PRECISION DIGITAL Loop Leader PD689 Manuel utilisateur

PRECISION DIGITAL CORPORATION

89 October Hill Road • Holliston MA 01746 USA

Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com

PD684 & PD689 LOOP-POWERED

RATE/TOTALIZERS

Instruction Manual

2 V drop (5.7 V with backlight)

5-Digit LCD, 0.6" (15.2 mm) High

3 Digit Automatic Total Overflow

Rate in Second, Minute, Hour, or Day

Open Collector Pulse or Alarm Output

Custom Engineering Units

20-Segment Bargraph Display

Type 4X, NEMA 4X, IP65 Front

Maximum & Minimum Display

Linear, Square Root, or Programmable Exponent

Non-Volatile Memory – No Battery Needed

Loop-

Powered

Backlight

Standard!

PD689 only

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

Disclaimer

The information contained in this document is subject to change

without notice. Precision Digital makes no representations or war-

ranties with respect to the contents hereof, and specifically disclaims

any implied warranties of merchantability or fitness for a particular

purpose.

Registered Trademarks

NORYL®and LEXAN®are registered trademarks of SABIC Innova-

tive Plastics. All other trademarks mentioned in this document are

the property of their respective owners.

Visit our Web Site

http://www.predig.com

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

INTRODUCTION

The PD689 is an intrinsically safe and non-incendive loop-powered

rate/totalizer approved for hazardous area locations. The PD684 is a

general-purpose loop-powered rate/totalizer for safe area applications.

The four front panel buttons make the setup and programming an easy

task. Five digits, bargraph, engineering units, scientific notation, rate &

total indication, and trend arrows provide a clear and attractive presen-

tation of the process.

The square root and programmable exponent functions allow for condi-

tioning of signals from non-linear transmitters without adding external

components to the system and the convenience of scaling without a

calibrated signal source make the PD684 & PD689 the ideal choice for

flow rate & total display applications.

ORDERING INFORMATION

Model Description

PD683-0K0* Loop-Powered Panel Meter for Safe Area

PD684-0K1 Loop-Powered Rate/Totalizer for Safe Area

PD688-0K0* ATEX/FM/CSA Approved Loop-Powered Panel Meter

PD689-0K1 ATEX/FM/CSA Approved Loop-Powered Rate/Totalizer

Enclosures and Accessories

Model Meters Description Mounting

PDA2407 1 Plastic NEMA 4X Enclosure Inside Cover

PDA2410 3 Plastic NEMA 4X Enclosure Inside Cover

PDA2411 2 Plastic NEMA 4X Enclosure Inside Cover

PDA23XX 1-10 Economical Plastic NEMA 4X Enclosure Through Door

PDA25XX 1-10 Plastic NEMA 4X Enclosure Through Door

PDA26XX 1-6 Stainless Steel NEMA 4X Enclosure Through Door

PDA27XX 1-6 Steel NEMA 4 Enclosure Through Door

PDA2801* 1 Low-Cost Plastic NEMA 4X Enclosure Through Cover

PDA2812 2 Low-Cost Plastic NEMA 4X Enclosure Through Cover

Note: XX = the last two digits of the model number.

Go to www.predig.com to find individual part numbers.

* Quick Shipment Program product, typically shipped within 2 working days

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

Table of Contents

INTRODUCTION------------------------------------------------------------ 3

ORDERING INFORMATION--------------------------------------------- 3

SPECIFICATIONS---------------------------------------------------------- 6

General-------------------------------------------------------------------------------6

Input-----------------------------------------------------------------------------------7

Open Collector Output----------------------------------------------------------8

PD689 COMPLIANCE INFORMATION------------------------------- 9

Ratings and Approvals ---------------------------------------------------------9

SAFETY INFORMATION ------------------------------------------------- 9

INSTALLATION------------------------------------------------------------10

Unpacking------------------------------------------------------------------------- 10

Panel Mounting------------------------------------------------------------------ 10

PD684 Connections------------------------------------------------------------ 11

4-20 mA Input Connections ------------------------------------------------ 12

Open Collector Output Connections ------------------------------------- 13

SETUP AND PROGRAMMING ----------------------------------------14

Front Panel Buttons & Status Indicators------------------------------- 15

Main Menu Display Functions & Messages---------------------------- 16

Main Menu ------------------------------------------------------------------------ 18

Setting Numeric Values ------------------------------------------------------ 18

Setting Up the Meter (setup)------------------------------------------------ 19

Setting the Decimal Point (dec.PT) --------------------------------------- 20

Setting the Units Display (units)----------------------------------------- 21

Setting the Time Base (t.base)-------------------------------------------- 22

Setting the Total Conversion Factor (tot.CF) -------------------------- 22

Manual or Automatic Total Reset Function (t rST) ----------------- 23

Display Rate or Total Mode (Dsply) ------------------------------------- 24

Programming the Meter (prog) ------------------------------------------- 25

Scaling the Meter (sCalE) -------------------------------------------------- 26

Calibrating the Meter (Cal)------------------------------------------------- 27

Recalibrating the Internal Calibration Reference (ICal)------------ 27

Setting Up the Bargraph (GrapH) ----------------------------------------- 28

Setting Up the Password (pass) ------------------------------------------- 29

Locking the Meter ------------------------------------------------------------ 29

Unlocking the Meter---------------------------------------------------------- 30

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

Advanced Features Menu---------------------------------------------------- 31

Advanced Features Menu & Display Messages ---------------------- 32

Noise Filter (fltEr) ---------------------------------------------------------- 33

Noise Filter Bypass (bypAs) ----------------------------------------------- 33

Contrast (contr) -------------------------------------------------------------- 33

Alarm & Pulse Output (out)------------------------------------------------ 34

Math Functions (lnear, Squar, Prog.E, Cutof)----------------------- 36

Internal Calibration (ICal)-------------------------------------------------- 37

Information Menu (info)---------------------------------------------------- 38

OPERATION----------------------------------------------------------------38

Front Panel Buttons Operation -------------------------------------------- 38

Rate or Total Display Readings-------------------------------------------- 39

Maximum & Minimum Readings (Max& MiN)--------------------------- 40

MOUNTING DIMENSIONS----------------------------------------------41

Reset Meter to Factory Defaults------------------------------------------- 42

Factory Defaults & User Settings----------------------------------------- 43

TROUBLESHOOTING----------------------------------------------------44

Troubleshooting Tips --------------------------------------------------------- 44

QUICK USER INTERFACE REFERENCE GUIDE----------------45

Table of Figures

Figure 1. Panel Cutout and Mounting...............................................10

Figure 2. PD684 & PD689 Rear View.................................................11

Figure 3. PD684 Input Connections with Backlight.........................12

Figure 4. PD684 Input Connections without Backlight ...................12

Figure 5. PD684 Connection to Device with Internal Pull-Up .........13

Figure 6. PD684 Connection to External Relay................................13

Figure 7. Meter Dimensions – Side View..........................................41

Figure 8. Case Dimensions – Top View............................................41

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

SPECIFICATIONS

Except where noted all specifications apply to operation at +25°C.

General

DISPLAY Five digits

(-99999 to 99999)

0.60" (15.2 mm) high, 7-segment,

automatic lead zero blanking.

Four characters

(Engineering Units)

0.25" (6.4 mm) high, 14 segment.

Bargraph 20-segment, 0% to 100% indication.

Trend arrows Up and down trend indication.

Backlight Orange (intensity varies with signal)

DISPLAY

UPDATE RATE 2.5/second

OVERRANGE Display flashes 99999

UNDERRANGE Display flashes -99999

PROGRAMMING

METHOD Four front panel buttons

NOISE FILTER Programmable from 1 to 199

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: -20 to 65°C (-40°C allowed)*

Storage temperature range: -40 to 65°C

Relative humidity: 0 to 90% non-condensing

*Below -20°C, the LCD becomes less readable.

CONNECTIONS Removable screw terminals accept 12 to 22 AWG wire

ENCLOSURE &

MATERIALS 1/8 DIN, high impact plastic, UL 94V-0, color: gray

NORYL® Polyphenylene Ether & Polystyrene blend (PPE

PS) Resin

LEXAN® Polycarbonate (PC) Film

MOUNTING 1/8 DIN panel cutout required. Two panel mounting brack-

et assemblies provided

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

TIGHTENING

TORQUE Screw terminal connectors: 4.5 lb-in (0.5 Nm)

Mounting screws: 8.0 lb-in max. (0.9 Nm)

OVERALL

DIMENSIONS 4.68" x 2.45" x 3.79" (119 mm x 62 mm x 96 mm)

(W x H x D)

WEIGHT 5.7 oz (162 g)

WARRANTY 3 years parts and labor

EXTENDED

WARRANTY 1 or 2 years, refer to Price List for details

Input

ACCURACY ±0.03% of span ±1 count,

square root and programmable exponent: 10-100% FS

FUNCTION Linear, square root, or programmable exponent

LOW-FLOW

CUTOFF -99999 to 99999 (-99999 disables cutoff function)

TEMPERATURE

DRIFT 50 PPM/C from -40 to 65C ambient

DECIMAL POINT Up to four decimal places:

d.dddd, dd.ddd, ddd.dd,dddd.d,or ddddd

TOTAL DISPLAY

OVERFLOW Total up to 99,999,999 with total overflow feature. “oF” is

displayed to the left of total overflow value (e.g. oF999).

TOTALIZER Calculates total based on rate, time base of second, mi-

nute, hour, or day, and field programmable multiplier; stored

in non-volatile memory upon power loss.

TOTALIZER

RESET User selectable via panel button, time delay, or protected

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 0.40 mA

VOLTAGE DROP Without Backlight With Backlight

2.0 V maximum 5.7 V maximum

EQUIVALENT

RESISTANCE 100 Ω@ 20 mA 285 Ω@ 20 mA

INPUT

OVERLOAD Over current protection to 2 A max.

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

Open Collector Output

RATING Isolated open collector, 30 VDC @ 175 mA max.

ALARM OUTPUT Assign to rate for high or low alarm trip point.

Assign to total for total alarm trip point.

DEADBAND 0-100% FS, user selectable

ACKNOWLEDGE Front panel ACK button resets output and screen indication.

PULSE OUTPUT

K-FACTOR K-factor programmable from 0.0001 to 99999. One pulse is

generated for every total increment selected (e.g. K-factor

value of 100 will generate one pulse every time the total is

incremented by 100 units).

If the pulse output exceeds the programmed output fre-

quency, pulses are accumulated as pending and are not

lost. Pulses will continue to output until the buffer is emptied

or the total is reset from the front panel.

PULSE OUTPUT

FREQUENCY Programmable frequency: 2, 4, 8, 16, 32, 64, 128 Hz.

Minimum pulse width: 3.9 ms @ 128 Hz

Maximum pulse width: 250 ms @ 2 Hz

Factory default pulse width: 31 ms @ 16 Hz

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

PD689 COMPLIANCE INFORMATION

Ratings and Approvals

FM & CSA Certified as intrinsically safe with entity for use in:

Class I, Div 1, 2, Groups ABCD

Class II, Div 1, Groups EFG

Class II, Div 2, Groups FG

Class III, Div 1, 2

Class 1, Zone 0, Group IIC

Non-incendive: Suitable for use in Class I, Div 2, Groups ABCD;

Class II, Div 2, Groups FG; Class III, Div 2.

Entity Parameters: Ui: 30 V; Ii: 175 mA; Ci: 0; Li: 0; Pi: 1.0 W

ATEX II 1G

Ex ia IIC T4

IP65

Ta = -40°C to 65°C

CE EMC Emissions and Immunity:

EN 61326:2006 EMC requirements for Electrical equipment for

measurement and laboratory use – Industrial

IEC 61010-1:2010 & EN 61010-1:2010, including Group and

National Differences as they apply for AU, CA, US and KR

Special Conditions for Safe Use:

The permitted ambient temperature range for the PD689 is -40°C to 65°C.

Year of Construction

This information is contained within the serial number with the first four

digits representing the year and month in the YYMM format.

For FM/CSA applications: The PD689 installation must be performed

in accordance with Control Drawing LIM688-2

For European Community: The PD689 must be installed in accord-

ance with the ATEX directive 94/9/EC, the product certificate

FM08ATEX0058X, and LIM688-2

SAFETY INFORMATION

Installation and service should be

performed only by trained

service personnel. Service requiring

replacement of internal components

must be performed at the factory.

CAUTION: Read complete

instructions prior to installation

and operation of the meter.

PD684 & PD689 Loop-Powered Rate/Totalizers Instruction Manual

INSTALLATION

There is no need to remove the meter from its case to com-

plete the installation, wiring, and setup of the meter.

Unpacking

Remove the meter from box. Inspect the packaging and con-

tents for damage. Report damages, if any, to the carrier.

If any part is missing or the meter malfunctions, please contact

your supplier or the factory for assistance.

Panel Mounting

Prepare a standard 1/8 DIN panel cutout – 3.622" x 1.772" (92 mm

x 45 mm). Refer to Mounting Dimensions, page 41 for more details.

Clearance: allow at least 4" (102 mm) behind the panel for wiring.

Panel thickness: 0.04" - 0.25" (1.0 mm - 6.4 mm).

Minimum steel/stainless steel panel thickness to maintain watertight

rating: 0.06" (1.5 mm).

Note: A steel or stainless steel panel rather than plastic is

recommended in cases where a watertight or dust-tight seal is

required between the meter and the panel.

Remove the two mounting brackets provided with the meter (back-off

the two screws so that there is ¼" (6.4 mm) or less through the

bracket. Slide the bracket toward the front of the case and remove).

Insert meter into the panel cutout.

Install mounting brackets and tighten the screws against the panel.

To achieve a proper seal, tighten the mounting bracket screws

evenly until meter is snug to the panel along its short side. DO NOT

OVER TIGHTEN, as the rear of the panel may be damaged.

Panel

Gasket

Mounting

Bracket

Mounting

Screw

Removable

Connector

3.622" (92mm)

1.772"

(45mm) Panel Cutout

to DIN 43700

Square Corners to 0.060"

(1.5mm) Max Radius

Tolerances:

A: +0.032 (+0.8mm)

-0.000 (-0.0mm)

B: +0.024 (+0.6mm)

-0.000 (-0.0mm)

Figure 1. Panel Cutout and Mounting

See page 41 for Mount-

ing Dimensions

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