PRECISION DIGITAL PROVU PD6088 Modbus Manuale utente

PROVU™PD6088/PD6089 Modbus®Scanners

Instruction Manual

PRECISION DIGITAL CORPORATION

233 South Street • Hopkinton MA 01748 USA

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

www.predig.com

•1/8 DIN Modbus Scanner with NEMA 4X, IP65 Front

•Modbus RS-485 RTU Scanner as Master, Slave, or Snooper

•On-Board RS-485 Serial Communications Standard

•Decimal or Feet & Inches (with Eighths & Sixteenths) Display Options

•Scan up to 16 Modbus Process Variables

•Add, Diff, Avg, Multi, Div, Min, Max, Weighted Avg, Ratio, Concentration, & More

•Dual-Line 6-Digit Display, 0.6" (15 mm) & 0.46" (12 mm)

•Isolated 24 VDC @ 200 mA Transmitter Power Supply

•2 or 4 Relays with Interlocking Capability + Isolated 4-20 mA Output Options

•Free PC-Based, On-Board, ScanView USB Programming Software

•SunBright Display Standard Feature; Great for Outdoor Applications

•No Assembly Required

•Operating Temperature Range: -40 to 65°C (-40 to 149°F)

•Input Power Options: 85-265 VAC / 90-265 VDC or 12-24 VDC / 12-24 VAC

•Multi-Pump Alternation Control

•32-Point, Square Root, or Exponential Linearization

•Programmable Display, Function Keys & Digital Input

•External 4-Relay, Dual 4-20 mA Output & Digital I/O Expansion Modules

•Password Protection

•Wide Assortment of NEMA 4X Enclosures for up to Ten Scanners

•Light / Horn & Reset Button Accessory

•Control Station Accessory for Remote Operation of PROVU

•3-Year Warranty

ScanView

USB Install

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

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.

See Warranty Information and Terms &

Conditions on www.predig.com for complete

details.

•Read complete instructions prior to installation

and operation of the scanner.

•Risk of electric shock or personal injury.

•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.

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.

FREE ScanView

Programming Software

The scanner can be powered from the Micro USB connection.

When using the Micro USB connection, DO NOT apply AC or DC

power to the scanner.

The easiest and quickest way to program your PROVU

Modbus scanner is to use the FREE ScanView

programming software. This software is loaded into

the scanner and connects and installs directly to your

PC with a USB cable. We recommend that the first

thing you do after taking the Modbus scanner out of

the box is connect it to your PC with the provided

USB cable –do not use a different cable. DO NOT

apply AC or DC power to the scanner while your PC

is connected to the scanner as it will disrupt the USB

connection.

ScanView programming software is intuitive, and

most customers can get their scanner programmed as

they like without even looking in the manual.

For more information on ScanView visit

www.predig.com/ScanView

In addition to programming, the software may be used

for:

•Monitoring

•Datalogging using your PC

•Generating and saving programming files for

later use

Once your Modbus scanner is programmed the way

you want it, you can wire it up for your application per

the instructions in this manual and install it. If you find

that you need to make adjustments to the

programming after the scanner is installed, you can

use the front panel buttons and the instructions in this

manual to do so.

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

Table of Contents

Introduction..........................................................................................................6

Ordering Information...........................................................................................6

Specifications.......................................................................................................7

Operating Modes.............................................................................................7

Master & Snooper Settings.............................................................................7

PV Settings.......................................................................................................7

Display Settings...............................................................................................7

Math Functions................................................................................................8

General.............................................................................................................8

Serial Communications...................................................................................8

Relays...............................................................................................................9

Isolated 4-20 mA Transmitter Output ............................................................9

USB Connection............................................................................................10

On-Board Digital Input (F4)...........................................................................10

ScanView........................................................................................................10

Compliance Information....................................................................................11

Safety..............................................................................................................11

Electromagnetic Compatibility.....................................................................11

Safety Information .............................................................................................11

Installation..........................................................................................................11

Unpacking......................................................................................................11

Panel Mounting Instructions ........................................................................12

Mounting Dimensions..................................................................................12

Installation Overview.....................................................................................13

ScanView Software........................................................................................13

ScanView Installation..................................................................................14

Connections...................................................................................................15

Connectors Labeling ...................................................................................15

Power Connections.....................................................................................16

Serial Communications Connection............................................................16

Serial Communications Connections Table ................................................16

F4 Digital Input Connections.......................................................................16

Relay Connections......................................................................................17

Switching Inductive Loads...........................................................................17

4-20 mA Output Connections......................................................................17

Analog Output Power Supply......................................................................17

External Relay, Analog Output, & Digital I/O Connections..........................18

Interlock Relay Feature...............................................................................18

Setup and Programming...................................................................................19

Overview.........................................................................................................19

Front Panel Buttons and Status LED Indicators ........................................19

Display Functions & Messages....................................................................20

Menu Navigation Tip .....................................................................................23

Setting Numeric Values ................................................................................23

Main Menu......................................................................................................23

Serial Communications (serial).................................................................24

Scanner Mode Selection...............................................................................25

Operating Modes (nmode) ...........................................................................25

How to Enable Process Variables (PVs)......................................................25

Master Mode (nmastr)................................................................................26

Snooper Mode (Snoopr) .............................................................................27

How to Select 5 or 6-Digit Registers............................................................28

Slave Mode (SlaVe)....................................................................................28

Setting Up the Scanner (setup)....................................................................29

Setting Up the Process Variables (PVs) (pV setup)..................................30

Setting the Display Decimal Point (disp.dp)................................................31

Setting the Float Decimal Point (Flot..dp)....................................................31

Scaling the PV Display Values (sCale).......................................................31

Setting Up the Displays (dsplay setup).....................................................32

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

Display Line 1 Parameters (Line 1 dsplay).............................................32

Display Line 2 Parameters (Line 2 dsplay).............................................32

Display Intensity (d-IntY)...........................................................................32

Display Line 1 Menu (Line 1 dsplay) ......................................................33

Display Line 2 Menu (Line 2 dsplay) ......................................................34

Setting the Tags (tAg) & Units (units).......................................................35

Application Example 1.................................................................................35

Application Example 2.................................................................................37

Setting the Relay Operation (relay)............................................................38

Relay Setup Menu (relay setup) .............................................................38

Setting the Relay Action (act 1).................................................................39

Programming Set and Reset Points............................................................39

Setting Fail-Safe Operation (failsf)..........................................................39

Programming Time Delay (delay)..............................................................39

Relay Action for Communications Break (break) .......................................39

Time Delay Operation .................................................................................40

Relay Sampling Operation ..........................................................................40

Relay and Alarm Operation Diagrams.........................................................41

HighAlarm Operation (Set >Reset)..............................................................41

Low Alarm Operation (Set < Reset)............................................................41

High Alarm with Fail-Safe Operation (Set > Reset).....................................41

Low Alarm with Fail-Safe Operation (Set < Reset) .....................................41

Pump Alternation Control Operation ...........................................................42

Relay Operation After Communications Break............................................42

Relay Operation Details................................................................................43

Overview .....................................................................................................43

Relays Auto Initialization.............................................................................43

Fail-Safe Operation (failsf)......................................................................43

Front Panel LEDs........................................................................................43

Latching and Non-Latching Relay Operation ..............................................43

Non-Latching Relay (Auto) .........................................................................44

Non-Latching Relay with Manual Reset (A-nman).......................................44

Latching Relay (LatcH)...............................................................................44

Latching Relay with Clear (Lt-Clr)............................................................44

Acknowledging Relays................................................................................44

Pump Alternation Control Applications (Altern) ........................................45

Setting Up the Interlock Relay (Force On) Feature.....................................45

Scaling the 4-20 mA Analog Output (Aout).................................................46

Setting Up the Password (pass)...................................................................47

Protecting or Locking the Scanner..............................................................47

Making Changes to a Password Protected Scanner...................................47

Disabling Password Protection....................................................................47

Advanced Features Menu.............................................................................48

Advanced Menu Navigation Tips.................................................................48

Advanced Features Menu & Display Messages..........................................48

Scan Function (SCan)..................................................................................50

Manual Control Menu (Contrl)...................................................................50

Noise Filter (filter)...................................................................................51

Noise Filter Bypass (bypass)......................................................................51

Rounding Feature (round)..........................................................................51

Select Menu (SELect).................................................................................51

Low-Flow Cutoff (CutofF)...........................................................................58

Analog Output Source Programming (aoutpr)...........................................58

Programmable Function Keys User Menu (user).......................................60

Digital Input Menu (dI 1)............................................................................61

Digital Output Menu (dO 1).........................................................................61

Reset Menu (reset)....................................................................................61

Troubleshooting.................................................................................................62

Diagnostics Menu (diag) ..............................................................................63

Determining Software Version.....................................................................63

Reset Scanner to Factory Defaults .............................................................63

Testing the Display LEDs............................................................................63

Scanner Operation.............................................................................................64

Front Panel Buttons Operation....................................................................64

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

Function Keys Operation..............................................................................64

F4 Operation ..................................................................................................64

Maximum/Minimum Readings......................................................................64

Factory Defaults & User Settings.................................................................65

EU Declaration of Conformity...........................................................................67

Table of Figures

Figure 1. 1/8 DIN Panel Cutout Dimensions....................................................12

Figure 2. Panel Mounting Details .....................................................................12

Figure 3. Scanner Dimensions - Side View .....................................................12

Figure 4. Scanner Dimensions - Top View ......................................................12

Figure 5. PD6088/89-#H0 Connectors Label....................................................15

Figure 6. PD6088/89-#H2 Connectors Label....................................................15

Figure 7. PD6088/89-#H3 Connectors Label....................................................15

Figure 8. PD6088/89-#H4 Connectors Label....................................................15

Figure 9. PD6088/89-#H5 Connectors Label....................................................15

Figure 10. PD6088/89-#H7 Connectors Label..................................................15

Figure 11. Power Connections .........................................................................16

Figure 12. Serial Communications Connections............................................16

Figure 13. Three-Wire RS-485 Connection......................................................16

Figure 14. F4 Digital Input Connections..........................................................16

Figure 15. Relay Connections...........................................................................17

Figure 16. AC and DC Loads Protection..........................................................17

Figure 17. Low Voltage DC Loads Protection.................................................17

Figure 18. 4-20 mA Output Connections .........................................................17

Figure 19. Analog Output Supply Powering Other Devices...........................17

Figure 20. Interlock Connections.....................................................................18

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

Introduction

The PROVUPD6088/6089 Super Snooper Modbus®

Scanner is a multi-purpose, easy-to-use digital

scanner that can be programmed as a Modbus RTU

Master, Slave, or Snooper. They are capable of

scanning up to 16 variables generated by any

Modbus device, which makes it ideal for tank level

monitoring and control. Their superluminous

SunBright display makes them easily readable in

smoke, dust, fog, and even direct sunlight. The

PD6088 displays in decimal format, while the PD6089

displays in Feet & Inches.

As a master, the PD6088/6089 reads up to 16 slave

devices, scales the data from each, displays the

result, and operates the internal relays and 4-20 mA

output. It displays all the enabled PVs in sequence, at

a user programmable scan rate. As a snooper, the

PD6088/6089 listens to the Modbus traffic and picks

up a specific register or registers being polled by a

master device from a specific slave device and

processes the data being read. As a slave, it is

controlled by a master device. The data sent to it by

the master is scaled, displayed, and used to operate

the relays and 4-20 mA output.

The PD6088/6089 Modbus scanner is housed in an

1/8 DIN panel enclosure that features a NEMA 4X

front panel. Data is displayed on an adjustable

intensity, dual-line, six-digit display. Display line 1 is a

0.6 inch, seven-segment LED display, while display

line 2 has a digit height of 0.46 inches. The Modbus

scanner can be powered from 85-265 VAC or

12-36 VDC. It is available with up to 4 internal relays

and 4 external relays, up to 8 digital inputs/outputs, as

well as a dual 4-20 mA output expansion module.

Various math functions may be applied to the Modbus

input including addition, difference, absolute

difference, average, weighted average, multiplication,

division, minimum, maximum, draw, ratio, and

concentration. This is in addition to the signal input

conditioning functions (linear, square root,

programmable exponent, or round horizontal tank

calculations). The displays, relays, and the analog

outputs may be assigned to PVs or to math channels

C1, C2, C3, or C4. The digital inputs/outputs can be

custom-programmed for specific operations. A digital

input (F4) is standard.

Free ScanView software allows a Super Snooper

Modbus Scanner to be accessed with a computer.

Configure multiple scanners, conveniently monitor

critical information, and Datalog right from a PC with

ease, further increasing plant efficiency.

Ordering Information

SunBright Decimal Display Models

85-265 VAC

Model

12-24 VDC

Model

Options Installed

PD6088-6H0

PD6088-7H0

No options

PD6088-6H2

PD6088-7H2

2 relays

PD6088-6H3

PD6088-7H3

4-20 mA output

PD6088-6H4

PD6088-7H4

4 relays

PD6088-6H5

PD6088-7H5

2 relays & 4-20 mAoutput

PD6088-6H7

PD6088-7H7

4 relays & 4-20 mA output

SunBright Feet & Inches Display Models

85-265 VAC

Model

12-24 VDC

Model

Options Installed

PD6089-6H0

PD6089-7H0

No options

PD6089-6H2

PD6089-7H2

2 relays

PD6089-6H3

PD6089-7H3

4-20 mA output

PD6089-6H4

PD6089-7H4

4 relays

PD6089-6H5

PD6089-7H5

2 relays & 4-20 mAoutput

PD6089-6H7

PD6089-7H7

4 relays & 4-20 mA output

Accessories

Model

Description

PDA1002

DIN rail mounting kit for two devices

PDA1004

4 SPST (Form A) relays module

PDA1011

Dual analog output module

PDA1044

4 digital inputs & 4 digital outputs module

PDA7485-I

RS-232 to RS-485 isolated converter

PDA8008

USB Adapter

PDA8485-I

USB to RS-485 isolated converter

PDA-LH

Light / horn accessory

MOD-LH

Light / horn / enclosure modification

PDA2360

Plastic control stations series

PD659

Signal isolators, splitters, & conditioners

PD9501

Multi-function calibrator

PD9502

Low-cost signal generator

PDX6901

Snubber: 0.01 μF/470 Ω, 250 VAC

Enclosures

Series

Scaners

Material

PDA2300

1-10

Plastic NEMA 4X

PDA2500

1-6

Plastic NEMA 4X

PDA2600

1-6

Stainless Steel NEMA 4X

PDA2700

1-6

Painted Steel NEMA 4

PDA2800

1-2

Plastic NEMA 4X

PDA3400

1-3

Plastic NEMA 4X

Need help selecting the right enclosure?

Go to www.predig.com/esu

Replacement Option Cards

Model

Options Installed

PD1102

2 relays

PD1103

4-20 mA output

PD1104

4 relays

PD1105

2 relays & 4-20 mA output

PD1107

4 relays & 4-20 mA output

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

Specifications

Except where noted all specifications apply to

operation at +25°C.

Operating Modes

Master

Processes data read from Modbus RTU

slave devices. It polls up to 16 process

variables from 1 to 16 slave devices. The

Master is capable of scanning the selected

PVs, scaling the data, triggering relays,

performing math operations, and driving

the analog outputs.

Snooper

Listens to the Modbus traffic and picks up

a specific register or registers being polled

by a master device from a specific slave

device and processes the data being read.

The Snooper mode handles the data the

same way as the Master.

Slave

Processes data sent to it from a Modbus

RTU master device.

Note: The relays and the 4-20 mA outputs are functional in

all modes.

Master & Snooper Settings

PV Number

PV1–PV16 Enable or disable the process

variables to be polled by the Master.

Slave Id

Assign the slave ID or address (1-247)

containing the process variables to be

displayed by the selected PV.

Function

Code

Select which Modbus function code (03, 04,

or 65) to use in reading the slave device.

Number

5 digit: 30001-39999, 40001-49999, or

1-65,536

6 digit: 300001-365536 or 400001-465536

(Function Code 65 N/A here)

Specifies which register(s) to read in the

slave device. Range is dependent on

Function Code selection (65, 04, or 03) and

digits selection (5 or 6).

Data Type

Select the data format that the slave device

uses. Select between Short integer (2 byte),

Long integer (4 byte), or floating point

(4 byte), Signed or Unsigned (integer only)

and byte order: 1234, 4321, 2143, or 3412

(big-endian vs. little-endian, or swapped).

Poll Time

1.0 to 99.9 sec. Time between read-

commands (Master mode).

Slave

Response

Timeout

0.0 to 99.9 seconds: Time allowed for the

slave to respond before the scanner

generates a communication break

condition. The master polls the slave 3

times before starting the response timeout

timer.

Slave/Snooper mode: Time the scanner will

wait for new data before going into break

condition.

Slave mode: Programming 0 disables the

timeout; the last value received will be

displayed indefinitely.

Communica-

tion Break

Displays brEAK after the Master has polled

the slave device 3 times and the response

timeout has elapsed. The Snooper and

Slave modes go into break condition after no

new data is received within the response

timeout window. Relays can be programmed

to go on, off, or ignore the break condition.

The analog outputs can be setup to

generate a fixed mA current when a break

condition is detected.

PV Settings

Tag & Units

6-character, independent tag and units for

each PV and math channel

PV Format

PD6088 default: Decimal format

PD6089 default: FT & IN, 1/8th or 1/16th;

decimal format may be selected for line 2

indication.

Display

Decimal

Point

Up to five decimal places or none:

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

ddddd.d,or dddddd

Float

Decimal

Point

Select the number of decimals to use for

the floating point data expected from the

slave or master device (this is independent

from the display decimal point selection).

PV & Math

Scaling

All PVs and math channels may be scaled

to represent the input data in any

engineering unit.

Example: Level transmitter = 999.999

inches; to display in Ft-In-1/16th scale input

2 to display 83 Ft –4 In –0/16th.

Display Settings

Scan Mode

Automatic: 1.0 to 99.9 sec

Manual: Front panel or digital inputs

Go on alarm: Continues scanning after an

alarm is detected

Stop on alarm: Goes to the alarmed PV

and stops scanning; press Scan to resume

scanning.

Display

Scan Rate

Master/Snooper: 1 PV/second to 1 PV

every 99.9 seconds

Slave: Dependent on master device

(e.g. PLC)

Note: The display scan rate is independent

of the poll time.

Display

Assignment

Display line 1 may be assigned to PV

(process values), Ch-C (math channel), PV

& units, tag & PV, tag-PV-units, C & units,

tag-C-unit, Set point 1-8, max/min PV,

max/min C.

Line 2 may be assigned to all of the above,

tag, tag & units, or off.

The tag and units are displayed alternately

for 2 seconds max, when selected.

Different tags & PVs may be selected to

display on line 1 & 2 at the same time.

PROVU™PD6088/PD6089 Modbus®Scanner

Instruction Manual

Math Functions

Name

Math Operation (Examples)

(P = Adder, F = Factor)

Setting

Addition

(PV1+PV2+P)*F

Sunm

Difference

(PV1-PV2+P)*F

diF

Absolute

difference

((Abs(PV1- PV2)+P)*F

diFAbS

Average

(((PV1+PV2)/2)+P)*F

AvG

Multiplication

((PV1*PV2)+P)*F

Nmulti

Division

((PV1/PV2)+P)*F

divide

Max PV

Max value of all selected PVs

Hi-pv

Min PV

Min value of all selected PVs

Lo-pv

Draw

((PV1/PV2)-1)*F

drAuw

Weighted

average

((PV2-PV1)*F)+PV1

uwavg

Ratio

(PV1/PV2)*F

Ratio

Concentration

(PV1/(PV1+PV2))*F

Concen

Math 2

Math on other math channels

Nmath2

Programmable

Constants

Constant P (Adder): -99.999 to 999.999,

default: 0.000

Constant F (Factor): 0.001 to 999.999,

default: 1.000

General

Input/output

Modbus RTU over RS-485

Display

Line 1: 0.60" (15 mm) high, red LEDs

Line 2: 0.46" (12 mm) high, red LEDs

6 digits each (-99999 to 999999), with lead

zero blanking

Display

Intensity

Eight user selectable intensity levels.

Default value is six.

Overrange

Display flashes 999999

Underrange

Display flashes -99999

Programming

Methods

Four front panel buttons, digital inputs, PC

and ScanView software, or Modbus

registers.

Max/Min

Display

Max/min readings are stored until reset by

the user or when power to the scanner is

turned off. User can reset by front panel

pushbuttons, digital input, or via Modbus

registers.

Rounding

Select 1, 2, 5, 10, 20, 50, or 100

(e.g. rounding = 10, value = 123.45,

display = 123.50).

Password

Three programmable passwords restrict

modification of programmed settings.

Pass 1: Allows use of function keys and

digital inputs

Pass 2: Allows use of function keys, digital

inputs and editing set/reset points

Pass 3: Restricts all programming, function

keys, and digital inputs.

Non-Volatile

Memory

All programmed settings are stored in non-

volatile memory for a minimum of ten

years, with or without power.

Power

Options

85-265VAC50/60Hz;90-265VDC,20Wmax;

12-24 VDC, 12-24 VAC, 15 W max.

Powered over USB for configuration only.

Fuse

Required external fuse: UL Recognized,

5 A max, slow blow; up to 6 scanners may

share one 5 A fuse.

Isolation

4 kV input/output-to-power line

500 V input-to-output or output-to-P+ supply

Overvoltage

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