Rockwell Automation 1746-NR4 SLC RTD/Resistance Input Module User Manual - Manual (Page 123)

123 Publication 1746-UM008B-EN-P - December 2006
Appendix
B
RTD Standards
The following table shows various international and local RTD
standards that apply to the 1746-NR4:
RTD Type ∝ (1)
EIC
(2)
DIN
(3)
D100
(4)
SAMA
(5)
JIS (old)
(6)
JIS (new)
(7)
Minco
(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) 0.00672 X
120 Ω Nickel 0.00672 X
604
Ω Nickel Iron 0.00518
X
(1) ∝ 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 (32 °F) is 9.042 W per SAMA standard RC21-4-1966.
(10) Actual value at 0 °C (32 °F) is 100 W 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.