Orbit Merret OM 402PID Manuel utilisateur

OM 402PID

4 DIGIT PROGRAMMABLE

UNIVERSAL PID REGULATOR

INPUT

DC/PM/OHM/PT/NI/TC/POTENTIOMETER

WARRANTY

YEARS

TECHDOK - OM 402PID - 2015 - 3v0 - en

2| INSTRUCTIONS FOR USE OM 402PID

SAFETY INSTRUCTIONS

Please, read the enclosed safety instructions carefully and observe them!

These instruments should be safeguarded by isolated or common fuses (breakers)!

For safety information the EN 61 010-1 + A2 standard must be observed.

This instrument is not explosion-safe!

TECHNICAL DATA

Measuring instruments of the OM 402 series conform to the European regulation 89/336/EWG.

The instruments are up to the following European standards:

EN 61010-1 Electrical safety

EN 61326-1 Electronic measuring, control and laboratory devices – Requirements for EMC “Industrial use”

Seismic capacity:

IEC 980: 1993, čl. 6

The instruments are applicable for unlimited use in agricultural and industrial areas.

CONNECTION

Supply of energy from the main line has to be isolated from the measuring leads.

ORBIT MERRET, spol. sr.o.

Vodnanska 675/30

19800 Prague 9

Czech Republic

Tel: +420 - 281040200

Fax: +420 - 281040299

e-mail: [email protected]

www.orbit.merret.eu

INSTRUCTIONS FOR USE OM 402PID | 3

1.CONTENTS

1. CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. INSTRUMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . 4

3. INSTRUMENT CONNECTION. . . . . . . . . . . . . . . . . . . . 6

Measuring ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Termination of RS 485 communication line . . . . . . . . 6

Instrument connection . . . . . . . . . . . . . . . . . . . . . . . . . 7

Recommended connection of sensors . . . . . . . . . . . 8

4. INSTRUMENT SETTING . . . . . . . . . . . . . . . . . . . . . . 10

Symbols used in the instructions . . . . . . . . . . . . . . . 12

Setting the DP and the (-) sign . . . . . . . . . . . . . . . . . 12

Control keys function . . . . . . . . . . . . . . . . . . . . . . . . . 13

Setting/permitting items into “USER” menu . . . . . . . 13

5. SETTING “LIGHT” MENU . . . . . . . . . . . . . . . . . . . . . .14

5.0 Description “LIGHT” menu . . . . . . . . . . . . . . . . . . . 14

Setting input - Type “DC” . . . . . . . . . . . . . . . . . . . . . . 18

Setting input - Type “PM” . . . . . . . . . . . . . . . . . . . . . .20

Setting input - Type “OHM” . . . . . . . . . . . . . . . . . . . . .22

Setting input - Type “RTD - Pt” . . . . . . . . . . . . . . . . . .24

Setting input - Type “RTD - Ni” . . . . . . . . . . . . . . . . . . 26

Setting input - Type “T/C” . . . . . . . . . . . . . . . . . . . . . .28

Setting input - Type “DU” . . . . . . . . . . . . . . . . . . . . . .30

Setting input - Type “RTD - Cu” . . . . . . . . . . . . . . . . . 32

Setting controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Setting Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Setting analog output . . . . . . . . . . . . . . . . . . . . . . . . .40

Selection of programming menu „LIGHT“/„PROFI“ . . 42

Restoration of manufacture setting . . . . . . . . . . . . . 42

Calibration - input range (DU). . . . . . . . . . . . . . . . . . . 43

Selection of instrument menu language version . . 44

Setting new access password . . . . . . . . . . . . . . . . . 44

Instrument identification . . . . . . . . . . . . . . . . . . . . . . . 45

6. SETTING “PROFI” MENU. . . . . . . . . . . . . . . . . . . . . . 46

6.0 Description of “PROFI” menu . . . . . . . . . . . . . . . . . 48

6.1 “PROFI” menu - INPUT

6.1.1 Resetting internal values. . . . . . . . . . . . . . . . . 48

6.1.2 Setting measuring type, range, mode, rate. . 49

6.1.3 Setting the Real Time . . . . . . . . . . . . . . . . . . .55

6.1.4 External input function selection . . . . . . . . . .55

6.1.5 Optional accessory functions of the keys . . 56

6.2 “PROFI” menu - CHANNEL

6.2.1 Setting measuring parameters (projection, filters,

decimal point, description). . . . . . . . . . . . . . . .60

6.2.2 Setting controls . . . . . . . . . . . . . . . . . . . . . . . .63

6.2.3 Selection of evaluation of min/max. value . . 67

6.3 “PROFI” menu - OUTPUT

6.3.1 Setting data logging. . . . . . . . . . . . . . . . . . . . .68

6.3.2 Setting Limits . . . . . . . . . . . . . . . . . . . . . . . . . . 70

6.3.3 Setting data output . . . . . . . . . . . . . . . . . . . . . 75

6.3.4 Setting analog output . . . . . . . . . . . . . . . . . . . 76

6.3.5 Selection of display projection . . . . . . . . . . . . 78

6.4 “PROFI” menu - SERVICE

6.4.1 Selection of programming menu

„LIGHT“/„PROFI“ . . . . . . . . . . . . . . . . . . . . . . . .80

6.4.2 Restoration of manufacture setting. . . . . . . . 81

6.4.3 Calibration - input range (DU) . . . . . . . . . . . . .82

6.4.4 Selection of instrument menu

language version . . . . . . . . . . . . . . . . . . . . . . . 82

6.4.5 Setting new access password . . . . . . . . . . .82

6.4.6 Instrument identification . . . . . . . . . . . . . . . . .83

6.5 “PROFI” menu - PROGRAMM

6.5.1 Selection of launching a program . . . . . . . . . 84

6.5.2 Selection of parameters . . . . . . . . . . . . . . . . .85

6.5.3 Selection of programming steps . . . . . . . . . .86

7. SETTING ITEMS INTO “USER” MENU . . . . . . . . . . . . 88

7.0 Configuration “USER” menu . . . . . . . . . . . . . . . . . .88

8. METHOD OF MEASURING OF THE COLD JUNCTION. 90

9. ERROR STATEMENTS . . . . . . . . . . . . . . . . . . . . . . . . .91

10. DATA PROTOCOL . . . . . . . . . . . . . . . . . . . . . . . . . . 92

11. TECHNICAL DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . 94

12. INSTRUMENT DIMENSIONS AND INSTALATION . . . . 96

13. CERTIFICATE OF GUARANTEE. . . . . . . . . . . . . . . . . .97

4| INSTRUCTIONS FOR USE OM 402PID

2. INSTRUMENT DESCRIPTION

2.1 DESCRIPTION

OM 402PID is a 4-digit versatile panel mount PID regulator designed for maximum fl exibility and user comfort while maintaining

a low price.

Type OM 402PID is a multifunction instrument with the option of confi guration for 8 various input options, easily confi gurable in

the instrument menu. In its basic confi guration the OM 402PID has two regulatory relays and two relay alarm outputs. Desired

value can either be constant, or defi ned by one of 14 programmes.

The instrument is based on a 8-bit microcontroller and a multichannel 24-bit sigma-delta converter, which secures high accuracy,

stability and easy operation of the instrument.

MEASURING RANGES

UNI DC: 0…60/150/300/1200 mV

PM: 0…5 mA/0…20 mA/4…20 mA/±2 V/±5 V/±10 V/±40 V

OHM: 0…100 /0…1/10/100 k

RTD-Pt: Pt 50/100/Pt 500/Pt 1000

RTD-Cu: Cu 50/Cu 100

RTD-Ni: Ni 1000/Ni 10000

T/C: J/K/T/E/B/S/R/N/L

DU: Linear potentiometer (min. 500 )

PROGRAMMABLE PROJECTION

Selection: of type of input and measuring range

Measuring range: adjustable as fixed or with automatic change

Setting: manual, optional projection on the display may be set in the menu for both limit values of the input

signal, e.g. input 0…20 mA> 0…850,0

Projection: -9999…9999

PID REGULATOR

Execution: paralel PID, PI or proporcional

Relay output: double, two-state, PWM

Analogue outpur: electrically isolated, modes: heatinf, cooling, both

Required value: set, from the analogue output, from program

Nr. of programs/steps: 14/64

Launching: time - one off /weekly, by external input, by buttons

RELAY OUTPUTS

Type: digital, settable in the menu

Outputs: relays L1, L2 are alarm outputs, relays L3, L4 are intended as regulatory but can be also used as alarms

ANALOG OUTPUT

Usage: where this type of signal is requested by action devices, or it can be used for processing of the measured

value by external devices.

Type: electrically isolated, programmable with a 12 bit D/A convertor. Functions, type and range of the output

are seelctable in the instrument‘s menu

COMPENSATION

of conduct: in the menu it is possible to perform compensation for 2-wire connection

of conduct in probe: internal connection (conduct resistance in measuring head)

of CJC (T/C): manual or automatic, in the menu it is possible to perform selection of the type of thermocouple and

compensation of cold junctions, which is adjustable or automatic(temperature at the brackets)

* only for types DC, PM, DU

INSTRUCTIONS FOR USE OM 402PID | 5

2.INSTRUMENT DESCRIPTION

DIGITAL FILTERS

Floating average: from2…30 measurements

Exponen. average: from2…100 measurements

Arithmetic average: from2…100 measurements

Rounding: setting the projection step for display

MATHEMATIC FUCTIONS

Min/max. value: registration of min./max. value reached during measurement

Tare: designed to reset display upon non-zero input signal

Peak value: the display shows only max. or min. value

Linearization:* by linear interpolation in50 points (solely via OM Link)

MEASURED DATA RECORD

RTC: Internal fixed storage of data within a selected time period and recording frequency. The capacity is

256 000 values, each with a date and time stamp. Stored data can be transferred to a PC either via

RS 232/485 or via the OM Link interface

2.2 OPERATION

The instrument is set and controlled by five control keys located on the front panel. All programmable settings of the instrument

are performed in three adjusting modes:

LIGHT Simple programming menu

- contains solely items necessary for instrument setting and is protected by optional number code

PROFI Complete programming menu

- contains complete instrument menu and is protected by optional number code

USER User programming menu

- may contain arbitrary items selected from the programming menu (LIGHT/PROFI), which determine

the right (see or change)

- acces without password

All programmable parameters are stored in the EEPROM memory (they hold even after the instrument is switched off).

Complete instrument operation and setting may be performed via OM Link communication interface, which is a

standard equipment of all instruments.

The operation program is freely accessible (www.orbit.merret.eu) and the only requirement is the purchase of OML cable to

connect the instrument to PC. It is manufactured in version RS 232 andUSB and is compatible with all ORBIT MERRET instru-

ments. Another option for connection is with the aid of data output RS 232 or RS 485 (without the need of the OML cable).

The program OM LINK in „Basic“ version will enable you to connect one instrument with the option of visualization and archiving

in PC. The OM Link „Standard“ version has no limitation of the number of instruments connected.

2.3 OPTIONS

Excitation

is suitable for supplying power to sensors and transmitters. It has a galvanic separation.

Input of required value

is used for dependent control method. Current and voltage inputs are available

Data outputs

are for their rate and accuracy suitable for transmission of the measured data for further projection or directly

into the control systems. We offer an isolated RS232 and RS485 with the ASCII or DIN MessBus protocol.

6| INSTRUCTIONS FOR USE OM 402PID

3. INSTRUMENT CONECTION

The instrument supply leads should not be in proximity of the incoming low-potential signals.

Contactors, motors with larger input power should not be in proximity of the instrument.

The leads into the instrument input (measured quantity) should be in sufficient distance from all power leads andappliances.

Provided this cannot be secured it is necessary to use shielded leads with connection to ground (bracket E).

The instruments are tested in compliance with standards for use in industrial area, yet we recommend to abide by the above

mentioned principles.

MEASURING RANGES

TYPE INPUT I INPUT U

DC 0…60/150/300/1 200 mV

PM 0…5/20 mA/4…20 mA ±2/±5/±10/±40 V

OHM 0…100 /1 k/10 k/100 k

RTDPt Pt 50/100/Pt 500/ Pt 1 000

RTDCu Cu 50/100

RTDNi Ni 1 000/10 000

T/C J/K/T/E/B/S/R/N/L

DU Linear potentiometer (min. 500 )

OPTION „A“  Setpoints

TYPE INPUT I INPUT U

PM 0…5/20 mA/4…20 mA ±2/±5/±10/±40 V

Termination of RS 485 communication line

Full Signiﬁcance Default Recomendation

1-2 connect L+ to (+) source terminalconnected

3-4 termination of line 120 Ohm disconnected connect at the end of line

5-6 connect L- to (-) source terminalconnected do not disconnect

RS 485 line should have a linear structure - wires (ideally shielded and twisted)

should lead from one device to another.

X3 - Termination of commuication line RS 485

153

INSTRUCTIONS FOR USE OM 402PID | 7

3.INSTRUMENT CONECTION

Option A

14 15 16 17 18 19 20 21

EXT. 1

GND

INPUT - I

INPUT - U

Excitation

EXT. 3

EXT. 2

S+ S- E--E+

ES+

E+ ES-

ES--

2322

8910

NPOWER SUPPLY

123

11 12 13

567

IV V VI

III II I

RxD/L+

TxD/L-

GND

AO-I

AO-U

GND

DC, PM

RTD, OHM, Ni

T/C

CJC

Relays

SSR

S+

ABC

Setpoints - I

Setpoints - U

GND

Excitation has the minus pole common with

the input - the bracket no. 20 - GND and

you may set its value by trimmer above the

bracket no. 17

Maximum of 250 mA may be connected to “INPUT - I” (bracket no. 21) , i.e. 10-times range overload.

Mind the correct connection/mistaking of current - voltage input.

Destruction of measuring resistance in current input (15R) may occur.

8| INSTRUCTIONS FOR USE OM 402PID

3. INSTRUMENT CONECTION

Example connection of a 2-wire sensor with current signal output powered by instrument’s excitation

Example connection of a 3-wire sensor with current signal output powered by instrument’s excitation

14 15 16 17 18 19 20 21

INPUT - IExcitation

2322

LNE

123

(+)

(-)

Sensor (-)Sensor (+)

14 15 16 17 18 19 20 21

INPUT - I

Excitation

2322

LNE

123

Supply (+)

Output (+)

GND (-)

Output (+)Supply (+)

INSTRUCTIONS FOR USE OM 402PID | 9

INSTRUMENT CONECTION 3.

Example connection of 3-wire sensor with voltage signal output powered by instrument’s excitation

Example connection of resistance measurement using 4 wires

14 15 16 17 18 19 20 21

INPUT - U

Excitation

2322

LNE

123

Supply (+)

Output (+)

GND (-)

Output (+)Supply (+)

By connecting resistor R* we elimintate error message E. I.Ov. (input overflow) when the measured resistance is disconnected

14 15 16 17 18 19 20 21

E+

2322

LNE

123

E-S-S+

* resistor 100...1000 Ohm

Terminals

for the measured resistance

10 | INSTRUCTIONS FOR USE OM 402PID

4. INSTRUMENT SETTING

SETTING

PROFI

For expert users

Complete instrument menu

Access is password protected

Possibility to arrange items of the USER MENU

Tree menu structure

SETTING

LIGHT

For trained users

Only items necessary for instrument setting

Access is password protected

Possibility to arrange items of the USER MENU

Linear menu structure

SETTING

USER

For user operation

Menu items are set by the user (Profi/Light) as per request

Access is not password protected

Optional menu structure either tree (PROFI) or linear (LIGHT)

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