existing
HART communications; it displays the
4-20 mA primary variable and it allows the
HART communications to pass through
without interruption.
The meter is not affected if a HART
communicator is connected to the loop.
The meter does not display secondary
HART variables.
Open Collector Output
Rating
Isolated open collector, sinking NPN
30 VDC @ 150 mA max.
Alarm Output
Assign to level or volume for high or low
alarm trip point.
Deadband
0-100% FS, user selectable
Acknowledge
Front panel ENTER button and external
RESET terminals resets output and screen
indication.
