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S3 PROTECTION
NOTE:
NOTE
6–100
THE RTD TROUBLE ALARM
All RTDs that are programmed with either an alarm or a trip are monitored for sensor
failure. When the measured temperature is greater than 250ºC or less than -50ºC, the RTD
is declared failed and a common RTD trouble alarm is issued.
RTD TROUBLE ALARM
Range: Disable, Enable
Default: Disable
This setting enables the RTD Trouble Alarm functionality.
OUTPUT RELAY X
For details see
Common
The availability of assignable Output Relay setpoints is dependent on the Order Code
options and the SWITCHING DEVICE setpoint. For more information refer to section S5
INPUTS/OUTPUTS > OUTPUT RELAYS and to
BLOCK 1 to 3
For details see
Common
Table 6-9: RTD Temperature vs Resistance
Temperature
o
C
–50
–40
–30
–20
–10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
setpoints.
Common
setpoints.
o
F
–58
–40
–22
–4
14
32
50
68
86
104
122
140
158
176
194
212
230
248
266
284
302
320
338
356
374
392
410
428
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: SETPOINTS
setpoints.
100 Ω Pt (DIN 43760)
80.31
84.27
88.22
92.16
96.09
100.00
103.90
107.79
111.67
115.54
119.39
123.24
127.07
130.89
134.70
138.50
142.29
146.06
149.82
153.58
157.32
161.04
164.76
168.47
172.46
175.84
179.51
183.17
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