5–64 489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 5: SETPOINTS
5.9 S8 RTD Temperature
5.9.1 RTD Types
PATH: SETPOINTS ZV S8 RTD TEMPERATURE Z RTD TYPES
Each of the twelve RTDs may be configured as None or any one of four application types,
Stator, Bearing, Ambient, or Other. Each of those types may in turn be any one of four
different RTD types: 100 ohm Platinum, 120 ohm Nickel, 100 ohm Nickel, 10 ohm Copper.
The table below lists RTD resistance vs. temperature.
1 RTD TYPES [Z] STATOR RTD TYPE:
100 Ohm Platinum
Range: 100 Ohm Platinum, 120 Ohm
Nickel, 100 Ohm Nickel, 10 Ohm
Copper
MESSAGE
BEARING RTD TYPE:
100 Ohm Platinum
Range: as above
MESSAGE
AMBIENT RTD TYPE:
100 Ohm Platinum
Range: as above
MESSAGE
OTHER RTD TYPE:
100 Ohm Platinum
Range: as above
Table 5–6: RTD Temperature vs. Resistance
Temperature 100 Ω Pt
(DIN 43760)
120 Ω Ni 100 Ω Ni 10 Ω Cu
° C ° F
–50 –58 80.31 86.17 71.81 7.10
–40 –40 84.27 92.76 77.30 7.49
–30 –22 88.22 99.41 82.84 7.88
–20 –4 92.16 106.15 88.45 8.26
–10 14 96.09 113.00 94.17 8.65
0 32 100.00 120.00 100.00 9.04
10 50 103.90 127.17 105.97 9.42
20 68 107.79 134.52 112.10 9.81
30 86 111.67 142.06 118.38 10.19
40 104 115.54 149.79 124.82 10.58
50 122 119.39 157.74 131.45 10.97
60 140 123.24 165.90 138.25 11.35
70 158 127.07 174.25 145.20 11.74
80 176 130.89 182.84 152.37 12.12
90 194 134.70 191.64 159.70 12.51
100 212 138.50 200.64 167.20 12.90
110 230 142.29 209.85 174.87 13.28
120 248 146.06 219.29 182.75 13.67
130 266 149.82 228.96 190.80 14.06
140 284 153.58 238.85 199.04 14.44
150 302 157.32 248.95 207.45 14.83
160 320 161.04 259.30 216.08 15.22
170 338 164.76 269.91 224.92 15.61
Courtesy of NationalSwitchgear.com
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