PRECISION DIGITAL NOVA PD570 Series User manual

LIMIT CONTROLLER

PRECISION DIGITAL CORPORATION

233 South Street Hopkinton MA 01748 USA

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

NOVA PD570 Series

Instruction Manual

PD570 & PD578

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.

Visit our Web Site

http://www.predig.com

Registered Trademarks

MODBUS®is a registered trademark of Schneider Automation Inc. All other

trademarks mentioned in this document are the property of their respective

owners.

Nova PD570 Series Model Number Guide

Options

10 = 1 alarm relay

14 = 1 alarm relay & RS-485

Main Control Output

A = 1 latching relay & 1 analog

output

0-6RA- 10PD5 7

Limit Controller

Size - DIN Cutout

0 = 1/16 DIN

8 = 1/4 DIN

Power

6 = 100-240 VAC

Display

R = Red LED

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

1. Safety Guide and Specifications 5

2. Front Panel Buttons and LED Indicators 11

5. Controller Parameter Setup

5.1 Input Group (G.IN) 14

5.2 Control Group (G.CTL) 18

5.5 Communication Group (G.COM) 27

3. Parameter Map

6. Error Display and Correction 29

7. Installation 30

7.1 Dimensions and Panel Cutouts

7.2 Panel Mounting 32

7.3 Power Cable Specification 33

7.4 Terminal Specification 33

7.5 Terminal Assignment, Connections, and Ratings 34

4. Operation Flow Chart 13

5.3 Alarm Group (G.ALM) 23

5.4 Retransmission Group (G.RET) 26

Table of Contents

1.1 Specifications 7

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.7 Signal Input Connection

7.8 Retransmission Output Connection (RET) 37

7.9 Relay Output Connection (RELAY) 37

7.10 Use of an External Relay 38

7.11 Communication Wiring (RS485) 39

7.6 Grounding and Power Cable Connection 36

Table 1: Universal Input Selection 14

Table 2: Alarm Selection 24

Fig 2: Bias Formula Calculation 16

Fig 3: Operation of Limit Functions with O.ACT set to REV 19

Fig 4: Operation of Limit Functions with O.ACT set to FWD 19

Fig 5: Example of Limit Control Relay Operation and Reset Function 20

Fig 6: Alarm Operation 24

Fig 1: Temperature Bias 16

Table of D-Registers 40

Appendix

Tables and Figures

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

1. Safety Guide and Specifications

Precautions Regarding This Instruction Manual

(1) This manual must be kept in the possession of the end user and in a suitable place for the operator to

study and to check the functions of the product.

(2) The installer and operator should carefully study and understand how to operate this product before use.

(3) This manual describes the functions of the product. Precision Digital Corporation does not guarantee

that the functions will suit a particular purpose.

(4) The contents of this manual have been reviewed for accuracy and correctness. However, should any

errors or omissions come to the attention of the user, contact technical support as listed on the back of this

manual

CAUTION

Safety Procedures and Unauthorized Modification Warning

(1) In order to protect this product and the system controlled by it against damage and ensure its safe use,

make certain that all of the safety instructions and precautions in this manual are strictly adhered to.

(2) Precision Digital Corporation does not guarantee safety if the products are not handled in accordance

with this instruction manual.

(3) If separate protection or safety circuits are to be installed in the system which is controlled by this product,

ensure that such circuits are installed external to this product.

(4) Do not make modifications or additions internally to the product. It may cause personal injury to the user or

damage to the product.

(5) Contact technical support as listed on the back of the manual for warranty and repair issues.

(6) Exposure to excessive moisture, electrical overloads, or mechanical vibration may damage the product.

CAUTION

Limited Liability

Precision Digital Corporation assumes no liability to any party for any loss or damage, direct or indirect,

caused by the use of or any unpredictable defect of the product.

CAUTION

The following safety symbols are used in this manual

(1) This symbol notifies the user of specific information relating to the safe operation of the controller.

Information noted with this symbol must be observed to protect the user from injury and to prevent damage

to the product.

(A) For User: Be aware of this marking in the manual and refer to the explanation in the manual to

prevent injury and damage.

(2) For Installer: Study the warnings marked to prevent injury and damage.

(2) Functional earth terminal: This symbol indicates that the terminal must be connected to ground.

(3) This symbol indicates additional information on the features of the product.

(4) This symbol directs the reader to further information on the current topic.

NOTE



CAUTION

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

CAUTION

Controller Mounting Precautions

Keep the input circuit wiring as far as possible away from power and ground circuits.

Keep the units in 10 to 50ºC (50 to 110ºF) with 20% to 90% relative humidity (RH).

The controller may need a warm up period to return to operating temperature ranges when below 10ºC.

To prevent electric shock, be sure to turn off the power source and circuit breaker before wiring.

The power requirements are 100 to 240 VAC, 50/60 Hz, 10 VA max. Do not switch power

supplies without first disconnecting the power supply.

Follow the operating procedures and precautions in the manual to avoid fire, shock, damage to the unit,

or injury. Follow the operations and mounting directions indicated in this manual.

Always create a ground connection where indicated, however do not ground to gas pipes,

water pipes, lightening rods, or other potentially hazardous metal objects.

Do not apply power to the unit until all connections have been made.

Do not cover the venting holes in the rear of the unit.

CAUTION

Operational Environment Precautions

(1) Only operate the controller when it is properly installed.

(2) When installing the controller, select a location where:

Rear terminals are protected from accidental contact.

Mechanical vibrations are minimal.

No corrosive gas is present.

Temperature fluctuation is minimal.

Temperature can be maintained between 10 and 50 ºC (50 and 110ºF) with 20 to 90% RH.

No direct heat radiation is present.

High levels of electromagnetic interference are not present

The unit is not exposed to water.

No flammable materials are present.

Dust particles are not present in the air.

Exposure to ultraviolet rays is minimal.

Openings on the rear of the controller are not blocked.

(3) This unit is suitable for installation in an enviornment classified as Pollution Degree 2.

(4) This unit is designated as Installation Category II.

(5) If the equipment is used in a manner not specified by the manufacturer, the protection provided by

the equipment may be impaired.

(6) A switch or circuit-breaker acting as the disconnect device shall be included in the application or the

installation.

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

1.1 SPECIFICATIONS

General

DISPLAY Dual 4 digits, red LED, -1999 to 9999

DIN Sizes PV Display SP Display Weight

mm (inch) mm (inch) g (oz)

1/16 11.3 (0.45) 9.5 (0.37) 198 (7.0)

1/4 20.5 (0.81) 11.0 (0.43) 389 (13.7)

FRONT PANEL 1/16 DIN: IP65; 1/4 DIN: IP55

SAMPLING TIME 250 ms

OVERRANGE Over range PV reads ovR, under range PV reads -ovR

PROGRAMMING Four front panel buttons and Modbus

METHODS

NOISE FILTER Programmable from 1 to 120

CALIBRATION All ranges are calibrated at the factory

MAX/MIN Max/min readings reached by the process are stored until

DISPLAY limit reset or until power to the controller is turned off.

OVER LIMIT Time since the last PV over limit occurnace is stored until the

TIMER system is reset by the user or until power to the controller is

turned off.

PASSWORD Programmable password restricts modification of

programmed settings

POWER 100-240 VAC, 50/60 HZ, 10 Watts

FUSE Required fuse: UL Recognized, 1 A, 250 V, slow blow

ISOLATION 2300 V input-to-output-to-power line;

4 kV relay output-to-input/output/power line

ENVIRONMENTAL Operating temperature range: 10ºC to 50ºC (50ºF to 110ºF)

Relative humidity: 20 to 90% non-condensing

MOUNTING 1/16 or 1/4 DIN size cutout required

Two panel mounting bracket assemblies provided for PD578

One one-piece bracket provided for the PD570

WARRANTY Three years parts and labor

Except where noted all specifications apply to operation at 23ºC.

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

K1 -200 to 1370 -300 to 2500

K2 -199.9 to 999.9 0 to 2300 > 0°C : ±0.1% FS ±1 digit

J -199.9 to 999.9 -300 to 2300 < 0°C : ±0.2% FS ±1 digit

T -199.9 to 400.0 -300 to 750

B 0 to 1800 32 to 3300 > 400°C : ±0.15% FS ±1 digit

< 400°C : ±5% FS ±1 digit

R 0 to 1700 32 to 3100 ±0.15% FS ±1 digit

Thermocouple S 0 to 1700 32 to 3100

E -199.9 to 999.9 -300 to 1800 > 0°C : ±0.1% FS ±1 digit

L -199.9 to 900.0 -300 to 1600 < 0°C : ±0.2% FS ±1 digit

U -199.9 to 400.0 -300 to 750

N -200 to 1300 -300 to 2400 > 0°C : ±0.1% FS ±1 digit

< 0°C : ±0.25% FS ±1 digit

W 0 to 2300 32 to 4200 ±0.2% FS ±1 digit

Platinel II 0 to 1390 32 to 2500 ±0.1% FS ±1 digit

PtA -199.9 to 850.0 -300 to 1560 ±0.1% FS ±1 digit**

PtB -199.9 to 500.0 -199.9 to 999.9

RTD PtC -19.99 to 99.99 -4.0 to 212.0 ±0.2% FS ±1 digit

JPtA -199.9 to 500.0 -199.9 to 999.9 ±0.1% FS ±1 digit**

JPtB -150.0 to 150.0 -199.9 to 300.0

0.4 to 2.0 V ±0.1% FS ±1 digit

1 to 5 V

Process 0 to 10 V

-10 to 20 mV

0 to 100 mV

0.400 to 2.000

1.000 to 5.000

0.00 to 10.00

-10.00 to 20.00

0.0 to 100.0

Temp Temp

Range (ºC) Range (ºF) Accuracy*

Input Type

UNIVERSAL INPUT TYPE AND ACCURACY

*Performance within recommended operating conditions (10 to 50°C, 20 to 90% RH)

**For a range scale of 0 to 100°C: +0.3°C +1 digit, and for a range scale of -100 to 100°C: +0.5°C +1 digit

Process and Temperature Inputs

TEMPERATUREDRIFT Refer to accuracy specifications below

DECIMAL POINT Up to three decimal places for process inputs:

9.999, 99.99, 999.9, or 9999

REAR JUNCTION Automatic or off settings for temperature inputs. No user

COMPENSATION calibration required.

OFFSET ADJUSTMENT Four programmable input bias zones

SENSOR BREAK Open sensor indicated by PV display flashing S.OPN.

DETECTION Up or down scale, user selectable; relays will follow the up

or down scale selection.

TRANSMITTER 14 to 18 VDC @ 20 mA; available at terminals OUT2 or

SUPPLY OUT3, instead of a retransmitting analog output

Display range can be scaled between -1999 and 9999.

4 to 20 mA Input

To accept a 4 to 20 mA signal, select 0.4 to 2.0 VDC input

and connect a 100 Ωresistor across the input terminals.

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Relay Outputs

RATINGS Out1: 250 VAC @ 3 A or 30 VDC @ 3 A (resistive load)

Alarm: 250 VAC @ 1 A or 30 VDC @ 1 A (resistive load)

ELECTRICAL NOISE A suppressor (snubber) should be connected to each

SUPPRESSION relay contact switching inductive loads, to prevent

disruption to the microprocessor's operation.

Recommended suppressor value: 0.1 μF/470 Ω,

250 VAC (PDX6901)

DEADBAND For alarm operations, 0-100% of full scale, user selectable

HIGH OR LOW User may program the alarm relay for high or low trip point

ALARM

DEVIATION ALARM User may program the alarm relay for a high, low, or range

set point deivation alarm.

RELAY OPERATION Out 1, the Limit Control Relay, will activate when the PV

exceeds the limit set point. It will remain in this state until the

PV no longer exceeds the limit set point and the relay is reset

by the user. The alarm relay may be set to any alarm type.

TIME DELAY 0 to 99 minutes 59 seconds alarm trip delay for each alarm.

FAIL-SAFE Programmable

OPERATION Independent for each alarm relay

AUTO INITIALIZATION When power is applied to the controller, alarm relays will

reflect the state of the input to the controller except standby

alarms.

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Retransmitting Output

OUTPUT RANGE Retransmitting: 4 to 20 mA (600 Ω maximum)

SCALING RANGE Any display range (see range for the input selected)

ACCURACY +0.1% of full scale

Serial Communications

PROTOCOLS Modbus (ASCII, RTU), PC software,

UNIT ADDRESS 1 to 99 (Max 31 units connected)

BAUD RATE 600, 1200, 2400, 4800, 9600, 19200 bps, user selectable

RESPONSE TIME 0 to 100 ms delay response time

10 ms increments user selectable

DATA 7 or 8 bit user selectable

PARITY None, even, or odd

Approvals

UL RECOGNIZED USA and Canada

Process Control Equipment

UL FILE NUMBER E244207

CE COMPLIANT

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

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