Cable specifications, Rtd standards, Cable specifications rtd standards – Rockwell Automation 1762-IR4 RTD/Resistance Input Module User Manual

Page 80

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Publication 1762-UM003A-EN-P - February 2003

A-4 Specifications

Cable Specifications

RTD Standards

Description

Belden #9501

Belden #9533

Belden #83503

When used?

For 2-wire RTDs and
potentiometers.

For 3-wire RTDs and potentiometers.
Short runs less than 100 feet and normal
humidity levels.

For 3-wire RTDs and potentiometers.
Long runs greater than 100 feet or high
humidity levels.

Conductors

2, #24 AWG tinned copper (7 x
32)

3, #24 AWG tinned copper (7 x 32)

3, #24 AWG tinned copper (7 x 32)

Shield

Beldfoil aluminum polyester
shield with copper drain wire.

Beldfoil aluminum polyester shield with
copper drain wire

Beldfoil aluminum polyester shield with
tinned braid shield.

Insulation

PVC

S-R PVC

Teflon

Jacket

Chrome PVC

Chrome PVC

Red Teflon

Agency
Approvals

NEC Type CM

NEC Type CM

NEC Art-800, Type CMP

Temperature
Rating

80°C

80°C

200°C

RTD Type

α

(3)

IEC-751 1983,
Amend. 2 1995

DIN 43760
1987

SAMA

(4)

Standard
RC21-4-1966

Japanese
Industrial
Standard JIS
C1604-1989

Japanese
Industrial
Standard JIS
C1604-1997

Minco

(5)

100

Pt

0.00385

200

Pt

0.00385

500

Pt

0.00385

1000

Pt

0.00385

100

Pt

0.03916

200

Pt

0.03916

500

Pt

0.03916

1000

Pt

0.03916

10

Cu

(1)

0.00426

120

Ni

(2)

0.00618

120

Ni

0.00672

604

NiFe

0.00518

(1) Actual value at 0°C (32°F) is 9.042

per SAMA standard RC21-4-1966.

(2) Actual value at 0°C (32°F) is100

per SAMA standard RC21-4-1966.

(3)

α

is the temperature coefficient of resistance which is defined as the resistance change per ohm per °C.

(4) Scientific Apparatus Makers Association
(5) Minco Type “NA” (Nickel) and Minco Type “FA” (Nickel-Iron)

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