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Specifications – Rockwell Automation 1746-INT4 Thermocouple/mV Isolated Input Module Quick Start User Manual

Page 18

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18 Thermocouple/mV Isolated Input Module

Publication 1746-QS002B-EN-P - July 2002

Specifications

Module Location

SLC chassis - any I/O module slot except 0

Input from System Backplane

5Vdc @ 0.110 A, 24Vdc @ 0.085A

Thermocouple Types

b, c, d, e, j, k, n, r, s, t

Input Voltage

-50 to +50mV and -100 to +100mV

Number of Channels

4 (backplane and channel-to-channel isolated)

A/D Conversion Method

Sigma-Delta modulation

Input Filtering

Analog filter with low-pass digital filter

Normal mode rejection between
[+] input and [-] input

Greater than 50dB @ 50Hz
Greater than 60dB @ 60Hz

Common mode rejection
between inputs and chassis
ground

Greater than 120dB @ 50/60 Hz with 1K ohm imbalance

Channel bandwidth (-3db)

8Hz

Calibration

Once every six months

Isolation

Tested to 1000Vac for 60 sec. between channels and between user connections
and backplane connections

Operating Temperature

IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
0-60

o

C (32–140

o

F)

Storage Temperature

IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold),
IEC 60068-2-2 (Test Bc, Un-packaged Non-operating Dry Heat),
IEC 60068-2-14 (Test Na, Un-packaged Non-operating Thermal Shock):
–40 to 85

o

C (–40 to 185

o

F)

Relative Humidity

IEC 60068-2-30 (Test Db, Un-packaged Non-operating Damp Heat):
5–95% non condensing

Required Terminal Block

Cat. No. 1746-RT32

Wiring

Wire Category

1

Torque

24-14 AWG
2
6-8 in-lbs.

Enclosure Type Rating

None (open style)

Certifications

2

(when product is marked)

UL

UL Listed Industrial Control Equipment

CSA

CSA Certified Process Control Equipment

CSA

CSA Certified Process Control Equipment for Class I, Division 2

Group A,B,C,D Hazardous Locations

CE

European Union 89/336/EEC EMC Directive, compliant with:

EN 50082-2; Industrial Immunity

EN 61326; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions

C-Tick

Australian Radiocommunications Act, compliant with:

AS/NZS 2064; Industrial Emissions

User Manual

Publication 1746-6.16, Thermocouple/mV Isolated Input Module User Manual

1

Use this conductor category information for planning conductor routing as described in publication 1770-4.1, Industrial

Automation Wiring and Grounding Guidelines.

2

See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other certification

details.