5–52 MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
PROTECTION ELEMENTS CHAPTER 5: SETPOINTS
All RTDs programmed with an alarm or a trip are monitored for sensor failure. When the
measured temperature is greater than 250°C, the RTD is declared failed and a common
RTD open circuit alarm is issued. When the measured temperature is less than -50°C, a
common RTD short circuit/low temperature alarm is issued.
The following setpoints are available for RTD protection.
RTD Open Circuit Alarm
Range: Enabled, Disabled
Default: Disabled
Enable to generate an alarm if RTD is open circuit.
RTD Open/Short Circuit Alarm
Range: Enabled, Disabled
Default: Disabled
Enable to generate an alarm if RTD is shorted/opened.
RTD #1 Application to RTD #3 Application
Range: None, Stator, Bearing, Ambient, Other
Default: None
These setpoints select the application type for RTDs #1 through 6, respectively.
RTD #1 Alarm Temp to RTD #6 Alarm Temp
Range: 1 to 250°C in steps of 1 or OFF
Default: OFF
These setpoints specify the alarm temperature for RTDs #1 through 6, respectively.
20 68 107.79
30 86 111.67
40 104 115.54
50 122 119.39
60 140 123.24
70 158 127.07
80 176 130.89
90 194 134.70
100 212 138.50
110 230 142.29
120 248 146.06
130 266 149.82
140 284 153.58
150 302 157.32
160 320 161.04
170 338 164.76
180 356 168.47
190 374 172.46
200 392 175.84
210 410 179.51
220 428 183.17
230 446 186.82
240 464 190.45
250 482 194.08
Temperature Resistance (in ohms)
°C °F 100 Pt
To Next Page
