Rockwell Automation Allen-Bradley Micro800 Manuel utilisateur

Wiring Diagrams

Micro800™ Non-isolated Thermocouple

Plug-in Module

Catalog Number 2080-TC2

http://literature.rockwellautomation.com

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2Micro800™ Non-isolated Thermocouple Plug-in Module

Publication 2080-WD006A-EN-P - September 2011

Environment and Enclosure

Preventing Electrostatic Discharge

ATTENTION

This equipment is intended for use in a Pollution Degree 2 industrial

environment, in overvoltage Category II applications (as defined in IEC

60664-1), at altitudes up to 2000 m (6562 ft) without derating. This equipment

is considered Group 1, Class A industrial equipment according to IEC/CISPR

11. Without appropriate precautions, there may be difficulties with

electromagnetic compatibility in residential and other environments due to

conducted and radiated disturbances.

This equipment is supplied as open-type equipment. It must be mounted

within an enclosure that is suitably designed for those specific environmental

conditions that will be present and appropriately designed to prevent personal

injury resulting from accessibility to live parts. The enclosure must have

suitable flame-retardant properties to prevent or minimize the spread of flame,

complying with a flame spread rating of 5V A, V2, V1, V0 (or equivalent) if

non-metallic. The interior of the enclosure must be accessible only by the use

of a tool. Subsequent sections of this publication may contain additional

information regarding specific enclosure type ratings that are required to

comply with certain product safety certifications.

In addition to this publication, see:

• Industrial Automation Wiring and Grounding Guidelines, Rockwell

Automation publication 1770-4.1, for additional installation

requirements.

• NEMA Standard 250 and IEC 60529, as applicable, for explanations of

the degrees of protection provided by different types of enclosure.

ATTENTION

This equipment is sensitive to electrostatic discharge, which can cause

internal damage and affect normal operation. Follow these guidelines when

you handle this equipment:

• Touch a grounded object to discharge potential static.

• Wear an approved grounding wriststrap.

• Do not touch connectors or pins on component boards.

• Do not touch circuit components inside the equipment.

• Use a static-safe workstation, if available.

• Store the equipment in appropriate static-safe packaging when not in

use.

Micro800™ Non-isolated Thermocouple Plug-in Module 3

Publication 2080-WD006A-EN-P - September 2011

North American Hazardous Location Approval

The following modules are North American Hazardous Location approved:

2080-TC2

The following information applies

when operating this equipment in

hazardous locations:

Informations sur l’utilisation de cet

équipement en environnements dangereux:

Products marked "CL I, DIV 2, GP A, B, C, D" are

suitable for use in Class I Division 2 Groups A,

B, C, D, Hazardous Locations and nonhazardous

locations only. Each product is supplied with

markings on the rating nameplate indicating the

hazardous location temperature code. When

combining products within a system, the most

adverse temperature code (lowest "T" number)

may be used to help determine the overall

temperature code of the system. Combinations

of equipment in your system are subject to

investigation by the local Authority Having

Jurisdiction at the time of installation.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne

conviennent qu'à une utilisation en environnements de

Classe I Division 2 Groupes A, B, C, D dangereux et non

dangereux. Chaque produit est livré avec des marquages

sur sa plaque d'identification qui indiquent le code de

température pour les environnements dangereux.

Lorsque plusieurs produits sont combinés dans un

système, le code de température le plus défavorable

(code de température le plus faible) peut être utilisé

pour déterminer le code de température global du

système. Les combinaisons d'équipements dans le

système sont sujettes à inspection par les autorités

locales qualifiées au moment de l'installation.

WARNING

EXPLOSION HAZARD

• Do not disconnect

equipment unless power

has been removed or the

area is known to be

nonhazardous.

• Do not disconnect

connections to this

equipment unless power

has been removed or the

area is known to be

nonhazardous. Secure any

external connections that

mate to this equipment by

using screws, sliding

latches, threaded

connectors, or other means

provided with this product.

• Substitution of any

component may impair

suitability for Class I,

Division 2.

• If this product contains

batteries, they must only be

changed in an area known

to be nonhazardous.

AVERTISSEMENT

RISQUE D’EXPLOSION

• Couper le courant ou s'assurer

que l'environnement est

classé non dangereux avant de

débrancher l'équipement.

• Couper le courant ou s'assurer

que l'environnement est

classé non dangereux avant de

débrancher les connecteurs.

Fixer tous les connecteurs

externes reliés à cet

équipement à l'aide de vis,

loquets coulissants,

connecteurs filetés ou autres

moyens fournis avec ce

produit.

• La substitution de tout

composant peut rendre cet

équipement inadapté à une

utilisation en environnement

de Classe I, Division 2.

• S'assurer que l'environnement

est classé non dangereux

avant de changer les piles.

4Micro800™ Non-isolated Thermocouple Plug-in Module

Publication 2080-WD006A-EN-P - September 2011

Parts List

Your package contains one Micro800 Non-isolated Thermocouple plug-in

module, two module fastening screws, one trimmed/formed bendable lead

NTC thermistor and these pin out guide wiring instructions.

You can choose to wire the plug-in before inserting it onto the controller, or

wire it once the module is secured in place.

ATTENTION

• This equipment is considered Group 1, Class A industrial equipment

according to IEC/CISPR 11. Without appropriate precautions, there may be

difficulties with electromagnetic compatibility in residential and other

environments due to conducted and radiated disturbance.

• Be careful when stripping wires. Wire fragments that fall into the controller

could cause damage. Once wiring is complete, make sure the controller is

free of all metal fragments.

• Do not wire more than 2 conductors on any single terminal.

• If you insert or remove the plug-in module while power is on, an electrical

arc can occur. This could cause an explosion in hazardous location

installations. Be sure that power is removed or the area is nonhazardous

before proceeding.

• Use shielded twisted core cables to connect the sensor.

• The shield should be grounded only at controller end.

• Connect the thermocouples directly to the module.

• Do not insert or remove the plug-in module while power is applied,

otherwise, permanent damage to equipment may occur.

45010

Micro800™ Non-isolated Thermocouple Plug-in Module 5

Publication 2080-WD006A-EN-P - September 2011

Insert Module into Controller

Follow the instructions to insert and secure the plug-in module to the

controller.

1. Position the plug-in module with the terminal block facing the front

of the controller as shown.

2. Snap the module into the module bay.

3. Using a screwdriver, tighten the 10…12 mm (0.39…0.47 in.) M3 self

tapping screw to torque specifications.

Wire the Module

Follow the pinout diagram to wire your plug-in module.

ATTENTION

This plug-in module is intended for use with Micro800 Family of

Programmable Controllers.

44012

6Micro800™ Non-isolated Thermocouple Plug-in Module

Publication 2080-WD006A-EN-P - September 2011

12-Pin Female Terminal Block

Type of CJC Sensor

The CJC sensor is a non-polarized, passive negative

temperature co-efficient thermistor (EPCOS

B57869S0502F140). It is readily available in the market

with most third party suppliers/vendors.

Types of Thermocouple Sensors Supported

The module supports thermocouple sensors J, K, N, T, E, R, S, and B. The

following table shows the thermocouple color codes for identification.

Thermocouple Color Codes

ANSI

Code

ANSI MC 96.1

Color Code Alloy Combination Max

T/C

Grade

EMF

(mV)

Over

Max

IEC 584.3

Color Coding IEC

Code

T/C

Grade Extension

Grade +Lead -Lead Temp

Range Temp

Range T/C

Grade Intrinsi-

cally

Safe

J+White

-Red +White

-Red IRON Fe

(magnetic) Constantan

Copper-

Nickel

Cu-Ni

-210…

1200 °C

-346…

2193 °F

-6.095…

59.563 +Black

-White +Black

-White J

1 2 3 4

5 6

B1 + B1 -

CH1

CH2

A1 + A2 -

(View into terminal block)

Pin A1 CH0+ Pin B1 CH1+

Pin A2 CH0- Pin B2 CH1-

Pin A3 CJ+ Pin B3 CJ-

Pin A4 No connection Pin B4 No connection

Pin A5 No connection Pin B5 No connection

Pin A6 No connection Pin B6 No connection

Back

Front

40511

2.41 max

6.5 max

50 ± 2

0.25

Micro800™ Non-isolated Thermocouple Plug-in Module 7

Publication 2080-WD006A-EN-P - September 2011

ANSI

Code

ANSI MC 96.1

Color Code Alloy Combination Max

T/C

Grade

EMF

(mV)

Over

Max

IEC 584.3

Color Coding IEC

Code

T/C

Grade Extension

Grade +Lead -Lead Temp

Range Temp

Range T/C

Grade Intrinsi-

cally

Safe

K+Yellow

-Red +Yellow

-Red Chromega

Nickel-

Chromium

Ni-Cr

Alomega

Nickel

Aluminum

Ni-Al

(magnetic)

-270…

1372 °C

-454…

2501 °F

-6.458…

54.886 +Green

-White +Green

-White K

T+Blue

-Red +Blue

-Red Copper

Cu Constantan

Copper-

Nickel

Cu-Ni

-270…

400 °C

-454…

752 °F

-6.258…

20.872 +Brown

-White +Brown

-White T

E+Purple

-Red +Purple

-Red Chromega

Nickel-

Chromium

Ni-Cr

Constantan

Copper-

Nickel

Cu-Ni

-270…

1000 °C

-454…

1832 °F

-9.835…

76.373 +Purple

-White +Purple

-White E

N+Orange

-Red +Orange

-Red Omega-P

Nicrosil

Ni-Cr-Si

Omega-N

Nisil

Ni-Si-Mg

-270…

1300 °C

-450…

2372 °F

-4.345…

47.513 +Pink

-White +Pink

-White N

RNone

Established +Black

-Red Platinum-

13%

Rhodium

Pt-13% Rh

Platinum

Pt -50…

1768 °C

-58…

3214 °F

-0.226…

21.101 +Orange

-White +Orange

-White R

SNone

Established +Black

-Red Platinum-

10%

Rhodium

Pt-10% Rh

Platinum

Pt -50…

1768 °C

-58…

3214 °F

-0.236…

18.693 +Orange

-White +Orange

-White S

BNone

Established +Gray

-Red Platinum-

30%

Rhodium

Pt-30% Rh

Platinum-

6% Rhodium

Pt-6% Rh

0…

1820 °C

32…

3308 °F

0…

13.820 +Gray

-White +Gray

-White B

Thermocouple Color Codes

8Micro800™ Non-isolated Thermocouple Plug-in Module

Publication 2080-WD006A-EN-P - September 2011

Wire the CJC Thermistor

2080-TC2 CJC Thermistor Wiring and Mounting Guide

The position for the thermistor, as illustrated, helps to compensate for

thermoelectric voltages developed at screw junction equally for

thermocouples connected to channels 0 and 1. If the bead is not in proper

contact with the screw, there will be deviation in readings due to inadequate

isothermal compensation.

This sensor is passive, non-polarized and readily available in the market.

Wire the Module in the Field

Connect the thermocouple sensors directly to the module terminals. If a

separate cable is used to connect the thermocouple to the module, the CJC

thermistor has to be mounted to the cable at thermocouple junction only.

50 ± 2

6.5 max

2.41 max

0.25

5 mm 5 mm

1. Connect the thermocouples to

channel 0 and 1, respectively.

Then, connect and screw the

thermistor to terminals A3 and B3.

B3 A3

2. Once fitted, bend the black bead

of the thermistor such that it

makes contact with the A2 screw

securely.

Micro800™ Non-isolated Thermocouple Plug-in Module 9

Publication 2080-WD006A-EN-P - September 2011

Direct sensor wiring

Specifications

ATTENTION

Direct wiring is the preferred method of wiring for thermocouples.

General and Environmental Specifications

Attribute Value

Mounting torque 0.2 Nm (1.48 lb-in.)

Terminal screw torque 0.22…0.25 Nm (1.95…2.21 lb-in.)

using a 2.5 mm [0.10 in.] flat-blade screwdriver

Wire size 0.14…1.5 mm2(26…16 AWG) solid copper wire or

0.14…1.0 mm2(26…17 AWG) stranded copper wire

rated @ 90 °C (194 °F ) insulation max

Input impedance > 300 KΩ

Common mode rejection ratio 100 dB @ 50/60 Hz

Normal mode rejection ratio 70 dB @ 50/60 Hz

Resolution 14-bit

2080-TC2

1 2 3 4 5 6

Process

temperature

measurement

Shielded/sheathed thermocouple sensor

45790

Blue Red

Blue

Red

10 Micro800™ Non-isolated Thermocouple Plug-in Module

Publication 2080-WD006A-EN-P - September 2011

Accuracy ±1.0 °C for TC @ 25 °C (77 °F)

For more information, see the Micro830 Programmable Controllers

User Manual, publication 2080-UM002.

Channels 2, non-isolated

Thermocouple types supported J,K,N,T,E,R,S,B

Open-circuit detection time 8…1515 ms

Power consumption 3.3 V, 40 mA

Temperature, operating IEC60068-2-1 (Test Ad, Operating Cold),

IEC60068-2-2, (Test Bd, Operating Dry Heat),

IEC 60068-2-14 (Test Nb, Operating Thermal Shock):

-20...65 °C (-4…149 °F)

Temperature, surrounding air, max. 65 °C (149 °F)

Temperature, non-operating IEC60068-2-1 (Test Ad, Operating Cold),

IEC60068-2-2, (Test Bd, Operating Dry Heat),

IEC 60068-2-14 (Test Nb, Operating Thermal Shock):

-40...85 °C (-40…185 °F)

North American temp code T4

Certifications

Certification (when

product is marked)(1)

Value

c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada.

See UL File E322657.

UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations,

certified for U.S. and Canada. See UL File E334470.

CE European Union 2004/108/EC EMC Directive, compliant with:

EN 61326-1; Meas./Control/Lab., Industrial Requirements

EN 61000-6-2; Industrial Immunity

EN 61000-6-4; Industrial Emissions

EN 61131-2; Programmable Controllers (Clause 8, Zone A & B)

C-Tick Australian Radiocommunications Act, compliant with:

AS/NZS CISPR 11; Industrial Emissions

(1) See the Product Certification link at http://www.ab.com for Declarations of Conformity, Certificates,

and other certification details.

General and Environmental Specifications

Attribute Value

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