Precision Digital Corporation PD6907 User manual

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

PRECISION DIGITAL CORPORATION

233 South Street • Hopkinton MA 01748 USA

Tel (800) 343-1001 • Fax (508) 655-8990

www.predig.com

•Fully-Approved Explosion-Proof & Intrinsically Safe Loop-Powered Feet & Inches Meters

•4-20 mA Input Displayed with ±0.02% of Full-Scale Accuracy

•1.5 Volt Drop (4.7 Volt Drop with Backlight)

•0.7" (17.0 mm) 5 Digits 7-Segment, FT-IN & Fractions Top Display

•0.4" (10.2 mm) 8 Alphanumeric 14-Segment Characters Bottom Display

•Displays Level in Feet & Inches up to 999 Feet, 11 & 15/16 Inches

•Display Input in Two Different Scales Simultaneously - Great for Level

•20-Segment Bargraph Standard

•Display Mountable at 0°, 90°, 180°, & 270°

•CapTouch Through-Glass Button Programming with Normal and Delayed Modes

•Loop-Powered Backlight with Red Backlight for Alarm Conditions

•(2) Open Collector Outputs Standard; Assignable toPulse, Alarm, Timer, or Stopwatch

•(2) Optional Loop-Powered Solid-State Relays; Assignable to Alarm, Control, Timer, or Stopwatch

•Stopwatch & Timer Functions to Drive Relays & Open Collectors

•Optional Isolated 4-20 mA Analog Output

•Relay Pump Alternation Based on Level and Runtime

•Display Relay Runtime & Cycle Count via Relay Info Menu

•Round Horizontal Tank Function; Just Enter Diameter & Length

•32-Point Linearization

•Free PC-Based MeterView XL USB Programming Software

•HART®Protocol Transparent

•Enable and Disable Backlight from Menu

•Operating Temperature Range: -40 to 75°C (-40 to 167°F)

•Installation Temperature Range: -55 to 75°C (-67 to 167°F)

•Conformal Coated PCBs for Dust & Humidity Protection

•Password Protection

•CSA Certified for Explosion-Proof / Dust-Ignition Proof / Flame-Proof

•ATEX and IECEx Certified as Intrinsically Safe

•Flange for Wall or Pipe Mounting; Loop for Stainless Steel Tag; Holes for Tamper-Proof Seal

•Explosion-Proof, IP68, NEMA 4X Die-Cast Aluminum & Stainless Steel Enclosures

•3-Year Warranty

IECEx

MeterView XL

USB Install

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

The Complete PD6900 Series

Plastic Enclosures - General Purpose

PD6907-GP-PL

Feet & Inches Meter

PD6908-GP-PL

Process Meter

PD6928-GP-PL

Flow Rate/Totalizer

Aluminum Enclosures - Explosion-Proof & I.S.

PD6907-HA-AL

Feet & Inches Meter

PD6908-HA-AL

Process Meter

PD6928-HA-AL

Flow Rate/Totalizer

Stainless Steel Enclosures - Explosion-Proof & I.S.

PD6907-HA-SS

Feet & Inches Meter

PD6908-HA-SS

Process Meter

PD6928-HA-SS

Flow Rate/Totalizer

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter 
Instruction Manual 
 
3
 
Table of Contents 
Introduction..........................................................................................................6 
Key Features ........................................................................................................7 
Ordering Information.........................................................................................11 
Accessories ...................................................................................................11 
Specifications.....................................................................................................13 
Display............................................................................................................13 
General...........................................................................................................13 
Enclosure.......................................................................................................14 
Input................................................................................................................14 
Common Open Collector & Relay Specifications.......................................15 
Open Collector Outputs................................................................................15 
Solid-State Relays .........................................................................................15 
4-20 mA Transmitter Output.........................................................................15 
On-Board Digital Input..................................................................................15 
MeterView XL Software.................................................................................16 
Compliance Information....................................................................................17 
Hazardous Area Approvals...........................................................................17 
Electromagnetic Compatibility.....................................................................17 
EU Declaration of Conformity...........................................................................18 
Safety Information .............................................................................................18 
Installation..........................................................................................................18 
Unpacking......................................................................................................18 
Mounting.............................................................................................................19 
Dimensions....................................................................................................19 
Cover Jam Screw...........................................................................................19 
Connections.......................................................................................................20 
Display & Options Modules..........................................................................20 
Connectors Labeling.....................................................................................21 
Wiring Diagrams ................................................................................................23 
Intrinsically Safe Wiring................................................................................23 
I/O Parameter Table....................................................................................23 
Explosion-Proof Wiring.................................................................................23 
Current Loop (4-20 mA) Connections .........................................................23 
Digital Input Connections ............................................................................24 
4-20 mA Output Connections......................................................................24 
Solid-State Relay Connections....................................................................24 
Open Collector Output Connections............................................................24 
Setup and Programming...................................................................................25 
Overview.........................................................................................................25 
CapTouch Buttons ........................................................................................25 
CapTouch Buttons Delay ............................................................................25 
Disabling the CapTouch Buttons.................................................................25 
CapTouch Button Tips & Troubleshooting ..................................................25 
MeterView XL Programming Software.........................................................26 
CapTouch Buttons and Status Indicators...................................................27 
Display Functions & Messages....................................................................28 
Main Menu......................................................................................................31 
Setting Numeric Values...............................................................................32 
Scalingthe4-20mAInput(INPUT)...................................................................33 
Available Unit Classes and Units ................................................................34 
Setting Custom Units (CUSTOM)..................................................................35 
Scaling Example..........................................................................................35 
Setting the Display Features (DISPLAY).....................................................36 
Changing the Engineering Units (UNITS)...................................................36 
Changing the Decimal Point (DEC.PT).........................................................36 
Enabling or Disabling Commas on the Bottom Display (COMMA)................37 
Display Capabilities Optimization (BOTTOM)...............................................37 
Configuring the Display (BOTTOM) ..............................................................37 
Programming the Bargraph (BARGRAPH)....................................................38 

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter 
Instruction Manual 
 
4
Programming the Outputs (OUTPUT)...........................................................38 
Open Collector Outputs 
(
OPEN COLLECTR
)
 .................................................39 
Solid-State Relay Outputs (RELAY) ............................................................44 
Isolated 4-20 mA Output (4-20 mA) ..........................................................50 
Output Manual Control (CONTROL).............................................................50 
Advanced Features Menu (ADVANCE)..........................................................51 
Advanced Process Variable Setup (ADV PV).............................................52 
Low-Height Cutoff (CUTOFF).......................................................................57 
Noise Filter (FILTER) .................................................................................57 
Enabling Password Protection (PASSWRD) .................................................57 
Programmable Function Keys User Menu (USER)......................................58 
Tare (TARE).................................................................................................59 
Changing System Settings (SYSTEM).........................................................60 
Meter Operation .................................................................................................62 
CapTouch Buttons Operation ......................................................................62 
CapTouch Buttons ........................................................................................62 
CapTouch Button Tips & Troubleshooting ..................................................62 
Function Keys Operation..............................................................................63 
Digital Input Operation..................................................................................63 
Maximum/Minimum Readings......................................................................63 
Runtime & Cycle Count (INFO)....................................................................63 
Changing PV2 Engineering Units ................................................................63 
Troubleshooting.................................................................................................64 
Reset Meter to Factory Defaults...................................................................64 
Determining Software Version.....................................................................64 
Factory Default Settings..............................................................................65 
Troubleshooting Tips....................................................................................66 
 

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

Table of Figures

Figure 1. Enclosure Dimensions –Front View....................................................19

Figure 2. Enclosure Dimensions –Side View .....................................................19

Figure 3. Enclosure Dimensions –Top View ......................................................19

Figure 4. Connector Labeling for PD6907-HA-##-LNN.......................................21

Figure 5. Connector Labeling for PD6907-HA-##-L2N........................................21

Figure 6. Connector Labeling for PD6907-HA-##-L3N........................................22

Figure 7. Connector Labeling for PD6907-HA-##-L5N........................................22

Figure 8. 4-20 mA Input Connection without Backlight .....................................23

Figure 9. 4-20 mA Input Connection with Backlight...........................................23

Figure 10. Digital Input Connections ...................................................................24

Figure 11. 4-20 mA Output Connections .............................................................24

Figure 12. Solid-State Relay Connections...........................................................24

Figure 13. Open Collector Output Connections..................................................24

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PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

Disclaimer

The information contained in this document is

subject to change without notice. Precision Digital

Corporation makes no representations or

warranties with respect to the contents hereof;

and specifically disclaims any implied warranties

of merchantability or fitness for a particular

purpose.

•Read complete instructions prior to installation

and operation of the meter.

•This product is not recommended for life support

applications or applications where malfunctioning

could result in personal injury or property loss.

Anyone using this product for such applications

does so at his/her own risk. Precision Digital

Corporation shall not be held liable for damages

resulting from such improper use.

•Failure to follow installation guidelines could

result in death or serious injury. Make sure only

qualified personnel perform the installation.

•For Explosion-Proof / Dust-Ignition Proof / Flame-

Proof applications, never remove the meter cover

in explosive environments when the circuit is live.

•Cover must be fully engaged to meet for

Explosion-Proof / Dust-Ignition Proof / Flame-

Proof requirements.

WARNING

Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Limited Warranty

Precision Digital Corporation warrants this

product against defects in material or

workmanship for the specified period under

“Specifications” from the date of shipment from

the factory. Precision Digital’s liability under this

limited warranty shall not exceed the purchase

value, repair, or replacement of the defective unit.

See Warranty Information and Terms &

Conditions on www.predig.com for complete

details.

Registered Trademarks

All trademarks mentioned in this document are

the property of their respective owners.

Introduction

The PD6907 ProtEX+ loop-powered explosion-proof

& intrinsically safe feet and inches meters can be

installed virtually anywhere to provide convenient and

informative display of any 4-20 mA signal. They can

operate down to -40°C and be installed in areas that

get as cold as -55°C, however the display will cease

functioning. One of the most convenient features of

these instruments is their dual-line display. The top

display is used to display level in feet and inches

while the 8-character alphanumeric bottom display

can be used to display a tag or custom message.

Another common setup is to display the input in feet

and inches on the top display and in another scale on

the bottom display (such as the volume in gallons).

The bottom display line uses 14-segment

alphanumeric characters that provide much clearer

indication of tags, units, or alarm messages than

7-segment characters do.

Further enhancing the display on these instruments is

a 20-segment bargraph that also includes a numeric

value of the percentage the bargraph represents.

These loop-powered meters can be installed virtually

anywhere because they get their power from the

4-20 mA loop and therefore require no separate

power source. And they only drop 1.5 V (4.7 V with

backlight), so they add very little burden to the loop.

Additional features that allow these instruments to be

installed virtually anywhere include a NEMA 4X, IP68

explosion-proof enclosure, an operating temperature

range of -40 to 167°F (-40 to 75°C), conformally

coated PCBs, and a backlit LCD that can be read in

bright sunlight or dimly lit areas.

The ProtEX+ Series is CSA Certified as Explosion-

Proof / Dust-Ignition Proof / Flame-Proof and ATEX

and IECEx Certified as Intrinsically Safe. The

enclosure itself is ATEX, IECEx, CSA, and UL

approved.

Free, PC-based, MeterView XL software that

connects to the meter via a micro USB cable is

available for programming and setup of the meters.

For more details, see the MeterView XL manual. Four

CapTouch through-glass buttons are available to

operate the instrument without removing the cover.

All models come equipped with two open collector

outputs and a digital input. There are also models

available with two solid-state relays and isolated

4-20 mA analog output options. The open collector

outputs are useful for alarm indication. The digital

input can be used to acknowledge the relays, to

start/stop a timer/stopwatch, and more. The relays

can be programmed for alarm indication, on/off

control, or pump alternation.

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

Key Features

2X More Informative Display

The PD6907 display offers a 50% larger display area

and is twice more informative than previous

generations of loop-powered explosion-proof meters.

Featuring an alphanumeric dual-line display and a

20-segment bargraph, reading and understanding

process values is easy and intuitive. The addition of

status indicators provides a quick glance at alarm

conditions, relays, process trends, and more.

Predefined display units give users even more display

flexibility. Plus, the high contrast backlit LCD display

is readable from far away and under various lighting

conditions.

Backlight Turns Red on Alarm

When an alarm occurs, the display can be

programmed to turn red, flash, and display an alarm

indicator . In addition, a unique custom alarm

message for each of the two relays and two open

collectors can be displayed on the bottom display.

These features can be activated even if no relay or

open collector is connected.

CapTouch Through-Glass

Buttons

The PD6907 is equipped with four capacitive sensors

that operate as through-glass buttons so that it can be

operated without removing the cover (and exposing

the electronics) in a hazardous area. CapTouch

buttons are designed to work under any lighting

condition and to protect against false triggering. They

can be disabled for security via a switch on the

display module.

CapTouch buttons have two modes of operation:

Normal and Delayed. Delayed mode prevents

accidental trigger of the buttons. In the Delayed

mode, the buttons enter into a low sensitivity state

(sleep) and they ignore quick button presses after 20

seconds of inactivity. To wake up the buttons, press

and hold any button for more than 2 seconds, the

buttons respond normally.

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

Feet & Inches Display with

Bargraph

Designed for users that prefer to read level in feet and

inches instead of a decimal format, the PD6907 can

display level up to 999FT 11IN & 15/16 on the top

display. The bottom display can toggle between a tag

(Tank 4) and units (Gallons), and if dual-scale mode

is enabled, then the input can be displayed in a

different scale such as volume (17,500).

Predefined and Custom Units

The meter has six available preprogrammed unit

classes when programming PV2: volume, height,

temperature, pressure, weight, and rate. When the

desired unit class or unit of measure within a class is

not available, a custom unit may be programmed.

14-Segment Characters

Notice how much better letters like “T”, “N” and “K”

appear as 14-segment characters on the bottom display

vs. 7-segment characters found on other meters.

Password Protection

A password can be set up for programming security to

prevent unauthorized changes to the programmed

parameter settings.

Enable / Disable Backlight

The backlight may be enabled or disabled using the

System - Backlight menu. The backlight is enabled by

default, but the input must be wired appropriately for

the backlight to function. See Enabling or Disabling

the Backlight (BACKLITE) on page 61 for details.

Multiple Outputs

•Two open collector outputs (standard)

•Two solid-state relays (optional)

•One 4-20 mA output (optional)

The open collector outputs and relays generally

operate in the same manner, with the major exception

being the open collectors are not available for pump

alternation and the relays are not available with pulse

features. The open collectors and relays can be

controlled either automatically or manually.

The isolated analog output signal can be configured

to represent the process variable (PV1, PV2, or

retransmit). It can also be reverse scaled such that

the meter’s high calibration value outputs 4 mA and

the meter’s low calibration outputs 20 mA.

Free MeterView XL

Programming Software

The fastest and easiest way to program the meter is

using the free Meterview XL programming software.

This software greatly simplifies the programming

process and allows the user to save configuration files

for later use.

The meter connects to the PC via a provided micro-

USB cable and is powered by the USB connection, so

no additional power is needed during programming.

Wide Viewing Angle

The window and display module have been optimized

to provide a wide viewing angle of approximately

±40°; nearly twice that of the competition. Plus, the

display module can be rotated in 90° increments

providing added mounting flexibility.

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

Modern and Practical Enclosure

The PD6907 NEMA 4X, IP68 enclosure provides

serious protection from the elements, high impact,

corrosion, and electrical interference. Plus, the

extensive worldwide agency approvals allow it to be

installed virtually anywhere.

Aluminum or Stainless Steel Enclosure

The enclosure is available in copper-free (0.3%),

die-cast aluminum and type 316 stainless steel.

Built-In Flange for Pipe Mounting

The built-in mounting flange allows easy mounting to

walls or pipes.

A slot on the back makes it easy to center the unit on

a pipe. There are two ¾" NPT threaded conduit holes

for wiring.

Grounding Screw

A grounding screw is provided on the top of the

enclosure.

SS Tag Attaching Loop

The enclosure is also equipped with a loop at the top

to easily attach a PDA-SSTAG stainless steel tag.

Tamper-Proof Capability

The instrument can be made tamper-proof by

inserting a wire through the built-in loop on the base

of the enclosure and a hole in the lid of the enclosure

and securing this wire with a lead seal.

PD6907 Ex-Proof & I.S. Loop-Powered Feet & Inches Meter

Instruction Manual

Pump Alternation

The PD6907 can be used as a pump controller to

alternate two pumps and indicate high and low alarm

conditions. The pumps can be programmed to

alternate on level and runtime and the display can be

programmed to turn red and flash a message on

alarm conditions. The meter can display the pump

runtimes and the number of times they have cycled.

See the Pump Control with Alternation & Alarm

Example on page 48 for full details.

Relay #2 turns the main pump on at 30 feet and turns

it off at 10 feet. lights up to show relay 2 is

energized. The indicates level is rising.

With the Pump Alternation feature activated, the next

time the level reaches 30 feet, relay #1 transfers and

starts the backup pump. lights up to show relay 1

is energized.

Easy Wiring & Service

The PD6907 has been designed for easy wiring and

servicing. All connections are made to removable

screw terminal blocks. There are no exposed printed

circuit boards.

Input Signal Conditioning

The Function menu is used to select the input signal

conditioner applied to the input: linear or round

horizontal tank volume calculation. 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

Up to 32 linearization points can be selected for PV1

and PV2 under the linear function. Multi-point

linearization can be used to linearize the input so the

meter can display volume from non-linear tanks or to

convert level to flow using weirs and flumes with

complex equations to convert level to flow using weirs

and flumes with complex equations.

If the dual-scale level feature has been selected, the

menus for PV1 & PV2 are enabled.

Round Horizontal Tank

Linearization

This function automatically calculates the volume in a

round horizontal tank with flat ends and allows that

reading to be displayed on the bottom display. This

results in a meter that displays the height of the tank

in convenient to read feet and inches on the top

display and volume on the lower display. The user

only needs to enter the diameter and length of the

tank and the meter takes care of the rest.

This manual suits for next models

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