PRECISION DIGITAL PD650-N Bedienungsanleitung

PRECISION DIGITAL CORPORATION

19 Strathmore Road • Natick MA 01760 USA

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

DIGITAL METERS

Large Display Process Meter With

Rate/Totalizer/Batch Control Features

Model PD650 Instruction Manual

• Easy Single Button Scaling (SBS)

• 4-20 mA, 1-5 V, 0-5 V, or 0-10 V Field Selectable Inputs

• Large 2.3" (57.3 mm) High LEDs

• Full Six Digit Display for Total, 4½ Digit + Extra Zero for Process/Rate

• Total Displayed in any Engineering Unit

• Display in Engineering Units; Rate per Second, Minute, Hour, or Day

• Scale Without a Calibrator

• 11-Point Calibration for Non-Linear Inputs

• Automatic Square Root and Programmable Exponent

• Low-Flow Cutoff

• NEMA 4X Die-Cast Aluminum Enclosure

• Two 24 VDC Isolated Power Supplies

• 115 or 230 VAC Power, Field Selectable; 24 VDC Optional

• Quick Preset Change Feature for Batch Control

• Pump Alternation Control Feature

• 2 or 4 Relays + 4-20 mA Output Options

Model PD650 Large Display Process Meter Instruction Manual

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Model PD650 Large Display Process Meter Instruction Manual

Table of Contents

INTRODUCTION-----------------------------------------------------------------------7

Features -----------------------------------------------------------------------------------------7

Typical Applications-------------------------------------------------------------------------8

Ordering Information------------------------------------------------------------------------8

Safety Notice-----------------------------------------------------------------------------------9

Specifications-------------------------------------------------------------------------------- 10

Basic Process Meter--------------------------------------------------------------------- 10

Rate/Totalizer/Batch Controller Features------------------------------------------- 11

Options-------------------------------------------------------------------------------------- 12

Display Functions and Messages----------------------------------------------------- 15

SETUP AND PROGRAMMING -------------------------------------------------- 17

Overview--------------------------------------------------------------------------------------- 17

Disassembling the Meter----------------------------------------------------------------- 18

Reassembling the Meter ----------------------------------------------------------------- 18

Jumper Configuration--------------------------------------------------------------------- 19

Overview------------------------------------------------------------------------------------ 19

Jumper Arrays Function and Location ---------------------------------------------- 19

Power Selection----------------------------------------------------------------------------- 20

Overview------------------------------------------------------------------------------------ 20

Changing from 115 to 230 VAC Power ---------------------------------------------20

Labeling Meter for 115 VAC, 230 VAC, or 24 VDC------------------------------ 20

Connections---------------------------------------------------------------------------------- 21

Overview------------------------------------------------------------------------------------ 21

Wiring Instructions------------------------------------------------------------------------ 22

Terminals Designation-------------------------------------------------------------------- 22

Power Connections ---------------------------------------------------------------------- 23

Signal Connections ---------------------------------------------------------------------- 24

Enter, Acknowledgement, and Reset Total Connections----------------------- 26

Optional Relays & 4-20 mA Output Terminals ------------------------------------26

Isolated 4-20 mA Output Option Connections------------------------------------- 27

Programming -------------------------------------------------------------------------------- 28

Overview------------------------------------------------------------------------------------ 28

General Programming Description--------------------------------------------------- 28

ENTER and ACK Functionality---------------------------------------------------- 28

Five Basic Digit/Display Setting Instructions----------------------------------- 30

Basic Meter Programming-------------------------------------------------------------- 32

Overview -------------------------------------------------------------------------------- 32

Select Input Signal-------------------------------------------------------------------- 32

Select Calibration Method ---------------------------------------------------------- 33

Initial Calibration With External Source (if Needed)-------------------------- 33

Scale or Calibrate the Meter ------------------------------------------------------- 34

Scale Using Internal Calibration (I-CAL)------------------------------------ 34

Minimum Input Span (Error Message) ------------------------------------- 35

Calibrate Using External Calibration (E-CAL)------------------------------- 38

Round Horizontal Tank Calibration Points---------------------------------- 40

Calibration Error (error) -------------------------------------------------------- 40

Rate Meter Programming--------------------------------------------------------------- 41

Model PD650 Large Display Process Meter Instruction Manual

Overview -------------------------------------------------------------------------------- 41

Set Display to Rate (dSPy r) ------------------------------------------------------ 41

Low-Flow Cutoff Programming (Cutoff) --------------------------------------- 42

Totalizer Programming------------------------------------------------------------------ 43

Overview -------------------------------------------------------------------------------- 43

Set Display for Total (dSPy t)----------------------------------------------------- 43

Set Rate Time Base (t baSE) ----------------------------------------------------- 44

Set Totalizer Conversion Factor (tot CF)-------------------------------------- 44

Set Totalizer Decimal Point (tot dp)-------------------------------------------- 45

Set Alternating Total/Rate Display------------------------------------------------ 46

Parameter Combinations Resulting in Error Message (error1 )--------- 46

Set Point Setup and Programming--------------------------------------------------- 47

Overview -------------------------------------------------------------------------------- 47

Set Relays for Manual or Automatic Reset------------------------------------- 48

Set Relays for Fail-Safe Operation----------------------------------------------- 48

Assigning Set Points to Process/Rate or Total (setup)--------------------- 49

Rate or Total, Latching or Non-Latching Relays--------------------------- 50

Programming Internal Total Reset and Delay (DELAy)------------------- 52

Setting Relays for Pump Alternation (ALtERn)------------------------------------ 53

Programming Alarm Points and Presets (SEtPtS) --------------------------- 54

Overview----------------------------------------------------------------------------- 54

Set and Reset Points for Process/Rate Alarms---------------------------- 54

Preset Values for Total Set Points-------------------------------------------- 54

Preset Offset Values for Total Set Points (OFFSET)----------------------- 54

Programming Alarm and Preset Values (SEtPtS) ------------------------ 55

4-20 mA Isolated Output Option Programming (output)----------------------- 59

4-20 mA Output Programming Confirmation ------------------------------- 59

Lockout and Display Selection Programming ------------------------------------- 60

Overview -------------------------------------------------------------------------------- 60

Lockout ---------------------------------------------------------------------------------- 60

Display Selection (dSPLAy)--------------------------------------------------------- 61

Alternating Display ---------------------------------------------------------------- 62

Include or Exclude Menu Titles From Menu Scroll------------------------ 63

OPERATION-------------------------------------------------------------------------- 64

Overview--------------------------------------------------------------------------------------- 64

Two Types of Display: Process/Rate and Total ---------------------------------- 65

Basic Meter Operation -------------------------------------------------------------------- 66

Overview------------------------------------------------------------------------------------ 66

ENTER and ACK Button Operation-------------------------------------------------- 66

Display Peak & Reset Peak Operation (dSPY P & rSEt P) ------------------- 67

Rate Meter Operation---------------------------------------------------------------------- 68

Overview -------------------------------------------------------------------------------- 68

Display Rate (dSPy r)--------------------------------------------------------------- 68

Low-Flow Cutoff (CutoFF) ---------------------------------------------------------- 68

Totalizer Operation------------------------------------------------------------------------- 69

Overview------------------------------------------------------------------------------------ 69

Display Total (dSPy t)--------------------------------------------------------------- 69

Total Conversion Factor (tot CF) & Time Base (t bASE) ----------------- 69

Applications Using Total Conversion Factor and Time Base -------------- 70

Totalizer Reset------------------------------------------------------------------------- 71

Resetting Total Using the ENTER Button----------------------------------- 71

Resetting Total via External Contact Closure------------------------------ 71

Model PD650 Large Display Process Meter Instruction Manual

Resetting Total Automatically via User Selectable Preset-------------- 71

Relays Operation --------------------------------------------------------------------------- 72

Overview------------------------------------------------------------------------------------ 72

Relays Auto Initialization---------------------------------------------------------------- 72

Fail-Safe Operation ---------------------------------------------------------------------- 72

Front Panel LEDs------------------------------------------------------------------------- 73

Acknowledging Relays ------------------------------------------------------------------ 75

Simple On/Off Control with 100% Deadband Operation------------------------ 76

Manual Batch Control Operation ----------------------------------------------------- 78

Automatic Batch Control Operation-------------------------------------------------- 79

Delay on Release (delay) ------------------------------------------------------ 80

Priority Batch Programming or Quick Presets-------------------------------------80

Batch Control with Varying Batch Sizes -------------------------------------------- 80

Pump Alternation Control--------------------------------------------------------------- 81

Pump Alternation Typical Application-------------------------------------------- 81

Switching Inductive Loads-------------------------------------------------------------- 82

AC and DC Loads--------------------------------------------------------------------- 82

Low Voltage DC Loads-------------------------------------------------------------- 82

4-20 mA Output Operation--------------------------------------------------------------- 83

Overview------------------------------------------------------------------------------------ 83

Lockout and Display Selection Operation ----------------------------------------- 83

Overview------------------------------------------------------------------------------------ 83

Low Voltage Detector --------------------------------------------------------------------- 83

INSTALLATION---------------------------------------------------------------------- 84

Wall Mounting Dimensions-------------------------------------------------------------- 84

Panel Mounting Instructions------------------------------------------------------------ 85

OPTION CARD REMOVAL & INSTALLATION------------------------------ 87

PROGRAMMED PARAMETER SETTINGS ---------------------------------- 89

Diagnostic Feature (dIA9)--------------------------------------------------------------- 93

Overview------------------------------------------------------------------------------------ 93

Operation ----------------------------------------------------------------------------------- 93

OTHER PRECISION DIGITAL PRODUCTS---------------------------------- 94

Model PD650 Large Display Process Meter Instruction Manual

List of Figures

Figure 1. Removing the Display Board....................................................... 18

Figure 2. Input Power Label ........................................................................ 20

Figure 3. Connections and Jumper Diagram............................................. 21

Figure 4. Options Board Connectors and J5 Jumper ............................... 22

Figure 5. Input Power Connections............................................................ 23

Figure 6. Two-Wire Transmitter Powered by Meter................................... 24

Figure 7. Two-Wire Transmitter Powered by External Supply..................24

Figure 8. Three-Wire Transducer Powered by Meter................................. 25

Figure 9. Direct Voltage Signal Connections............................................. 25

Figure 10. External Control Connections..................................................... 26

Figure 11. Relay and 4-20 mA Output Terminals......................................... 26

Figure 12. Both Input and Output Loops Powered by Meter...................... 27

Figure 13. Input Loop Powered by Meter, Output Loop Powered from

External Supply ............................................................................ 27

Figure 14. Jumper Arrays and Status LED Identification ........................... 29

Figure 15. Two-Point Calibration Flowchart ................................................ 31

Figure 16. JP1 Input Signal Selection Array. ............................................... 32

Figure 17. Display Showing Location of Set Point LEDs............................ 55

Figure 18. Display Showing Location of Set, Reset and Rate LEDs.......... 55

Figure 19. Programming Status of Set Point LEDs Assigned to Total......56

Figure 20. Functions Locked Out with the Lockout Jumper ...................... 60

Figure 21. Menu Titles Excluded with Display Menu................................... 61

Figure 22. Front Panel LEDs ......................................................................... 64

Figure 23. Meter Displaying Process/Rate................................................... 65

Figure 24. Meter Displaying Total................................................................. 65

Figure 25. Front Panel LED Indicator Locations.......................................... 73

Figure 26. AC and DC Loads Protection ...................................................... 82

Figure 27. Low Voltage DC Loads Protection.............................................. 82

Figure 28. Overall Dimensions...................................................................... 84

Figure 29. Wall Mounting Dimensions.......................................................... 84

Figure 30. Panel Mounting Instructions.......................................................85

Figure 31. Panel Mounting Cutout................................................................ 85

Figure 32. Removing the Display Board....................................................... 87

Figure 33. Options Board Installation........................................................... 87

Figure 34. Options Board Installed............................................................... 88

Model PD650 Large Display Process Meter Instruction Manual

INTRODUCTION

This instrument is an analog input process meter with flow rate, totalizer, and

batch control capabilities housed in a rugged, die-cast aluminum NEMA 4X

enclosure. It accepts the common process signals such as 4-20 mA, 0-5 VDC,

1-5 VDC, and 0-10 VDC. It displays these signals in engineering units on a 2.3"

high 4½ digit LED display. The meter also provides two isolated 24 VDC power

supplies to drive both the input and output loops. Options include up to 4 relays

for alarms or batch controlling as well as an isolated 4-20 mA transmitter output.

Features

This model contains several features of interest:

• Two 24 VDC Isolated Transmitter Power Supplies

• 115 or 230 VAC Field Selectable Power

• Rate Display in Units per Day, in Addition to Second, Minute, and Hour

• Programmable Set points for Latching and Non-Latching Relay Operation

• Built-in Snubbers on Each Relay Contact

• Any Set Point Programmable for Process/Rate or Total

• Quit or Exit Menu Scroll with ACK Button

• Pump Alternation Control Feature for Rate Relays

• Automatic Square Root Extraction for Differential Pressure Transmitters

• Programmable Exponent for Weirs and Flumes

Model PD650 Large Display Process Meter Instruction Manual

Typical Applications

Level:

Sump Pump Control

Water Tank Level

Round Horizontal Tank Volume Measurement

Well Draw-Down

Lift Station Control

Flow:

Square Root Extraction from Differential Pressure Transmitter

Programmable Exponent for Weirs and Flumes

Rate, Total, and Batch Control

Pressure:

Compound Pressure

High Pressure Alarms

Temperature:

Heat Exchanger Display and Alarm

Boiler Temperature Monitoring

Gas Turbine Combustor Alarm

Condenser Temperature Indicator

Ordering Information

115/230 VAC

Model 24 VDC

Model Options Installed Option

Cards*

PD650-N PD650-2-N No Options

PD650-34 PD650-2-34 2 Relays PD374

PD650-35 PD650-2-35 4-20 mA Output PD375

PD650-36 PD650-2-36 2 Relays + 4-20 mA Output PD376

PD650-37 PD650-2-37 4 Relays PD377

PD650-38 PD650-2-38 4 Relays + 4-20 mA Output PD378

*Option Cards (When Ordered Separately)

Accessories

PDA6504 Panel Mounting Kit**

** The PDA6504 panel mounting kit is not intended to provide waterproof

protection to the panel.

Model PD650 Large Display Process Meter Instruction Manual

Safety Notice

CAUTION: Read complete

instructions prior to installation and

operation of the unit.

WARNING: Risk of electric shock.

Observe all safety regulations. Electrical wiring should be performed in

accordance with all applicable national, state, and local codes to

prevent damage to the unit and ensure personnel safety.

Do not use this use this unit to directly drive heavy equipment such as

pumps, motors, valves, etc.

It is recommended to use this meter in a fail-safe system that

accommodates the possibility of meter failure or power failure.

WARNING

Hazardous voltages exist within enclosure. Installation and service should

be performed only by trained service personnel.

AVERTISSEMENT

Les pièces à l'intérieur du boîtier portent des tensions dangereuses. Seules

des personnes qualifiées et bien entrainées devraient entreprondre

l'ótalonnage et la maintenance.

Disclaimer

The information contained in this document is subject to change without notice.

Precision Digital 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.

Model PD650 Large Display Process Meter Instruction Manual

Specifications

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

Basic Process Meter

INPUTS Field selectable:

4-20 mA, 0-20 mA, 0-5 V, 1-5 V, 0-10 V

DISPLAY Six digit, 2.3" (57.3 mm) high efficiency red LED.

Rate: -19999(0) to 29,999(0) with selectable extra zero

Total: 0 to 999,999; automatic lead zero blanking

DECIMAL POINT Process/rate display: Decimal point may be placed in any of the

following positions. 2.9999, 29.999, 299.99, 2999.9, or 299990.

Total decimal point: 9.99999, 99.9999, 999.999, 9999.99, or

99999.9. Rate and total decimal points are independent of each

other.

CALIBRATION

RANGE 4 mA (1 V) input may be set anywhere in range of the meter.

20 mA (5 V) may be set anywhere in range of the meter above

or below 4 mA input. An Error message will appear if input 1

signal and input 2 signal are too close together.

Input Range Minimum Difference Between

Input 1 & Input 2

0-5 V 0.16 V

0-10 V 0.32 V

4-20 mA 1.60 mA

INPUT IMPEDANCE Voltage ranges: greater than 300 KΩ

Current ranges: 100 Ω

LOOP POWER Two isolated power supplies, 24 VDC ± 5% @ 20 mA each,

regulated. Maximum loop resistance is 1200 Ω.

ACCURACY Linear input: ±0.05% of calibrated span ±1 count

Root extraction: ±0.1% FS ± 2 counts

ROOT EXTRACTION Square root extraction: Automatic

Programmable exponent: Greater than 1.0000 and smaller than

3.0000

11-POINT Input Range Minimum Span Between Inputs

LINEARIZATION 4-20 mA (1.6 mA ÷ (Number of points -1))

0-5 V (0.16 V ÷ (Number of points -1))

0-10 V (0.32 V ÷ (Number of points -1))

e.g. Minimum span for an 11-point, 4-20 mA calibration is

0.16 mA between inputs.

TIME BASE Second, minute, hour, or day

ALARM POINTS Four, any combination of high or low alarms

ALARM POINT

DEADBAND 0-100% of full scale, user selectable

ALARM STATUS

INDICATION Front panel LED

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