Precision Digital PD570 User Manual

LIMIT CONTROLLER

®

NOVA PD570 Series

Instruction Manual

PD570 & PD578

PRECISION DIGITAL CORPORATION

89 October Hill Road z Holliston MA 01746 USA
Tel [phone]

z

Fax [phone]

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Disclaimer

The information contai ned i n t h i s docu m ent i s su b j ec t t o c h ang e wi t hou t n oti ce.
Precision D i g i t al C or p or ati on m akes no repr esentati ons or warranties with
res p ect t o t he c on t en ts h ereof , an d s p ecifically disclai m s any i m p l ied warran tie s
of merchantability or fitness f or a particular purpose.

Registered Trademarks

MODBUS® is a registered tr ademar k of Sch n eid er A u t omati on I n c. A l l ot h er
trademarks men t ion ed i n t hi s doc u men t ar e t h e pr op ert y of their respective
owner s.

Visit our Web S i te

http://www.predig.com

Nova PD570 Series Model Number Guide

0-6RA-10PD5 7

Limit Controll er
Size - DIN Cutou t

0 = 1/16 DI N
8 = 1/4 D I N

Power

6 = 100-240 VAC

Display

R = Red LED

Options

Main Control Ou tp u t

output

©2009 Precision Digital C or p orat i on. A l l r i g h t s reserved.

2

10 = 1 alarm relay
14 = 1 alarm relay & RS-485

A = 1 latching relay & 1 analog

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Table of Contents

1. Safety Guide and Specifications 5

1.1 Specifications

7

2. Front Panel Buttons and LED Indicators 11

3. Parameter Map

12

4. Operation Flow Chart 13

5. Controller Parame t er Se t up

5.1 Input Group ( G.IN )

5.2 Control Group (G.CTL)

5.3 Alarm Group (G.ALM)

5.4 Retransmission Group (G.RET)

5.5 Communication Group (G.COM)

6. Error Display and Correction

7. Installation

7.1 Dimensions and Panel Cutout s

14
14
18

23
26
27

29

30
30

7.2 Panel Mounting

7.3 Power Cable Specification

7.4 Terminal Specification

7.5 Terminal Assignment, Connections, and Ratings

3

32
33

33
34

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.6 Grounding and Power Cable Connection

7.7 Signal Input Connection

7.8 Retransmission Output Connection (RET)

7.9 Relay Output Connection (RELAY)

7.10 Use of an External Relay

7.11 Communication Wiring (RS485)

Appendix

Table of D-Regist er s

Tables and Figures

Table 1: Universal Input Selection

Table 2: Alarm Selection

Fig 1: Temperature Bias
Fig 2: Bias Formula Calculation

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

36
36

37
37

38
39

40

14
24

16
16

19

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

Fig 5: Example of Limit Control Relay Operat ion an d Reset Fu n ct i on

Fig 6: Alarm Operation

4

19

20
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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

1. Safety Guide and Speci f ica t ion s

The following safety symbols are used in this manual
(1) This symbol notifies the use r o f s pe c i f ic in f o rmatio n r e l a t in g t o t h e sa f e o p e ratio n o f t h e co n t roller.

!

CAUTION

?

NOTE

&

!

CAUTION

!

CAUTION

Information noted with this symbol must be observed to protect the user from injury and to prevent damag e
to the product.
(A) For User: Be awa re of t h i s ma rking i n t h e ma n u al a n d r e f e r to th e e xplanat io n i n t h e manua l to

(2) For Installer : Stud y the warning s marked t o p r e vent inju ry and dama g e .

(2) Functional ea rth te rminal : This symbol i n d ic a t e s t h a t t h e t e r mi n a l mu st b e c onnected to ground.

(3) This symb o l in d i ca t e s a d d it i o n a l i n f o r ma t io n o n t h e f e a t u r e s o f t h e p r oduct.

(4) This symbol directs the r e a d e r to further info r ma t i o n o n t h e cu r rent t o pi c .

Precautions R eg a rd i ng T his Instr ucti o n Ma n ua l

(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 oper ator should carefully study and understand how to operate this product before use.
(3)This manual describes the functions of the product. Precision Digital Corporatio n d o e s n o t guar antee

that the functions will suit a particu lar pu r pose .
(4) The contents of this manual have been reviewed for accuracy and correctness. However, shou l d a n y

errors or omission s c o me t o t h e at t e n t i o n o f t h e u se r, con t a ct t e c h n ic a l s upport as listed on the back of this

manual

Safety Procedures and Unauthorized Modification Warning

(1)In order to prote c t t h is p r oduct and the system controlled by it against damage and ensure its safe use,

make certain t h a t a ll o f t h e sa f e t y instructi o n s a n d p r e c a u t io n s in t h i s manual are strictly adhered to.
(2)Precision Digital Corpo ratio n d o e s not gua r a n t e e s a f e t y i f t h e p r o d u ct s a r e n o t h andled in accordance

with this instruction manual.
(3) If separate prot ec t i o n o r safe t y circ u it s a r e t o b e in s t a ll e d in t h e s y s t e m wh ic h is co n t rolle d b y t h i s p r oduct,

ensure that such circu i t s a re ins t a ll e d e xternal t o t h is p r oduct.
(4) Do not make modifications or additions internally to the product. It may cause personal in ju r y to t h e u se r or

damage to the product.
(5)Contact tech n ic a l s u p p ort as l is t e d o n t h e b a ck o f t he manual for warranty and repair issues.
(6)Exposure to e xcessive mo i st u re, el e ct rical o verloads, or mechanical vibration may damage the product.

prevent injury and damage.

!

CAUTION

Limited Liability

Precision Digital Corpo ration a s su me s n o li a b ility t o an y pa rt y fo r any lo ss or d amage, dir ect or in dir ect ,
caused by the use of or any unpredictable defect of the product.

5

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Operational Enviro nment Precautions

!

CAUTION

CAUTION

(1)Only operate the c o nt rolle r wh e n i t is p r o p e r l y i n s ta l l e d .
(2)When installing the controller, select a location where:
 Rear terminal s a re pr o t e ct e d f r o m a c ci dental contact.
 Mechanic a l vibrati o n s a re minima l .
 No corrosive ga s i s p resen t .

 Temperature fluctuation is minimal.
 Temperature can be maintained between 10 and 50 ºC (50 and 110 ºF) wi t h 20 t o 9 0 % RH.
 No direct heat r adiation is present.
 High levels of electromagnetic interference are not present
 The unit is not exposed to water.
 No flammable materials are present.
 Dust particles ar e n o t p r e s e n t in t h e a i r .
 Expo s u r e t o u l t r a violet r a y s is min i mal .
 Openings on t h e r e a r of th e c o n t r o l le r are n o t b lo c ke d .

(3)This unit is suitable f o r in s t a l la t i o n in a n e n viornmen t cl a ss if i e d a s Pollution D e g ree 2.
(4)This unit is designated as Installation Category I I .
(5) If the equipment is used in a manner not specified by the manufacturer, the protection provided by

the equipment may be impair e d .

(6)A switch or circuit-brea ke r acti n g a s t h e d is c onnect dev ice shall be included in the application or the

installation.

Controller Mounting Precautions

!

 Keep the input circuit wiring as far a s poss i b le away from p o wer and grou n d circuits.

 Keep the u n i t s i n 1 0 t o 5 0 º C ( 5 0 t o 1 1 0 º F) with 20% to 90% relat i ve humidit y (RH) .

The controlle r may n e e d a wa r m u p p e r i o d t o retu r n t o o p e r a t i n g t e mpe rature ra nges when below 10ºC.

 To prevent electric sho c k, b e s u r e t o t u r n o f f t h e p o we r sour c e a n d ci r c u it b reake r b e f o r e wi r i n g .
 The po we r requi r e me n t s are 100 t o 240 VAC, 50/60 Hz , 10 VA max. Do not switch power

supplies without first disconnecting the power supply.

 F ollow 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, lighten i n g r o d s, o r oth er pot e n t ia l ly haz a r d o u s me t a l o b j e ct s .

 Do not apply power to the unit until all connections have been ma d e .
 Do not cov e r t h e venting h o le s in t h e r e a r of t h e u n i t .

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

1.1 SPECIFICATIONS

Except where note d a ll sp e c i f ic a t io n s apply to operation at 23ºC.

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)

FRON T PANEL 1/16 DIN: IP65; 1 / 4 D I N : IP 5 5
SAMPLING TI ME 250 ms
OVERRANGE Ove r r ange PV read s ov R, under range PV reads -ovR
PROGRAMMING Four front p anel b u t t ons and Modbus

METHODS
NOISE FILTER Programmable from 1 t o 1 2 0
CALIBRATION All rang es are calibr at ed at t h e fa ctory
MAX/MIN Max/mi n readi n g s r eached b y the p r oces s ar e stored u n t il

DISPLAY limit reset or un t il p ower t o th e c on t r oll er i s t u r n ed of f.
OVER LIMIT Time since the last PV over l i mi t oc cur nace is s t or ed u n t i l t he

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

turned off.

PASSW ORD Progr a mma bl e password restr icts mod ifi cati o n of

programmed settin g s
POWER 100-240 VAC, 50/ 6 0 HZ, 1 0 Watts
FUSE Required fuse: UL Recognized, 1 A, 250 V, slow blow
ISOLATION 2300 V input-to-output-to-power lin e;

4 kV relay output-to-input/output/power line
ENVIRONMENTAL Operating temperatu re range: 10 º C to 50ºC ( 5 0ºF to 110ºF)

Relative humid i t y: 2 0 t o 90 % n on - condensing
MOUNTING 1/16 or 1/4 DIN size cutout required

Two panel mounti ng b r acket as sembli es p r ovid ed for P D 5 7 8

One one-pi ec e bracket provided f or t h e P D 5 7 0
WARRA NTY Thr ee years p ar t s an d la bor

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Process and Temperatu re I nputs

TEMPERATURE DRIFT 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 s ett i n gs f or t emp er atu r e i nputs . N o user
COMPENSATION calibrati on r equ i r ed .

OFF S ET ADJUS T MENT Four programmable input bias zones
SENSOR BREAK Open sensor i n di cated by P V d i s p l ay f l as h i n g 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; availab l e at term i nals OUT 2 or

SUPPLY OUT3, instead of a retr ansmit t i n g an alog ou t p ut

UNIVERSAL IN PU T TYPE A ND A CCURACY

Temp Temp
Range (ºC) Range (ºF) Accuracy*

K1 -200 to 1370 -300 to 2500
K2 -19 9 . 9 t o 9 9 9.9 0 t o 2300 > 0°C : ±0.1 % F S ± 1 d ig i t
J -199.9 to 999.9 -300 to 2300 < 0°C : ±0.2% F S ± 1 d ig i t
T -199.9 to 400. 0 -300 to 750

B 0 to 1800 32 to 3300 > 400°C : ±0.15 % F S ± 1 d ig i t

Thermocouple S 0 to 1700 32 to 3100

Input Type

RTD PtC - 19.99 to 99. 9 9 -4.0 to 212.0 ±0.2% FS ± 1 d i g it

Process 0 to 10 V

*Performance with i n recomme n d e d 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

R 0 to 1700 32 to 3100 ±0.15% F S ± 1 d i g it

E -199.9 to 999 . 9 -300 to 1800 > 0°C : ±0.1 % FS ±1 d i g it
L -199.9 to 900.0 -300 to 1600 < 0°C : ±0.2% FS ±1 d i g it
U -199.9 to 400.0 -300 to 750

N -200 to 1300 -300 to 2400 > 0°C : ±0.1% FS ±1 d ig i t

W 0 to 2300 32 to 4200 ±0.2% FS ±1 d ig i t
Platinel II 0 to 1390 32 to 2500 ±0.1% FS ±1 d i g it
PtA -199.9 to 850.0 -300 to 1560 ±0.1% FS ±1 d ig i t **

PtB -199.9 to 500.0 -199.9 to 999.9

JPtA -199.9 to 500.0 -199.9 to 999. 9 ±0.1% FS ± 1 d i gi t * *
JPtB -150.0 to 150.0 -199.9 to 300. 0

0.4 t o 2 .0 V ±0.1% FS ± 1 d i g it
1 to 5 V

-10 to 20 mV
0 to 100 mV

0.400 to 2. 0 0 0

1.000 to 5. 0 0 0

0.00 to 10.00

-10.00 to 20.00

0.0 to 100 . 0

< 400°C : ±5% FS ± 1 d ig i t

< 0°C : ±0.2 5 % F S ± 1 d ig i t

Display range can be scaled between -1999 and 9999.

4 to 20 mA Inp ut

To accept a 4 to 20 mA signal, select 0.4 to 2.0 VDC input
and connect a 100 Ω resistor across the input terminals.

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Relay Outputs

RATINGS Out1: 250 VAC @ 3 A or 30 V DC @ 3 A ( resisti ve load)

Alarm: 250 VA C @ 1 A or 3 0 V D C @ 1 A ( r esis t i ve load)
ELECTRICAL NOISE A suppr ess or (snubber) s hould be connected to each

SUPPRESSION r elay co ntact switching induct ive loads, to prevent

disru p tion t o the micropr oces sor ' s operati on .

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 progr am t h e alarm r elay for hi gh or l ow trip p oin t

ALARM
DEVIATION ALARM User may pr ogram the alar m r elay f or a hi g h , l ow, or r an ge

set point d eivati on al arm .
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. T h e alarm relay m ay b e set to any al ar m typ e.
TIME DELAY 0 to 99 minutes 59 s econds 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.

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Retransmitting Output

OUTPUT RANGE Retransmitting: 4 to 20 m A ( 600 Ω maximum)
SCALING RANGE Any display range (see range for the input selected)
ACCURACY +0.1% of full scal e

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 inc remen t s user selectab l e
DATA 7 or 8 bit user selectable
PARITY None, even, or od d

Approvals

UL R E C OGN IZED USA and Canada

Process Control Equipment
UL F I L E N UMBER E244207
CE COMP L I A N T

10

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

2. Front Panel Buttons and LED Indicato rs

Control K ey s

KEY Function

SET/ENT
(ENTER)

S / T

(UP/DOWN)

W (SHIFT)

W RST

Pressing SET/ EN T key for at le a s t 3 s e c onds switches between the operating display and
the parameter s e t t i ng d i sp l a y. T h is ke y is use d t o verify and by pass parameter settings
when in the parameter group display.

Used to change the value of digits when setting parameters.
Used to move between parameter groups.

Used to move to the next digit when setting parameters.

Holding for 3 seconds will re set the l imi t co n t rol la t ch i n g r e l ay if it i s n o t i n a n over limit
condition. This will reset the time, maximum, and minimum display value s .

ALMOVER OUT

LED Display

LED Function

OVER

OUT
ALM

LED activated when the P V value is h igher than the limit setting if HI.LO is set to HI.
LED activate d wh e n t h e P V value is lo we r than t h e l imit s e t t in g i f H I.LO i s s e t t o L OW.
LED on while the latching relay is de-energized (when in over limit conditions for
reverse/failsafe mode).
LED on when the alarm relay energizes.

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

3. Para meter M ap

PwD: Lockout Pass word

?

Use the ST arrows to enter the

NOTE

password and press the SET/ENT
key. The default password is 0.

PWD

SET/

ENT

A

ST ST ST ST T

G.CTL

SET/ENT SET/ENT SET/ENT SET/ENT SET/ENT

SP

HI.LO

R.MD
O.ACT
R.HYS

SPRH

SPRL

LOCK

U.PWD

TMU

INIT

G.IN

IN-T
IN-U

IN.RH

IN.RL
IN.DP
IN.SH

IN.SL

IN.FL

BSL

RSL
BSP1
BSP2
BSP3

BS0
BS1
BS2
BS3
BS4

G.ALM

ALT1

AL-1

AL1.H

AL1.L
A1DB
A1DY

G.RET

RET

RETH

RETL

G.COM

COM.P

BAUD
PRTY

SBIT

DLEN

ADDR

RP.TM

: Optional feature

A

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

4. Operation Fl ow Ch a rt

Power On

Operation D i s p l ay

Group Dis p l ay

PV Valu e
SP Valu e

OUT

ON/OFF

TIME

**.**

ENT

ENT

ENT

(note 2)

(note 3)

PWD(note 1)

ENT 3 Sec

ENT key for
3 seconds or
no keystroke

for 60 sec

G.CTL

T

G.IN

S or T

HI

**.**

(note 4)

ENT

LO

**.**

(note 5)

note 1 :Initial disp la y at startup.
note 2:Output status f o r t h e l at c h i n g relay.
note 3 :The time that has passed since the PV last went over limit.
note 4:Highest PV value. U se d o n l y wh e n H I.LO paramete r i s se t t o H IGH.
note 5 :Lowest PV. Used only when HI.LO parameter is set to Low.

When setting unit parameters,
G.IN should b e se t u p p r i o r t o
any other parameters.

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5. Controller Parameter Setup

5.1 Input Group (G.IN)

PV

G.IN

!

CAUTION

PV

In-t

Input group parameters should be established first, as changes to the input type may reset other
parameter settings in o t h e r g roups to their default value.

Press SET/ENT key t o sel e c t input group. Pr e s s pre s s S or T key to cycle t hr o u g h
gro u p s a s sh o wn b e l o w. (Refer to p a r a me t e r ma p in s e ct i o n 3 .)

This parameter sele ct s t h e t y p e o f i nput sensor used. Its default setting is type TC.K1.
Refer to the fo l l o win g t a b l e s h o wi ng t h e t ype o f se n s o r i np u t s a n d se l e ct t h e d e s ired in p u t
type.

Table 1: Universal Input Selection

TYPE

K1
K2

J
E
T
R
B
S

L
N
U
W

PtA
PtB

PtC
JPtA
JPtB

1 to 5V

Temp.Range(ºC)

-200 to 1370

-199.9 to 999.9

-199.9 to 999.9

-199.9 to 999.9

-199.9 to 400.0

-199.9 to 900.0

-200 to 1300

-199.9 to 400.0

-199.9 to 850.0

-199.9 to 500.0

-19.99 to 99.99

-199.9 to 500.0

-150.0 to 150.0

No.

1
2
3
4
5
6
7
8

9
10
11
12

Platinel II

13
14
15
16
17
18

0.4 to 2.0 V

19
20

0 to 10 V

21

-10 to 20m V

22

0 to 100mV

23

4-20 mA Input Selection:

?

To accept a 4-20 mA signal, select 0.4 to 2.0 VDC input and connect a 100 Ω resistor across the input terminals.

NOTE

ST ST

PWD Q G.CTL Q G.IN

K R

G.COM Q G.RET Q G.ALM

ST ST

Temp.Range(ºF)

-300 to 2500
0 to 2300

-300 to 2300

-300 to 1800

0 to 1700
0 to 1800
0 to 1700

0 to 2300

0 to1390

-10.00 to 20.00mV

-300 to 750
32 to 3100
32 to 3300
32 to 3100

-300 to 1600

-300 to 2400

-300 to 750
32 to 4200
32 to 2500

-300 to 1560

-199.9 to 999.9

-4.0 to 212.0

-199.9 to 999.9

-199.9 to 300.0

0.400 to 2. 000V

1.000 to 5. 000V

0.00 to 10. 0 0 V

0.0 to 100.0mV

STT

display range : -5% to 105%

Group

DISP

TC.t1
TC.t2

1

1
TC.J
TC.E
TC.T
TC.R

Thermocouple

TC.B
TC.S
TC.L
TC.N
TC.U
TC.y

-

TC.PL

RTD

(0.00385)

RTD

(0.00392)

VDC

mVDC

PTA
PTB
PTC

JPTA
JPTB

2v
5v

10v

20Nv
100n

-

-

-

-

n

-

-

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

PV

IN-U

PV

IN.RH

PV

IN.RL

PV

IN.DP

PV

IN.SH

PV

IN.SL

PV

IN.FL

PV

BSL

PV

RSL

This parameter sets the display temperature unit for ºC or ºF.
Its default selection is ºC.
Refer to Table 1 when changing t h e t e mp eratu r e unit for the t e mp e r a t u re input range.

This paramete r se t s t h e h ig h l imi t o f t h e t e mpe ratu r e d is p l ay range (maximum temperature
displayed). F o r mV and V inputs, this sets the value of the high input of the input scale
defined in In.SH.

This para me t e r s et s t h e lo w l i mit o f t h e t e mpe rature dis p la y ran g e ( min i mu m te mp e r a t u re
displayed). Fo r mV a nd V i n p u t s, t h i s s e ts t h e lo w i n p u t o f t h e in p u t s ca l e de f i ned in In.SL.

This parameter set s t h e p o si t io n o f t h e d e c ima l p o i n t f o r mV o r V inputs. The position of
the decimal point can be set as 9999, 999.9, 99.99, or 9.999. Its default set value is 1.

This para me t e r s e t s the high l imi t of the mV o r V d i sp l a y s ca l e . This value will be
displayed when the input is set to the high input established in In.rH.
Its default value is 100.0.

This parameter se t s t h e lo w l imi t o f t h e mV o r V d i sp l a y s ca l e . This value will be display e d
when the input is set to the low input established in In.rL.
Its default value is 0.0.

This para me t e r s e t s th e PV filter for stabilizatio n fr o m electromagnetic noise and
interference. Th is will ef fe ct t he r a te o f change of the PV display v alue. Its default setting
is OFF, and ca n b e s e t f r o m 1 t o 1 20 sec o n ds.

This parameter to establishes PV behavior when an open input sensor is detected. When
BSL is set to U P , t h e P V o p e r a t e s a s i f a t t h e h ig h i nput range. When BSL is set to
DOWN, the PV operate s a s i f a t t h e lo w i nput range. I t s default setting is UP. In the case
of mV or V inputs, the default setting is OFF. An open sensor check is not performed in 10
V, 20 mV, or 100 mV input settings.

This parameter deter min e s if R J C f o r t h e rmocouple inputs is used. RJC can be turned
on or off. Its d e f a u lt s e t t in g i s ON.

PV

BSP1

PV

BSP3

PV

BS0

PV

BS4

This parameter sets where t he P V b ia s p o in t s o cc u r . S e e F i g 1 a n d F ig 2 f o r fur t h e r
information about input bias operation.

.

.

.

This parameter sets t h e b ia s value at t h e c o r r e s ponding bias point input values. These
parameters esta blish th e value of the o ffset at e ach of the def ined BSP1 - BSP3 poin ts .

.

.

.

See Fig 1 and Fig 2 for further information about input bias operation.

15

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

0ºC = BS4

-3ºC = BS3

+1ºC = BS2

-2ºC = BS1

0ºC = BS0

Example 1:

Example 2:

Original Tempe r a t u r e

-2ºC

RL BSP3 RHBSP1 BSP2

The original temperature is shown within the range of 0ºC (Range Low) and 100ºC (Range High).
Bias point s h a ve been used to adjust the displayed temperature as shown in the graph in Fig 1.

To establish this bias, the settings are shown below.

0ºC = BS4

50ºC = BS3

10ºC = BS2

10ºC = BS1

0ºC = BS0

Tempe r a t u r e B ias Value (B S 0 t hrough BS4) = Temperature After Bias - Actual Temperature
Display temperature after bias at 600ºC actual temperature = P

25ºC

Fig 1: Temperatu r e B i a s

Temperature Settings to Establish Where the Bias Occurs
RL BSP1 BSP2 BSP3 RH
0ºC 25ºC 50ºC 75ºC 100ºC
Bias Offset for Each Point
BS0 BS1 BS2 BS3 BS4
0ºC -2ºC +1ºC -3ºC 0ºC

+10ºC

BSP1

100ºC0ºC 500ºC 800ºC 1000ºC

Fig 2: Bias Formula Calculation

P = 600 + (600 - BPS2) x

P = 600 + (600 - 500) x

+1ºC

50ºC 100ºC

Temperature After Bias

+10ºC

+PºC

Original

600ºC -

Temp

BSP2 BSP3RL RH

BS3 - BS 2

BSP3 - BSP2

50 - 10

800 - 500

-3ºC

Temperature

After Bias

75ºC0ºC

+50ºC

Original

Temperature

+ BS2

+ 10 = 623ºC Temperature After Bias

BS4

16

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Input Group Parameter Summary

Display Parameter

IN-T

Input Type

IN-U

Display Unit

IN.RH

IN.RL
IN.DP
IN.SH

IN.SL
IN.FL

BSP1
BSP2
BSP3

NOTE

Max PV

Display R ange

Min PV

Display R ange

Decimal Point

Position

Max Input

Value Scale

Min Input

Value Scale

PV Filter

Open Sensor

BSL

Behavior

RSL

RJC Operation

Reference Bias

Point 1

Reference Bias

Point 2

Reference Bias

Point 3

Bias Value for RL

BS0
BS1
BS2
BS3
BS4

?

Point

Bias Value a t

BSP1

Bias Value a t

BSP2

Bias Value a t

BSP3

Bias Value

at RH

There are two types of engineering units values used in the setting of parameters, absolute
engineering units (AEU) and general eng inee r i n g u n it s ( GEU) . An A E U p a r a me t e r i s s e t u si n g a n
absolute value engineer i n g u n it t h a t r e p resen t s a s p e ci f i c p o i n t , su c h a s a s pe c i f ic t e mpe rature or
voltage level. An GEU parameter is set using engineering units, however it is a general value, and not
tied to any input or output level.

For example: When establishing input bias, parameter BSP1 sets the specific PV value where bias
point one will occur. This par amete r h as a u nit d esigna tion of AEU . BS1, th e amount of o ffse t at BSP1
is set in engineer in g u n i t s, h o we ver this p aramete r occu r s a t wh a t e ver BSP1 is set to, and therefore
does not have an absolute setting related to any input or output, it is just the amount of offset at where
BSP1 occurs. While one is related to an absolute input value, and the other stand alone value, both are
set as engineering units, such as BSP1 set as 100ºC and BS1 set as 3ºC.

Refer to Table 1: Universal Input Selection

Decimal position determined by IN.DP

Setting Range

ºC / ºF

Within sensor i n p u t r ange

Refer to Table 1

INRH > INRL

0, 1, 2, or 3

-1999 to 9999
INSH > INSL

OFF, 1 to 120

OFF, UP, DOWN

ON, OFF

AEU (0.0 to 100.0%),

RL≤BSP1≤BSP2 ≤BSP3≤RH

AEU (0.0 to 100.0%),

RL≤BSP1≤BSP2 ≤BSP3≤RH

AEU (0.0 to 100.0%),

RL≤BSP1≤BSP2 ≤BSP3≤RH

GEU (-100.0 to 100.0%)
GEU (-100.0 to 100.0%)
GEU (-100.0 to 100.0%)
GEU (-100.0 to 100.0%)
GEU (-100.0 to 100.0%)

Unit Default Remark
ABS TC.K1
ABS

ºC

T/C, RTD
AEU 1370
AEU -200

ABS 1 mV, V

100.0 mV, V

ABS

0.0 mV, V

sec OFF

AEU
AEU
AEU

Not Used for

VDC input

Only Used for

TC In pu t

ABS UP
ABS ON
AEU

(100.0%)

AEU

(100.0%)

AEU

(100.0%)

GEU 0
GEU 0
GEU 0
GEU 0
GEU

0

17

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5.2 Control Group (G.CTL)

PV

PV

PV

PV

PV

PV

PV

PV

PV

Press SET/ENT key to sele ct c o n t r o l g roup . ( R e f e r t o p a ramete r map in se c t io n 3 . )

ST ST

PWD Q G.CTL Q G.IN

K R

G.COM Q G.RET Q G.ALM

ST ST

This parameter estab l is h e s t h e se t p o i n t f o r l imi t operation. T his is the value set as the
operating limit that will trigger the latching l imi t co n t rol re l a y . The para me t e r HI . L O s e t s i f
this is a high limit o r a l o w l imi t.

This parameter estab l is h e d t h e se t p o in t a s a h ig h o r low limi t value. I f s e t a s a high limit ,
the unit will conside r the input beyond the set limit when PV > SP. If set as a low limit, the
unit will consider the inp ut b ey ond the set limit when PV < SP.

This parameter determin e s t he s t a t u s o f t h e l a t ch i n g r e l a y (OUT1) when the unit is turned
on. If R.MD i s s e t a s ON, t h e ou t p u t c ondition will be a functio n th e PV and SP as normal.
If OFF, the output will enter over limit condition until reset. To set the condition of the relay
in normal and over li mit c o n d it i o n s, refer to pa ramete r O.A C T below.

This parameter sets the operation for t h e li mit c o n t r o l l a t c hi n g r e l a y (OUT1). I n r e verse
(failsafe) operation, the control relay is energized dur ing normal conditions. In forward
operation, the control relay is energized during over limit conditions. The default setting is
REV. See Fig 3 and 4 for a illustrat ion showing r everse and forward operation.

This parameter sets t h e h y s t e r e si s f o r t h e li mit c o n t r o l . When returned wi t h i n t h e l i mit
range after b e in g o ver the s e t li mit , t h i s i s a n ad d i t i onal amount below the limit that the PV
must reach befo r e t h e l a t ch i n g r e l a y c a n b e r e se t and the O VER LED turns off.

This parameter se t s a h ig h l imi t o n wh a t t h e se t p o i n t s c a n b e p rogr a mmed o r changed to.
This value may reset if the t y p e o f i nput is changed, or if parameter IN.RH or I N.RL
(IN. SH or IN.SL if input type is mV or V) is changed.

This par a me t e r se t s a lo w l imi t o n wha t t h e s e t p oi n t s c a n b e p r o g r a mme d o r chan ged to.
This value may reset if the t y p e o f i nput is changed, or if parameter IN.RH or I N.RL
(IN. SH or IN.SL if input type is mV or V) are changed.

Turning ON this parameter locks all other settin gs fr o m being changed. T his applies to
the operation displa y f u n c t i on s , su c h a s c hanging the set point, as well as setting group
parameters. The de f a u l t se t t i n g is O F F.

STT

PV

!

CAUTION

This parameter estab l is h e s t h e p a s swo r d f o r the co n t r o l le r. T h i s p a s swo rd must b e
entered at the PWD screen before accessing the control group (G.CTL) or it will not
access the settin g gr o u p s a f t e r the P WD p r o mp t . The d e f a u lt s e t t in g i s " 0 " . S e e t h e
parameter map in section 3 for the location of the PWD prompt in the group menus.

Be sure not to f o rget t h e p a s swo rd onc e it h a s been set. I f the password is forgotten, contact
technical support as listed on the back of this manual.

18

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

PV

PV

!

CAUTION

This parameter set s t h e t ime u n i t s t h e c on t rolle r u s e s f o r p a ramete rs with t ime
components. This can be s e t t o the fo rmat of H H . M M (hours.minu t e s ) o r M M . S S
(minutes.seconds). Its d e f a u l t se t t i n g is H H . M M .

This parameter resets most par a me t e r s t o t h ei r f a c t o r y sett i n g s. To reset t h e co n t rolle r ,
set this parameter to ON. Afte r res et , i t will r et ur n t o t he O F F set tin g.

Most parameters will be rese t t o t h e ir def a u lt s e t t in g s when the controller is initialized. Note the
current settings before this is do n e so t h e y can e a s il y b e resto r e d a f t e r cont r o l le r init ia l izatio n .

5-2-1 Limit Control Features and Operations

5-2-1-1 Operation of Limit Functions when O.ACT = REV, HI.LO = HIGH, R.MD = OFF

The following illustration sho ws how each asp ect o f t he limit cont ro l fu nctio ns b eha ve under over limit circumstan ces.
1 .Power supplied to th e co n t rolle r . The OUT LED t u rns on .

2 .The PV surpasses the SP. The OUT LED t u r n s o n . t h e O V E R L ED t u rns on . The latch in g l imi t co n t rol re l a y de-

energizes. The time begins being recorded.
3 .The PV falls below th e l imi t a n d h y s t e r e si s le vels. T h e O V E R L ED t u rns off. T he time count stops.
4 .The PV surpasses the SP . The O V E R L E D t u r n s o n . The time count r esets and begins again.
5 .The PV falls below the l imi t a n d h y s t e r e s is le vels. the OVER L E D t u r n s o ff. T he time count stops.

When the rest butt o n i s p r e s se d f o r 3 seconds, and the PV is below the SP, the OUT LED will turn off, and the limit control
relay will energize.

Reset

Pressed

(not accepted)

Reset

Pressed

1

Reset

Pressed

2 3 4 5

SP

HYS

PV

ON

Powe r
to Un it

OFF

ON

OUT
LED

OFF

ON

Limit

Control

Relay

OFF

ON

OVER

LED

OFF

Time

Count

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

19

Time Rese t b y U s e r

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5-2-1-2 Operation of Limit Functions when O.ACT = FWD, HI.LO = HIGH, R.MD = OFF

The following illustration sh ows how ea ch asp ect of t he limit cont ro l fu ncti ons behave under over limit circumstances when
O.ACT is set to FWD operation.

1 .Power supplied to t he contr o l le r. T h e l imi t co n t r o l r e l a y e n e rgiz e s.

2. The PV surpasses the SP. The OUT LED turns off. the O VER LED turns on. The latching limit control relay energizes.
The time begins being recorded.

3 .The PV falls below th e l imi t a n d h y s t e r e si s le vels. T h e O V E R L ED t u rns off. T he time count stops.
4 .The PV surpasses the SP . The O V E R L E D t u r n s o n . The time co u n t r e s e t s and begins again.
5 .The PV falls below the l imi t and hy steresis levels. the OVER LED turns off. The time count stops.

When the rest but t o n i s p r e s se d f o r 3 sec onds, and the PV is below the SP, the OUT LED will turn on, a nd t he limit contr o l
relay will turn of f.

HYS

Powe r
to Un it

OUT

LED

Limit

Control

Relay

OVER

LED

Time

Count

Reset

Pressed

(not accepted)

Reset

Pressed

1

Reset

Pressed

2 3 4 5

SP

PV

ON

OFF

ON

OFF

ON

OFF

ON

OFF

Time Reset by

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

User

20

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5-2-2 Limit Status Display and Reset Functions

The condition of t he o u t p u t c a n b e se e n b y pre ss in g t h e S E T/EN T as sh o wn in t h e Oper a t io n Flow Ch a r t i n s ec t i o n 4 .
The output stat u s d i sp l a y refers to t h e c on d i t i on o f t h e l imi t co n t rol re l a y outp u t .

The outp u t d i sp l a y h a s t wo conditions, OFF and O N.
In the OFF condition:

In the ON condition:

To reset the limit control re la y aft er the PV h a s gone over limit, it must be within the set point limit. Pressing the reset
button for 3 seconds will return the limit cont ro l r elay t o O F F .

Normally Closed (NC) Te r mi n a l: Close d
Normally Open (NO) Te r mi n a l: Op en

Normally Closed (NC) Te r mi n a l: OPE N
Normally Open (NO) Te r mi n a l: CLOSED

In the following illustration of outpu t oper a t i o n , H I.LO i s s e t t o H IGH, O.ACT set to R E V, and R.MD set to OFF .

SP

PV

ON

OVER

LED

OFF

ON

OUT

LED

OFF

ON

Limit

Control

OFF

Relay

Power On

(R.MD set to OFF)

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

Reset

Presse d f o r

3 seconds

Reset Pressed

for 3 seconds

(not accepted,

PV > SP)

Reset

Presse d f o r

3 seconds

5-2-3 Over Limit Timer

The time th e P V h a s been ov er the SP limit is displayed in the operation display as shown in the Operation Flow Chart
in section 4.

When the PV exceeds the SP value, the over limit timer begins operation. This will record the time th at t he PV is o ver
the SP. If the PV r e t u r n s t o wit h i n t h e SP l imi t , t he t i me r will st op. I f follo wing th is th e PV on ce ag ain exceeds the SP,
the timer will reset, and begin timing again.

The time p a ss e d cannot be r eset while the PV is over the SP limit. If the PV is under the SP limit, the time count can
be reset with the reset key.

The timer displ a y range is:

0.0 - 999.9 min (HH.MM)

0.0 - 999.9 sec (MM.SS)

5-2-4 Maximum or Minimum PV Valu e D i s play

The maximum or minimum PV values are displayed in the operation display. Refer to the Operation Flow Chart in
section 4.

If set for a high limit with H I.LO set t o H IGH, t h e ma ximum PV va l u e will be displa y ed . I f set for a low limit with HI.LO
set to LOW, the minimum PV va lue will be disp lay ed . This va lue ca n be r eset with th e r ese t ke y while in t h e disp l ay
screen.

21

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Control Group Parameter Summary

Display Parameter

SP Limit Set Point

High or Low Limit

HI.LO

Operation Selection

R.MD

Restart R e l a y M o d e
O.ACT
R.HYS

U.PWD

Reve rse and

Forward Operation

Hysteresis Value

SPRH

SPRL
LOCK

TMU Time Unit

INIT

Set Poin t

Range High

Set Poin t

Range Low

Parameter Lock
User Passwo rd

Factory

Initialization

Setting Range

AEU (0.0 to 100.0%)

HI, LO

ON, OFF

REV, FWD

GEU (0.0 to 10.0%)
AEU (0.0 to 100.0%)
AEU (0.0 to 100.0%)

OFF, ON
0 to 9999

HH.MM, MM.SS

OFF, ON

Unit Default Remark

AEU (0. 0%)

AEU
ABS HI
ABS OFF

ABS REV

GEU (0.5%)

GEU

AEU

AEU

(100.0%)

AEU AEU (0.0%)
ABS OFF
ABS 0
ABS HH.MM
ABS OFF

22

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5.3 Alarm Group (G. A L M )

PV

PV

PV

PV

PV

PV

PV

?

Alarm Types and LED Display

NOTE

SP

AH.FS

Press SET/ENT key to select a l a r m g r oup. ( Refer to par ameter map in section 3.)

ST ST

PWD Q G.CTL Q G.IN

K R

G.COM Q G.RET Q G.ALM

ST ST

The parameter to set the type of alarm to be set for alarm 1.
The types o f al a r ms se l e ct a b l e a r e s h ow n i n Table 3: A l a r m Se l e c t io n .

The parameter to set the al a r m t rigge r p o i n t f o r t h e a l arm set i n AL T1.
This parameter disp la ys if a h ig h , l o w, o r h ig h and low limit alarm was selected for ALT1.

This establishes the high deviation range to trigger the alarm of deviation. T his parameter
displays if a deviation alarm was selected in ALT1.

This establishes the low deviation range to trigger the alarm of deviation. This parameter
displays if a deviation alarm was selected in ALT1.

The paramete r to se t t h e dead band (H ysteresis) of alarm 1.

The parameter to se t t h e d e la y time b e f o r e o f a l a r m 1 i s t r i g g e r e d .

Alarm Output Settings:

- Forward: Relay energ ized in a l a r m c ondition

- Rever se: Failsafe operation. Re l a y energiz ed during normal
operatin g conditions

S indicates standby operation
F for forward operation

r for reverse (failsafe) operation

Decimal point always displaye d

H indicates a high alarm
L indicates a low alarm
o for outside range of deviation band
I for inside r a n g e o f d e viation b a n d

A indicates an absolute value alarm
d indicates a deviation alarm

Standb y Operation:
The alarm will not trigger if the alarm condition
occurs during the fo l l owi n g a ct i vities.. .

- during power-up

- the set point is changed

- the type of alarm is changed

STT

23

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Table 3: Alarm Selection

No. Alarm Type

1

Absolute V a lu e H i g h L imi t Al a r m

2

Absolute Value Low Limit Alarm

3

High Limit Dev i a t i on A l a r m

4

Low Limit Deviation Alarm

5

High Limit Dev i a t i on A l a r m

6

Low Limit Deviation Alarm
High and Low Limit Deviation Alarm7
High and Low L imi t R a n g e D e viation Al a r m8

9

Absolute V a lu e H i g h L imi t Al a r m

10

Absolute Value Low Limit Alarm

11

Absolute Value High Limit Alarm with Standby

12

Absolute Value Low Limit Alarm with Standby

13

High Limit Deviation Alarm with Standby

14

Low Limit Deviation Alarm with Standby

15

High Limit Deviation Alarm with Standby

16

Low Limit Deviation Alarm with Standby

17

High and Low Limit Deviation Alarm with Standby

18

High and Low Limi t R a n ge Dev i a t io n A la rmwith S tandb y

19

Absolute Va lu e H i g h L imi t A l a r m wit h S tandby

20

Absolute Value Low Limit Alarm with Standby

Operation

For

3
3
3
3

3
3

3
3
3
3

3
3

Rev

Standby

On

3
3
3
3

3

3

3

3
3
3

3

3

3

3

3
3

3
3

Off

3
3
3
3
3
3
3
3
3
3

Display Dat a

AH.F

AL.F
DH.F
DL.F

DH.R

DL.R

DO.F

DI.F

AH.R

AL.R

AH.FS
AL.FS

DH.FS

DL.FS

DH.RS

DL.RS
DO.FS

DI.FS

AH.RS

AL.RS

PV High

Limit Alarm

PV Low

Limit Alarm

High and Low

Limit D evi a t i o n

Alarm

High and Low

Limit Range

Deviation

Alarm

DEV

-

DEV

-

PV

PV

W OFF

W ON

ALM.L

W OFF

W ON

ALM

S

ONX

DB

S

ALM

DB

S

OFFX

DB

OFFX

ONX

DB

S

ALM.L

Fig 6: Alar m Operation

DEV=0

U

SP

DEV=0

U

SP

24

High Limit

Deviation

Alarm

Low Limit
Deviation

Alarm

W OFF

W ON

ALM.H

DEV

U

-

W OFF

SP

W ON

DEV

USPS

- +

ALM.L

ONX

DB

S

ALM.H

DB

S

OFFX

ONX

DB

S

ALM.H

DB

OFFX

+

+

+

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Alarm Group Parameter Summary

Display Parameter

ALT1

Alarm Type 1 Refer t o Table 3 : A l a r m S e le c t i o n ABS AH.F

AL-1

Set valu e of ALT1

High Deviation

AL1.H

Limit of Alarm 1

Low Deviatio n

AL1.L

Limit of Alarm 1

A1DB

Alarm 1 DB

Delay Time of

A1DY

Alarm 1

Setting Ra n g e

AEU (-10 0 . 0 t o 1 0 0 . 0 %)
GEU (-100.0 to 100.0%)
GEU (-100.0 to 100.0%)

GEU (0.0 to 100.0%)

0.00 to 99. 5 9

Unit Default Remark

AEU EU (100.0%)
GEU EUS (0.0 % )
GEU EUS (0.0%)
GEU EUS (0.5 % )

MM.SS 0.00

Absolut e

Value Alarm

Deviation
Deviation

Alarm
Alarm

25

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5.4 Retransmission Group (G.RET)

PV

PV

PV

PV

PV and SP Ty p e R e tran s miss i o n S c a l e

?

PV type retransmits based on the input value, SP retransmits based on the set point value.

NOTE

4.0 mA

RETL

LPS Type Retransmission

LPS (Loop Power Suppy) retransmitting outputs will transmit a 14-18 VD C @ 2 0 mA power sup ply ou tpu t.

Press SET/ENT key to sele ct retr a n smi ss io n g r o u p . (Ref e r t o p a r a me t e r ma p . )

ST ST

PWD Q G.CTL Q G.IN

K R

G.COM Q G.RET Q G.ALM

ST ST

This parameter se t s t h e t y p e o f retr a n smi ss io n mode to use. T he setting options are PV,
SP, and LPS. See notes below for an explanation of the retransmission type s .
The defaul t se t t i n g is P V.

These parameter s a r e u s ed t o s ca l e t h e r e t ransmit t i n g o u t p u t . They s e t t h e h ig h a n d l o w
limits for the retr a n smi ss io n o u t p u t s ca l e , a s s h o wn b e lo w. The retransmit t i n g o u t p u t s wi ll
transmit 4 mA at the low limit (RETL) and 20 mA at the high limit (RETH) values. These
limits are u se d when the r etransmission type is set to PV or SP.

12.0 mA

STT

20.0 mA

RETH

Retransmission Group P a r a mete r S u mmary

Display Parameter

RET

Select Ret Type

RETH

RETL

Ret Sc al e

High Limit

Ret Sc al e

Low Limit

Setting Range

PV, SP, LPS

T/C, RTD: INRH to INRL

mV, V: INSH to INSL

RETH > RETL

Unit Default Remark
ABS PV
AEU INRH
AEU INRL

26

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

5.5 Communication Group (G.COM)

PV

PV

PV

PV

PV

PV

PV

PV

Press SET/ENT key t o s e le c t co mmu n ic a t io n g roup. (Refer to parameter map.)

ST ST

PWD Q G.CTL Q G.IN

K R

G.COM Q G.RET Q G.ALM

ST ST

STT

The parameter to select the type of communication protocol to be used.

The parameter to set the communication speed (baud rate).
The baud rate can be set at 600 to 19200 bps (bytes per second).
The default se t t i n g is f o r 9600 bps.

The parameter to set communication parity.
This can be set to NONE, EVEN, or O DD.
The default setti n g is N O N E .

The parameter to set the communication stop bit.
This can b e s e t a s 1 o r 2 .
It is initially set as 1.

The parameter to set the communication data length.
This can be set to 7 o r 8 . The defa u l t se t t i n g is 8 .
This parameter is not d is p la yed when the communication protocol (COM.P) is set for
MODBUS ASCIII or RTU.

The paramete r to se t t h e c o mmun i ca t i o n a d dress f o r t h e co n t rolle r .
This can b e s e t a s 1 t o 9 9 p cs address.
Its default s e tt i n g i s 1 .

The parameter to set communication response time.
The RP.TM is the delay t o r e t u rn dat a t o t h e u p p e r l e vel dev i ce a f t e r pro ce s si n g
commands received from the upper level device.
The setting RP.TM i s b a s e d o n t h e nu mb e r of 10 ms in t e r vals to d e la y (example: a s e t t in g
of 2 will result in a 20 ms de l a y ). I f R P . TM is se t t o 0 i t will immediately r et ur n a r esponse
once the command processing is complete.

27

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Communication Group Parameter Summary

Display Parameter

Setting Range

Unit Default Remark

Communication

COM.P

BAUD
PRTY

SBIT

DLEN

ADDR

RP.TM Response Time

Protocol

Baud Rate 600, 1200, 2400, 4800 , 9600, 1 9 2 0 0 ABS 9600 Option

Parity

Stop Bit

Data Length

Address

PCC0, PCC1, Modbus ASCII,

Modbus RTU

None, Even, Odd

1, 2

7, 8 (not used when set for MODBUS)

1 to 99 (maximum of 31 connected at on c e )

0 to 10 (number of 10ms intervals)

ABS PCC0 Option

ABS None Option
ABS 1 Option
ABS 8 Option
ABS 1 Option
ABS 0 Option

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

6. Error Display and Correction

Error Message Action Needed

E.SY S Needs Re p a ir

E.RJC Needs R e p a ir

SP Decimal

Flashing

S.OPN Check Sensor

Error In c i dent

EEPROM, D a t a L o ss

RJC Sensor Failure

Communication Failure

Open Sensor Detected

Check Comm Cable

29

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7. Installation

7.1 Dimensions and Panel Cutouts

PD578

1/4 DIN

(3.78)

(4.23)

(3.61x3.61)

(3.78) (0.45)

(4.72)

(4.72)

(3. 62)

(3.62)

m

Units: m

(3.92)

(3.62)

(3.78XN)

(inch) - for reference on ly

30

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

PD570

1/16 DIN

(1. 76X1.76)

(1.89)

(1.89)

(2.17)

(0.43) (3.92)

(2.76)

(1.77)

(2.76)

(1.77)

(1.89XN)

(1.77)

Units: m

m
(inch) - for reference on ly

31

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.2 Panel Mounting

PD578

Mounting Bracket

Panel

PD570

Panel

Installation Steps

1. Cut the mounting panel. (Refer to 7.1 Dimen s io n s a nd Panel Cu t o u t s)
2 . Inser t th e controller through the front o f t h e panel rear terminals first.

3. On applicable models, attach the right and lef t mo u n t i n g b racke t and secure it to t h e pane l .

4. On 1/16 DIN controller models, slide the mounting bracket onto the back of the controller as shown, and slide it
forward on the contr o l le r unti l t h e b racke t lo cks in p lace , a nd t he cont r oller is se cur e.

Do not excessively tighten the mounting bracket screws. Excessive tightening may lead to

!

CAUTION

controller or p a n e l d a ma g e .

Mounting Bracket

32

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.3 P o w e r Cable Specific at i on

Make power connections using 0.9 to 2.0 mm2 or 16 AWG vinyl insulated wire. (Voltage rating of 300 VAC)

7.4 Terminal Specific at ion

Use M3.5 scr e w- c o mpa t i b le c r i mp o n t e rminals wit h i n su l at i n g sl e e ve as shown be l o w.

Minimum Diameter

3.0 mm

(0.118 in )

Maxi mu m

Measurement

Use copper conductors only if the terminal is for connection to copper wire only.

Always turn off t h e so u r c e ci r c u it b reake r and check to ensure the power is off to the controller through the
use of a tester pr i o r t o wo r k i n g o n t h e wi r i n g t e r min a l s.

!

CAUTION

Bind the wires connected to the controller terminals neatly together in order to

!

CAUTION

prevent el e ct r o magnetic interference.

5.8 m m

(0.228 in)

z Never touch the terminals in the rear panel when power is supplied to the controller.
z Be sure to tur n o f f th e electric power b e f o re wiring an y ter min a l s.

Note: Inch e s f o r ref e r e n c e o n l y.

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PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.5 Terminal Assignment, Connec t ion s, and Rating s

PD578

Rating: 250 VAC @ 3 A

30 VDC @ 3 A

-

100 - 240 VAC 50/60 Hz

Rating: 250 VAC @ 1 A

30 VDC @ 1 A

-

Max: 19200 b p s

34

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

PD570

-

-

Max: 19200 b p s

Rating: 250 VAC @ 3 A

30 VDC @ 3 A

100 - 240 VAC 50/60 Hz

Rating: 25 0 VA C @ 1 A

30 VDC @ 1 A

35

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.6 Grounding and Power Cable Connection

 Use a thick g r ounding cable of at least 2 mm2 or 14 AWG and shorter than 20 m (approximately 22 ft) for class-3

grounding or better with a gr o u nd i n g r e s is t a n ce o f l e ss t han 100 Ω .

 Be sure to ground from the grounding ter minal to an independent grounding point. (1 point grounding)
 Use 0.9 to 2.0 mm2 or 1 6 A WG vinyl insu l a t e d wire (Voltage rating 300V AC ) or t h i ck e r f o r p o we r cable c o n n e ct i o n .

L

!

CAUTION

!

CAUTION

N

FG

CAUTION

To prevent electric shock, b e su r e t o t u rn off p o we r to t h e Nov a C o n t r o l le r and t he s o u r c e ci r c u it b reake r
before wir i n g .

 Be sure to connec t t o co rrect p o l a r i t ie s . C o n n e ct i n g t o a wr o n g p o la rity ma y c a u se d a mage or malfunction.
 Use shielded wires an d g r o und the shielding to an independent grounding point.
 Keep the input signal and output wiring as far as possible away from the power and ground circuit.
 Use a wire with low conductive r esistance and no three-wire resistance differential.

Be sure to connect L (Hot), N (neutral), and GND (gr ound) as indicated.
Failure to wire th e po we r and ground as indicated could result in damage

!

to the controller.

7.7 Signal Input Connection

(1) RTD Input (2) DC Voltage Input

SHIELD

A
b

RTD

INPUT

B

NOVA

SHIELD

V

+

INPUT

­NOVA

(3) DC Current Input

SHIELD

DCmA R

To accept a 4-20 mA s ignal, select 0.4 to 2.0 VDC input and

connect a 100 Ω resistor acro s s t h e i nput terminals as shown.

+

-

INPUT

NOVA

36

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.8 Retransmis sion Output Connection (RET)

To prevent electric shock, b e su r e t o t u rn off p o we r to t h e Nov a C o n t r o l le r and the source circuit breaker

!

CAUTION

CAUTION

CAUTION

before wir i n g .

 Be sure to connect to correct polaritie s . Conn e ct i n g to a wron g pola r i t y ma y cause a cont r o l le r malfu n c t io n .

!

 Use shie ld e d wir e s for t h e wiring and connect independently to ground (1 point grounding).

4 to 20 mADC, 600 Ω max
or 14-18 VDC @ 20 mA max

SHIELD

+

Receiver

(Recorder, et c )

To prevent electric shock, b e su r e t o t u rn off p o we r to t h e Nov a C o n t r o l le r and the source circuit breaker

!

before wir i n g .

RET+

-

RET-

NOVA

7.9 Relay Output Connection (RELAY)

Relay: NO - Normal l y Open Connection

COM

Relay: NC - Normal ly Clos e d C o nnection

NOVA

!

CAUTION

To prevent electric shock, b e su r e t o t u rn off p o we r to t h e Nov a C o n t r o l le r and the source circuit breaker
before wir i n g .

37

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.10 Use of an E xtern al R elay

Switching Inductive Loads
When using switching in ductive loads, the use of RC networks (snubbers) for AC loads or diodes for DC loads is

recommended to prevent disrup t in g t h e mic r o p roces so r ' s o p e r a t i on . The supp r e s so r s a ls o p r o l o n g t h e li f e o f t h e
relay contacts. Suppression can be obtained with resistor-capacitor (RC) networks or diodes assembled by the
user or purchased as complete assemblies.
For AC loads, choose R and C as follows:
R: 0.5 to 1 Ω for each volt across the contact
C: 0.5 to 1 μF for each amp through closed contacts

Notes:
1 . Use capacitor s r a t e d f o r 250 VAC.

2. RC networks may affect load release time of solenoid loads. Check to confirm proper operation.
3 . RC networks are av a i la b l e f r o m P r e ci s io n D i g it a l and should be applied to each relay contact switching an

inductive load. Part number: PDX6901.

If the load inductance is ov e r t h e c o n t r o l le r s p e ci f i ca t i o n s, t h e o u t p u t ma y need a RC filter (snubber) or

!

CAUTION

diode to properly handle frequent relay switching operations.

(1) DC External Relay

Controller

Relay

!

CAUTION

(2) AC External Relay

CAUTION

(Verify relay coil ratings are l e s s t h a n t h e voltage a n d c u r rent ratin g s o f t h e relay
contacts of th e c o n t r o l le r)

Controller

Relay

!

(Verify relay coil ratings are l e s s t h a n t h e voltage and curr ent ratings of the relay
contacts of th e c o n t r o l le r)

External DC

power

R

External AC

Powe r

R

!

CAUTION

Diode
(Connect directly t o the rela y c o i l t e rminals )

!

CAUTION

CR Filter (snubber)
(Connect directly to t h e relay c o i l t e r mi n a ls )

38

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

7.11 Communication Wiring (RS-485)

Terminatin g Resisto r

 Up to 3 1 slav e controllers ( N o va series controllers eq u i pped with the RS-485 serial communication

option) can be connected.

 Be sure to connect terminating resistors (220 Ω, 1/4 W) t o s la ve and ma st e r controllers at

communication channel ends as shown abo ve.

!

CAUTION

Master St a t i on NOVA Controll e r

RTX+
RTX- RTX- RTX-

SG

SHIELD

To prevent electric shock, b e su r e t o t u rn off p o we r to t h e Nov a C o n t r o l le r and t he s o u r c e ci r c u it
breaker be f o re wiri n g .

RTX+

SG

NOVA Controll e r

RTX+

Terminatin g Resisto r

SG

39

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Table of D-Registers:

The following data re g i st e r s a r e u s e d t o d irect t h e U S 1 an d U S 2 c o mmands or for Modbus communication.

PROCESS FUNCTION SET POINT SIGNAL ALARM PID IN/OUT

NO.

0 100 200 300 400 500 600

0

NPV SP ALT1 IN-T1
NSP INT-U2

NOWSTS RSL10

SPRH A1DB BSP111
SPRL BSP212

ALSTS TMU14

20

22
23
24
25

27
28
29
30
31
32
33
34
35

LOCK37

HI.VALUE38

LO.VALU E39

KEEP.TIME40

HI.LO41
R.MD42

43

IN.RH3

IN.RL4
IN.DP5

AL-1 IN.SH6

IN.SL7
IN.FL8

BSL9

BSP313

BS015

A1DY BS116

BS217
BS318
BS419

AL1.H21

AL1.L26

O.ACT36

40

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

PROCESS FUNCTION SET POINT SIGNAL ALARM PID IN/OUT

NO.

0 100 200 300 400 500 600

44

46
47
48
49
50

U RETL53

s54
e55
r56

57

A58
r59
e60

a61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

HYS45

RET51

RETH52

COM.P

BAUD

PRTY

SBIT

DLEN

ADDR

RP.TM

41

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

PROCESS FUNCTION SET POINT SIGNAL ALARM PID IN/OUT

NO.

0 100 200 300 400 500 600
88
89
90
91
92
93
94
95
96
97
98
99

?

NOTE

Read Only Location

42

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

Notes

?

Warranty and Retu rn I n f orm a t i o n

NOTE

Precision Digita l wa r rants t h is p r o d u c t t o b e f ree f r o m mat e rial d e f e ct s and workmanship under normal use and
service fo r t h ree y e a r s .

Please contact Precision Digita l Technical Su p p o rt at [phone] or e-mail at [email protected] prior to
any product return. When Technical Support determines a product should be returned, a Return Material
Authorization (RMA) # whic h mus t b e in c lu d e d o n t h e r e t u rn shi pp i n g label. Please also include the reason for
return, da t e o f p u r c ha s e , co n t a c t n a me , an d h o w t o c o n t a ct . P r o d u c t s returned for reasons other than repair may
be subject to a restock i ng f e e . A n y ret u r n s u nd e r a war r a n t y claim should be retur ned freight prepaid. Upon
warranty confirmation Precision Digital will repair o r r e place and return the unit at no charge via UPS Ground.
Other shipping is ava il a b le u p o n request and at customer expense. All product returns should be shipped to:
Return Authorization # ___________
Precision Digital, 89 October Hill Road Ste 5, Holliston, M A 01746 USA
Attention: Technical Support

Precision Digital Te ch n i ca l S u p p o r t is t r a i n e d a n d eager to serve you. We have found most start-up problems to
be the result of incorrect signal connections and/or programming. Most often Precision Digital Technical
Support ca n q u ic kl y c o r rect t h e se i ss u e s o ver the t e le p h o n e .

43

PD570 Series Nova Process and Temperature Limit Controller Instruction Manual

How to Contact Precision Digital

z

For Technical Support
Call: [phone] or [phone]
Fax: [phone]
Email: [email protected]

z

For Sales Support o r t o p la c e a n o r de r p le a s e
Call: [phone] or [phone]
Fax: [phone]
Email: [email protected]

z

For the latest version of this manual, please visit

www.predig.com

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