London Electronics INT2-P-DIFF Manuel utilisateur

Document Ref:pm65\manuals\INT2_P_Diff Revision:20 Dated: 28 February 2011

Software version F00.21

Panel mounting process indicator / controller

INT2-P-DIFF 2x 4-20mA

Connection details, scaling and general information

The New version of the INTUITIVE Family, with these extra benefits...

* 20 bit A/D convertor, higher precision, improved stability.

* 16 bit D/A convertor, greater resolution.

* Direct and theoretical linearisation features

* More comms options, for faster, more flexible data access.

* Extra ‘Factor and Offset’ feature, allows you to correct for Gravity, Container Tare etc.

* Timers on alarm relays.

* More alarm setting modes, including in-band and out of band alarms, pump control.

* Summary Screen, lets you know which options are fitted, whenever you want to know.

* Wider operating temperature range

* Variable brightness feature, plus Daylight viewing option for use in direct sunlight

*Adjustable menu timeout delay, to suit new and experienced users.

* Choice of Basic or Advanced menu in standard model

* Outputs selectable from nett or gross.

* Real -Time clock option

* DIN Rail mounting option

Ordering code: INT2-P-DIFF-X-X-X-X-X-X

INT2 = Intuitive Mark 2 family

P-DIFF = Process model, differential

Analogue output: 0=none, ANB=-10to+10V, ANI=4-20mA, ANV=0-10V

Alarm outputs: 0=none, AL2= 2 relays, AL4=4 relays

Serial data: 0= none, 232=RS232, 485=RS485

Display colour: R=Red, G=Green

Power: AC=100-240V AC, DC=11-30V DC

Mounting: 0= Standard panel DIN = DIN rail mounting

Caution: There is a risk of electrical

shock if this instrument is not properly installed

Caution: Risk of danger: Read the whole

manual before you install this meter

London Electronics Limited

Thorncote Road, Near Sandy, Bedfordshire SG19 1PU

Tel +44(0)1767 626444 Fax +44(0)1767 626446

www.london-electronics.com help@london-electronics.com

.Warranty

We warrant this product against defects in materials or workmanship for a period of three

(3) years from the date of purchase.

In the event of a defect during the warranty period, the unit should be returned, freight (and

all duties and taxes) prepaid by the Buyer to the authorised distributor from where the unit

was purchased.

The Distributor, at its option, will repair or replace the defective unit. The unit

will be returned to the Buyer with freight charges prepaid by the distributor.

LIMITATION OF WARRANTY

The foregoing warranty shall not apply to defects resulting from:

1. Improper or inadequate maintenance by the buyer.

2. Unauthorised modification or misuse.

3. Operation outside the environmental specification of the product.

4. Mishandling or abuse.

The warranty set forth above is exclusive and no other warranty, whether written or oral is

expressed or implied. We specifically disclaim the implied warranties of merchantability

and fitness for a particular purpose.

EXCLUSIVE REMEDIES

The remedies provided herein are the buyer’s sole and exclusive remedies.

In no event shall we be liable for direct, indirect, incidental or consequential damages

(including loss of profits) whether based on contract, tort or any other legal theory.

Warranty 2

Warnings 4

Introduction 5

General Description 6

Panel mounting & Installation - Class II 7

DIN Rail mounting option 8

Other Mounting options 9

WiringAdvice 10

Connections 11

Installation hints for best performance 12-13

Easy/Advanced menu mode 14

Language Selection 15

Display Brightness 16

Display Calibration Modes 17

Direct Calibration 18-19

Linearisation with Direct Calibration 20-21

Theoretical Calibration 22-23

Linearisation with Theoretical Calibration 24-25

Sensor Drift correction 26

Logic Input functions 27

Logic Input connections & Front Buttons 28

Factory defaults 29

Calibration Audit number 29

Signal Filtering / Averaging 30-31

Last Digit rounding 32

Scale Factor adjustment 33

Offset Adjustment 34

Menu Timeout adjustment 35

Reverse / Mirror display setting 36

Bootup Routine choices 37

Multi Memory MEM option 38

Error Codes 39

Output Options - installing 40

WEEE 41

Equipment Specifications 42

Record of Revisions 43

Declaration of Conformity 44

Separate manuals for options

Alarm option settings See Alarm manual *

Analogue output option settings See Analogue manual *

Serial output option settings See Serial manual *

Real Time Clock setting See Serial manual *

* Need a manual urgently?

You can download manuals from our website

Contents

Safety First ..............Don't assume anything............. Always double check.

If in doubt, ask someone who is QUALIFIED to assist you in the subject.

Warnings

Please carefully read this manual and all warnings. Install the meter ONLY when you are sure

that you’ve covered all aspects.

Where the product is intended for “UL” installations, removal or

addition of option boards is not permitted.

Check that the model number and supply voltage suit your application before

you install the meter.

Connect the meter according to current IEE regulations, IEC61010 &

NFPA:70 National Electric Code in USA.

This meter is for Installation class II service only. This means it

has exposed electrical and power terminals. You must install it in a

suitable fire enclosure which will also protect users from electric shock

We designed this meter for Pollution-Degree 2 environments only.

Power supplies to this equipment must have anti-surge (T) fuses rated at 400mA for

230V supply, 400mA for 110V supply or 2A for DC supplies in the range 11-30VDC.

Only Siba fuses in series 189500, cULus listed according to file #E167295 are

accepted for this service under the terms of UL listing.Aswitch or circuit breaker, clearly

marked as a disconnecting device, must be included close to the installation.

Don’t touch any circuitry after you have connected the meter, because there may be

lethal voltages on the circuit board.

Only adjust on-board switches or connections with the power turned off

Make sure all screw terminals are tight before you switch the meter on.

Only clean the meter’s front with a soft damp cloth. Only lightly dampen with water.

Do not use any other solvents. The behind-panel case may be cleaned with a dry cloth

only, use no liquid or solvent on it.

Introduction

Please contact us if you need help, if you have a complaint, or if you have suggestions to help

us improve our products or services.

If you contact us about a product you already have, please tell us the full model number and

serial number, so that we can give you accurate and fast help.

This product has a 3 year warranty. We will put right or replace any meter which is faulty

because of bad workmanship or materials. This warranty does not cover damage caused by

misuse or accident.

If you return a unit for repair, please include a detailed description of the problem, and the

name of a contact who we can refer to for any questions. Please mark for the attention of the

QA Department.

IMPORTANT

If this equipment is important to your process, you may want to buy a spare to cover possible

failure or accidental damage in the future.

This is because during factory shutdown periods, you may have to to wait several weeks for

an equivalent replacement, or we may have no stock at the time you urgently need it.

You may also need to pay extra carriage charges if you want a fast, guaranteed courier service.

Warranty repairs or replacements are usually returned with a standard courier service.

We do not offer compensation for losses caused by failure of this instrument.

If you do not agree with these conditions, please return this item in unused, condition, in its

original packaging and we will refund the purchase price, excluding any carriage paid.

We thought you’d prefer to know about possible delays and extra charges now, rather than

during a panic. A spare unit could help to avoid these issues.

We always try to improve our products and services, so these may change over time. You

should keep this manual safely, because future manuals, for new designs, may not describe

this product accurately.

We believe these instructions are accurate, and that we have competently designed and

manufactured the product, but please let us know if you find any errors.

General Description

This series of meters accepts industrial sensors to allow various physical measurements to

be made, such a weight, temperature, pressure, humidity etc. Different models are available

for different sensor types.

The main function of this series is to give a numeric readout of the variable being monitored.

Most models include an excitation power output, to power the sensor directly.

Various optional output modules are also available to give alarm relay outputs, analogue

output or digital communications, or any combination of these options.

Meters are programmed using front panel pushbuttons. The buttons may be locked with a

rear switch.

Meters have two power supply options : 100-240 VAC or 11-30VDC

These meters are designed to mount into a protective enclosure which will protect users from

contact with power and signal wiring.

These units must be installed fully assembled, and must be installed according to local electrical

installation rules. When properly installed, they provide ingress protection to IP65 / NMA4X

from the front

Safety

Obey all safety warnings in this manual, and install the meter according to local wiring and

installation regulations. Failure to follow these guidelines may cause damage to the meter,

connected equipment, or may be harmful to personnel.

Any moving mechanical device controlled by this equipment must have suitable access guards

to prevent injury to personnel if the meter should fail.

Caution: There is a risk of electrical

shock if this instrument is not properly installed

Caution: Risk of danger: Read the whole

manual before you install this meter

Panel Mounting and Installation - Class II

Install the meters in a suitable protective electrical control enclosure according to local wiring

regulations. See specifications for maximum allowable temperature in enclosure. Allow

adequate air circulation.

888888

92mm +1mm -0mm

45mm +1mm -0mm

Panel cutout

Installing into front of panel

Remove the two rear bracket

screws and safely store them

and the U-Bracket for later fitting.

Gasket

Front surface

of enclosure

Front surface

of enclosure

Front surface

of meter

U-Bracket

Bracket screw (1 of 2) Left side of meter case

U-Bracket

Bracket screws

U-Bracket

Bracket screws

Slide the meter, with gasket

into the panel cutout

Securing into the panel

Re-fit the U-Bracket and tighten the bracket

screws to firmly clamp the meter in place.

Check that the gasket is evenly pinched

between the meter’s front bezel and the

enclosure front

Ventilation

There should be sufficient ventilation in the

enclosure to ensure that the meter’s case is

always kept to less than 60C.

Meter Spacing.

Meters should be spaced apart sufficiently

to allow a free flow of ventilation air around

the meters, such that no part of the case will

exceed 60C

Side view of meter installed in panel

DIN Rail Mounting option

This Series is ideal if you need high precision signal conditioning. Sometimes, it is not

necessary to have front panel indication, so in such cases, we offer a DIN rail mounting option,

which allows the meter to be installed within a control panel.

Detachable connectors add to the simplicity of installation, and of course the setup method is

identical to the panel mounting version, so you don’t need to learn a new method.

The display remains active, so you can see at a glance the status of your signals, and

programming is simple, using the 4 buttons.

Output functions include isolated 16 bit 4-20mA, 0-10V, -10 to +10V, RS232, RS485 and up

to 4 alarms with a wide choice of alarm functions.

Install the meters in a suitable protective electrical control enclosure according to local wiring

regulations. See specifications for maximum allowable temperature in enclosure. Allow

adequate air circulation.

Securing into the panel

Use standard top-Hat DIN rail 35 mm x 7.5 mm (EN 50022, BS 5584, DIN 46277-3)

Ventilation

There should be sufficient ventilation in the enclosure to ensure that the meter’s case is

always kept to less than 60C.

Meter Spacing.

Meters should be spaced apart sufficiently to allow a free flow of ventilation air around the

meters, such that no part of the case will exceed 60C

Other mounting options

IP67 SPC4

The SPC4 splashproof cover gives

IP67 / NEMA4-X protection for the

front of your meter. Ideal for use in

harsh wet environments.

Available with optional security tag

ports to allow you to fit your own

crimped wire tamper-seals, to pre-

vent or indicate unauthorised access

(Similar to tags used on electricity

meters)

Wall Box

The Wallbox is sealed IP65 all round,

and is supplied with the meter in-

stalled, for you to wire to, via 3 cable

glands. It comes complete with SPC4

splashproof cover.

We also offer a dual version of this

enclosure, which can take 2 meters,

one above the other.

PCC Series

The PCC series of Portable Carrying

cases is ideal for housing your panel

meters so that they can be used in the

lab. These enclosure come fully

wired, with panel meters fitted and

with IEC switched power connector

plus any input or output connectors,

as required.

Versions are available to accept 1, 2,

4, 6, 8, 12 or 16 meters

Wiring Advice

This meter uses detachable screw terminal connectors. Refer to the wiring diagram on the

following page for the correct positioning of each wire.

The conductors you use must be suitable for the meter’s temperature, current and voltage

rating, which is broadly described as follows:-

Cable Temperature Rating

All cables must be rated for operation up to 90C continuous.

Cable gauge and screw tightness

The connectors on this instrument can accept conductors up to 16 gauge AWG / 1.5mm2

c.s.a. The minimum cross sectional area shall be 22 gauge AWG / 0.5mm2 . Tighten screw

terminals to 7.0 lb/in torque / 0.8 Nm torque.

Cable insulation voltage rating

Cables shall have an insulation voltage rating of at least 380V continuous.

Wire preparation:

We recommend multi-strand wire, because it withstands vibration better than single strand

cable. Pull the wire firmly after you make the connection to confirm it is tight.

Use screened cable for all signal and control wiring and connect the screen to earth at the

destination end only. Route signal cabling away from power cabling and relay switching

cabling, to avoid electrical noise interference.

U-Bracket

No bare wires exposed

Terminal screwdiver - 3mm blade

Strip back

5mm max.

Outside

enclosure

Inside

enclosure

Side view of meter

Detachable

connectors

125mm behind panel

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