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Physical specifications, Environmental specifications – Rockwell Automation 1746-NT4 Series B,D17466.6.1 SLC 500 4-Channel Thermocouple/mV Input Module User Manual User Manual

Page 98

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Publication 1746-UM007C-EN-P - July 2004

A-2 Specifications

Physical Specifications

Environmental
Specifications

Specification

Value

LED Indicators

5, green status indicators, one for each of 4 channels
and one for module status

Module ID Code

3510

Recommended Cable:

For Thermocouple inputs

Appropriate shielded twisted pair thermocouple

extension wire

(1)

(1) Refer to the thermocouple manufacturer for the correct extension wire.

For mV inputs

Belden #8761 or equivalent

Maximum Wire Size

Two 14 AWG wires per terminal

Maximum Cable Impedance

25

ohms maximum loop impedance, for <1LSB error

Terminal Block

Removable, Allen-Bradley spare part Catalog Number
1746-RT32

Specification

Value

Operating Temperature

(1)

(1) When the NT4 module detects 0°C (32°F) [(+/- 3°C) +/- 5.4°F] at the CJC, it will detect an out-of-range condition

and set values to downscale -270°C (-454°F). It is recommended that ambient temperature surrounding the SLC
500 system be maintained above 3°C (37.4°F) in order for the NT4 module to measure temperature correctly
without detecting an out-of-range condition.

0°C to 60°C (32°F to 140°F)

Storage Temperature

-40°C to +85°C (-40°F to +185°F)

Relative Humidity

5% to 95% (without condensation)

Certification

Marked for all applicable directives

CSA approved

C-UL Listed Industrial Control Equipment
for use in Class 1, Div 2 Hazardous
Locations

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