Rockwell Automation 1746-NR8 SLC 500 RTD/Resistance Input Module User Manual - Manual (Page 105)

Publication 1746-UM003A-EN-P
Specifications A-5
Resistance Device Compatibility
Table A.1 Resistance Input Specifications
Cable Specifications
RTD Standards
Input Type Resistance Range
(0.25 mA Excitation) Resistance Range
(1.0 mA Excitation) Resolution Repeatability
(28 Hz, 50/60 Hz)
Resistance 150
Ω
0 to 150
Ω Ω
0.01
Ω
± 0.04
Ω
500
Ω
0 to 500
Ω Ω
0.1
Ω
± 0.2
Ω
1000
Ω
0 to 1000
Ω Ω
0.1
Ω
± 0.2
Ω
3000
Ω
0 to 3000
Ω Ω
0.1
Ω
± 0.2
Ω
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× 32) 3, #24 AWG tinned copper (7× 32) 3, #24 AWG tinned copper (7× 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 αα α (1) (2) (3) (4) (5) (6) (7) (8)
100
Ω
Platinum 0.00385 X X X
200
Ω
Platinum 0.00385 X X X
500
Ω
Platinum 0.00385 X X X
1000
Ω
Platinum 0.00385 X X X
100
Ω
Platinum 0.03916 X X
200
Ω
Platinum 0.03916 X X
500
Ω
Platinum 0.03916 X X
1000
Ω
Platinum 0.03916 X X
10
Ω
Copper (9) 0.00426 X
120
Ω
Nickel
(10) 0.00618 X
120
Ω
Nickel 0.00672 X
604
Ω
Nickel Iron 0.00518 X
(1) α is the temperature coefficient of resistance which is defined as the resistance change per ohm per °C.
(2) International Electrotechnical Commission Standard 751-1983
(3) German Standard, DIN 43760-1980 and DIN 43760-1987
(4) U.S. Standard D100
(5) Scientific Apparatus Makers Association Standard RC21-4-1966
(6) Japanese Industrial Standard JIS C1604-1981
(7) Japanese Standard JIS C1604-1989
(8) Minco Type ‘NA’ (Nickel) and Minco Type ‘FA’ (Nickel-Iron)
(9) Actual value at 0°C is 9.042 Ω per SAMA standard RC21-4-1966.
(10) Actual value at 0°C is 100
Ω
per DIN standard.
ATTENTION
!!!!
We recommend you use
RTDs that conform to the
standards in the table
above. Failure to heed this
caution may result in
reduced accuracy of the
RTD system.