PRECISION DIGITAL PD765-6R0-00 Manual de usuario

PRECISION DIGITAL CORPORATION

89 October Hill Road • Holliston MA 01746 USA

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

www.predig.com

TRIDENT & TRIDENT X2

MODEL PD765

Instruction Manual

Accepts Current, Voltage, TC, & RTD Inputs

4 Digit Display, 0.56" (14 mm) or 1.20" (31 mm)

Linear or Square Root with Low-Flow Cutoff

Maximum/Minimum Display

Type 4X, NEMA 4X, IP65 Front

Universal Power Supply 85-265 VAC

12-36 VDC/12-24 VAC Power Option

Two Relays and 4-20 mA Output Option

24 VDC Transmitter Power Supply Options

USB, RS-232, & RS-485

Serial Communication Adapters Options

Free Modbus®RTU Protocol

Copy Meter Settings to Other Meters

Free MeterView®Software - Configuration & Data Acquisition

Trident Model PD765 Universal Input Meter 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

MeterView®is a registered trademark of Precision Digital Corporation,

Modbus®is a registered trademark of Schneider Automation Inc. All

other trademarks mentioned in this document are the property of their

respective owners.

INTRODUCTION

The Trident is a multipurpose, easy to use digital meter. It accepts

current, voltage, thermocouple, and RTD signals. The four front panel

buttons make the setup and programming an easy task.

The isolated 24 VDC transmitter power (optional) can be used to power

the input transmitter, the 4-20 mA output, or other devices.

The two relays (optional) can be used for alarm indication or process

control applications, such as pump alternation control.

Two relays and a 4-20 mA output are available together in the same

meter.

The 4-20 mA isolated output and the Modbus RTU serial communication

options make the Trident an excellent addition to any system.

Visit our Web Site

http://www.predig.com

For an Interactive VirtualMeter Demo!

Trident Model PD765 Universal Input Meter Instruction Manual

ORDERING INFORMATION

Trident

85-265 VAC

Model

12-36 VDC

Model Options Installed

PD765-6R0-00 PD765-7R0-00 No options

PD765-6R0-10 24 V transmitter supply

PD765-6R2-00 PD765-7R2-00 2 relays

PD765-6R2-10 2 relays & 24 V transmitter supply

PD765-6R3-00 PD765-7R3-00 4-20 mA output

PD765-6R3-10 4-20 mA output & 24 V supply

PD765-6R3-20 4-20 mA output & dual 24 V supplies

PD765-7R5-00 2 relays & 4-20 mA output

PD765-6R5-10 2 relays, 4-20 mA output, & 24 V supply

Trident X2

85-265 VAC

Model

12-36 VDC

Model Options Installed

PD765-6X0-00 PD765-7X0-00 No options

PD765-6X0-10 24 V transmitter supply

PD765-6X2-00 PD765-7X2-00 2 relays

PD765-6X2-10 2 relays & 24 V transmitter supply

PD765-6X3-00 PD765-7X3-00 4-20 mA output

PD765-6X3-10 4-20 mA output & 24 V supply

PD765-6X3-20 4-20 mA output & dual 24 V supplies

PD765-7X5-00 2 relays & 4-20 mA output

PD765-6X5-10 2 relays, 4-20 mA output, & 24 V supply

Accessories

Model Description

PDA7232 RS-232 serial adapter with PDA7420 included

PDA7420 Trident meter copy cable, 7' (2.1 m)

PDA7422 RS-422/485 serial adapter with PDA7420 included

PDA7485-I RS-232 to RS-485 isolated converter

PDA7485-N RS-232 to RS-485 non-isolated converter

PDA8485-I USB to RS-422/485 isolated converter

PDA8485-N USB to RS-422/485 non-isolated converter

PDA8006 USB Serial Adapter

MeterView®Free MeterView®software download at www.predig.com

Enclosures NEMA 4 & explosion-proof enclosures – See Web site.

Trident Model PD765 Universal Input Meter Instruction Manual

Table of Contents

INTRODUCTION ------------------------------------------------------------ 2

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

SPECIFICATIONS---------------------------------------------------------- 7

General-------------------------------------------------------------------------------7

Process Input ----------------------------------------------------------------------8

Temperature Inputs -------------------------------------------------------------- 9

Relays Option-------------------------------------------------------------------- 10

Isolated 4-20 mA Transmitter Output ------------------------------------ 11

Serial Communications------------------------------------------------------- 11

COMPLIANCE INFORMATION ----------------------------------------12

Safety ------------------------------------------------------------------------------- 12

Electromagnetic Compatibility--------------------------------------------- 12

SAFETY INFORMATION ------------------------------------------------13

INSTALLATION ------------------------------------------------------------14

Unpacking------------------------------------------------------------------------- 14

Panel Mounting------------------------------------------------------------------ 14

Connections---------------------------------------------------------------------- 15

Connector Labeling ---------------------------------------------------------- 15

Power Connections ---------------------------------------------------------- 15

Signal Connections ---------------------------------------------------------- 16

Serial Communication ------------------------------------------------------- 19

Relays and 24 V Output Connections ----------------------------------- 19

Switching Inductive Loads-------------------------------------------------- 20

4-20 mA Output & Input Signal Connections -------------------------- 21

SETUP AND PROGRAMMING ----------------------------------------22

Front Panel Buttons and Status LED Indicators --------------------- 23

Display Functions and Messages----------------------------------------- 24

Main Menu ------------------------------------------------------------------------ 27

Setting Numeric Values ------------------------------------------------------ 28

Setting Up the Meter (setu) ------------------------------------------------- 29

Setting the Input Signal (inpt) -------------------------------------------- 30

Setting the Decimal Point (dc.pt) ----------------------------------------- 31

Setting the Temperature Scale (F C) ---------------------------------- 31

Setting the Relay Operation (rely) -------------------------------------- 32

Trident Model PD765 Universal Input Meter Instruction Manual

Relay and Alarm Operation ------------------------------------------------ 35

Pump Alternation Control Operation------------------------------------- 40

Scaling the 4-20 mA Analog Output (Aout) ---------------------------- 41

Program the Sensor Break Output Value (SEbr) --------------------- 42

Analog Output when Display is Out of Range------------------------- 42

Programming the Meter (prog)--------------------------------------------- 43

Scaling the Meter (scal)---------------------------------------------------- 44

Calibrating the Meter (Cal)------------------------------------------------- 46

Recalibrating Temperature Inputs (Cal) -------------------------------- 46

Recalibrating Process Inputs (ICal)------------------------------------- 47

Setting Up the Password (pass) ------------------------------------------- 48

Locking the Meter ------------------------------------------------------------ 48

Unlocking the Meter---------------------------------------------------------- 48

Advanced Features Menu---------------------------------------------------- 50

Advanced Features Menu & Display Messages ---------------------- 51

Offset Adjustment (Adj)----------------------------------------------------- 53

Noise Filter (fltr)------------------------------------------------------------ 53

Noise Filter Bypass (byps) ------------------------------------------------- 54

Serial Communications (serl) -------------------------------------------- 54

Protocol Selection Menu (Prot) ------------------------------------------ 54

Select Menu (SElc) ---------------------------------------------------------- 55

Linear or Square Root Function (linr or Sqrt) ---------------------- 55

Low-Flow Cutoff (cutF) ----------------------------------------------------- 56

Display Intensity (inty) ----------------------------------------------------- 56

Meter Copy Function (Copy) ----------------------------------------------- 57

Internal Calibration (ICal)-------------------------------------------------- 59

OPERATION ----------------------------------------------------------------62

Front Panel Buttons Operation -------------------------------------------- 62

Maximum/Minimum Readings---------------------------------------------- 63

MOUNTING DIMENSIONS ----------------------------------------------64

TROUBLESHOOTING----------------------------------------------------65

Diagnostics Menu (diag)----------------------------------------------------- 65

Determining Software Version -------------------------------------------- 65

Reset Meter to Factory Defaults ------------------------------------------- 66

Factory Defaults & User Settings----------------------------------------- 67

Troubleshooting Tips --------------------------------------------------------- 69

QUICK USER INTERFACE REFERENCE GUIDE----------------70

Trident Model PD765 Universal Input Meter Instruction Manual

Table of Figures

Figure 1. Panel Cutout and Mounting............................................... 14

Figure 2. Connector Labeling for Two Relays & 24 V Supply.........15

Figure 3. Power Connections ............................................................15

Figure 4. Transmitter Powered by Ext. Supply or Self-Powered ....16

Figure 5. Transmitters Powered by Internal Supply (Optional) ......16

Figure 6. Voltage Input Connections ................................................17

Figure 7. Thermocouple Input Connections .................................... 17

Figure 8. Three-Wire RTD Input Connections ..................................18

Figure 9. Two-Wire RTD Input Connections..................................... 18

Figure 10. Four-Wire RTD Input Connections..................................19

Figure 11. Relay & 24 V Output Connections................................... 19

Figure 12. AC and DC Loads Protection........................................... 20

Figure 13. Low Voltage DC Loads Protection ..................................20

Figure 14. 4-20 mA Output & Input Signal Powered by Meter ........ 21

Figure 15. 4-20 mA Output Powered Externally............................... 21

Figure 16. Meter Copy Connection ...................................................57

Figure 17. Meter Dimensions – Side View ........................................64

Figure 18. Case Dimensions - Top View........................................... 64

Trident Model PD765 Universal Input Meter Instruction Manual

SPECIFICATIONS

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

General

DISPLAY Trident: 0.56" (14 mm), Trident X2: 1.20" (31 mm),

Four digits (-1999 to 9999), automatic lead zero blanking.

DISPLAY INTENSITY Eight intensity levels

DISPLAY

UPDATE RATE

Process/RTD: 3.7-5/second

Thermocouple: 1.8-2.5/second

OVERRANGE Display flashes 9999

UNDERRANGE Display flashes -1999

PROGRAMMING

METHODS

Four front panel buttons, PC and MeterView®software, or

cloning using Copy function

NOISE FILTER Programmable from 2 to 199 (0 will disable filter)

RECALIBRATION All ranges are calibrated at the factory. 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.

POWER

OPTIONS

85-265 VAC, 50/60 Hz

90-265 VDC, 20 W max

or 12-36 VDC, 12-24 VAC, 6 W max

See table for power consumption

(*X: number depends on option)

Model Watts

PD765-6RX-0* 8

PD765-6RX-1, 2* 20

PD765-7RX-0* 6

FUSE Required fuse: UL Recognized, 5 A max, slow blow

Up to 6 meters may share one 5 A fuse

ISOLATED

TRANSMITTER

POWER SUPPLY

One or two transmitter power supplies (Optional)

P or P1: 24 VDC 10% @ 200 mA max. (-1 option)

P1 & P2: 24 VDC 10% @ 200 mA & 40 mA max. (-2 option)

NORMAL MODE

REJECTION

64 dB at 50/60 Hz

ISOLATION 4 kV input/output-to-power line

500 V input-to-output or output-to-P1/P2 supplies

OVERVOLTAGE

CATEGORY

Installation Overvoltage Category II:

Local level with smaller transient overvoltages than Instal-

lation Overvoltage Category III.

Trident Model PD765 Universal Input Meter Instruction Manual

ENVIRONMENTAL Operating temperature range: 0 to 65°C

Storage temperature range: -40 to 85°C

Relative humidity: 0 to 90% non-condensing

CONNECTIONS Removable screw terminal blocks accept 12 to 22 AWG

wire, RJ11 for serial communication adapters

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

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

et assemblies provided

TIGHTENING

TORQUE

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

OVERALL

DIMENSIONS

2.45" x 4.68" x 4.19" (62 mm x 119 mm x 106 mm)

(H x W x D)

WEIGHT 9.5 oz (269 g) (including options)

WARRANTY 3 years parts & labor

EXTENDED

WARRANTY

1 or 2 years, refer to the Price List for details.

Process Input

INPUTS Field selectable:

20 mADC (0-20, 4-20 mA) and 10 VDC (0-5, 1-5, 0-10 V)

ACCURACY ±0.05% of span ±1 count, square root: 10-100% FS

FUNCTION Linear or square root

LOW-FLOW

CUTOFF

0-9999 (0 disables cutoff function)

TEMPERATURE

DRIFT

50 PPM/C from 0 to 65C ambient

DECIMAL POINT Up to three decimal places for process inputs:

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

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

10 V 0.20 V

INPUT

IMPEDANCE

Voltage ranges: greater than 1 M

Current ranges: 50 - 100 (depending on resettable fuse impedance)

INPUT

OVERLOAD

Current input protected by resettable fuse.

Fuse resets automatically after fault is removed.

Trident Model PD765 Universal Input Meter Instruction Manual

Temperature Inputs

INPUTS Field selectable: type J, K, T, or E thermocouples;

100 platinum RTD (0.00385 or 0.00392 curve)

RESOLUTION 1for all thermocouples and RTD inputs

1or 0.1for Type T thermocouple

ACCURACY

Input Type Range Accuracy

Type J -58to 1382F

-50to 750C

2F

1C

Type K -58to 2300F

-50to 1260C

2F

1C

Type T -292to 700F

-180to 371C

2F

1C

Type T

0.1Res

-199.9to 700.0F

-180.0to 371.0C

1.8F

1.0C

Type E -58to 1578F

-50to 870C

2F

1C

100 RTD -328to 1382F

-200to 750C

1F

1C

COLD

JUNCTION

REFERENCE

Automatic, fixed, no user calibration needed

TEMPERATURE

DRIFT

2C maximum

0 to 65C ambient temperature

OFFSET

ADJUSTMENT

Programmable to 19.9. This parameter allows the user to

apply an offset value to the temperature being displayed.

INPUT

IMPEDANCE

Greater than 100 k

SENSOR BREAK

DETECTION

Open TC or RTD sensor indicated by display flashing oPEn.

All relays and alarm status LEDs go to alarm state.

Analog output goes to the programmed sensor break value.

Trident Model PD765 Universal Input Meter Instruction Manual

Relays Option

RATING 2 SPDT (Form C); rated 3 A @ 30 VDC or 3 A @ 250 VAC

resistive load; 1/14 HP @ 125/250 VAC (50 watts) for in-

ductive loads

ELECTRICAL

NOISE

SUPPRESSION

A suppressor (snubber) should be connected to each relay

contact switching inductive loads to prevent

disruption to the microprocessor’s operation.

Recommended suppressor value: 0.01 µF/470 , 250 VAC

(PDX6901).

DEADBAND 0-100% of full scale, user selectable

HIGH OR LOW

ALARM

User may program any alarm for high or low trip point.

RELAY

OPERATION

Automatic (non-latching)

Latching

Pump alternation control

RELAY RESET User selectable via front panel buttons or PC

Automatic reset only (non-latching)

Automatic + manual reset at any time (non-latching)

Manual reset only, at any time (latching)

Manual reset only after alarm condition has cleared (latching)

Automatic reset: Relays will automatically reset when the

input passes the reset point.

Manual reset: Front panel ACK button. Pressing ACK

resets all manually resettable relays.

TIME DELAY 0 to 199 seconds, on and off delays

Programmable and independent for each relay

FAIL-SAFE

OPERATION

Programmable

Independent for each relay

AUTO

INITIALIZATION

When power is applied to the meter, relays will reflect the

state of the input to the meter.

Fail-safe operation: relay coil is energized in non-alarm condition. In

case of power failure, relay will go to alarm state.

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