5-336
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
TRANSDUCER INPUTS/OUTPUTS
CHAPTER 5: SETTINGS
5
RRTD 1 ID
— Assign an alphanumeric ID to the remote RTD. This ID is included in the remote RTD actual values. It is also used
to reference the remote RTD input to features using the remote RTD.
RRTD 1 TYPE
— This setting specifies the remote RTD type. Four different RTD types are available: 100
Ω
Nickel, 10
Ω
Copper,
100
Ω
Platinum, and 120
Ω
Nickel.
The RRTD converts resistance to temperature as per the values in the following table. The M60 reads the RTD temperatures
from the RRTD once every five seconds and applies protection accordingly. The RRTDs can be used to provide RTD bias in
the existing thermal model.
Table 5-45: RTD temperature vs resistance
An RRTD open condition is detected when actual RRTD resistance is greater than 1000 ohms and RRTD open is displayed
as “250°C” in the M60.
An RRTD short condition is detected when actual RRTD temperature is less than –40°C and RRTD short is displayed as is “–
50°C” in the M60.
RRTD 1 APPLICATION
— This setting allows each remote RTD to be assigned to a group application. This is useful for
applications that require group measurement for voting. A value of “None” specifies that the remote RTD operates
individually and not part of any RTD group. All remote RTDs programmed to “Stator” are used for RTD biasing of the M60
thermal model. Common groups are provided for rotating machines applications, such as ambient, bearing, group 1, or
group 2. If the
REMOTE RTD 1 TRIP VOTING
setting value is “Group”, then it is allowed to issue a trip if N – 1 RTDs from the
same group also pick up, where N is the number of enabled RTDs from the group.
RRTD 1 ALARM TEMPERATURE
— This setting specifies the temperature pickup level for the alarm stage. The range of 1 to
200°C differs from the existing RTD settings to correspond to the range of the RRTD unit.
Temperature
Resistance (in ohms)
°C
°F
100 ohm Pt
(DIN 43760)
120 ohm Ni
100 ohm Ni
10 ohm Cu
–40
–40
84.27
92.76
79.13
7.49
–30
–22
88.22
99.41
84.15
7.88
–20
–4
92.16
106.15
89.23
8.26
–10
14
96.09
113
94.58
8.65
0
32
100
120
100
9.04
10
50
103.9
127.17
105.6
9.42
20
68
107.79
134.52
111.2
9.81
30
86
111.67
142.06
117.1
10.19
40
104
115.54
149.79
123
10.58
50
122
119.39
157.74
129.1
10.97
60
140
123.24
165.9
135.3
11.35
70
158
127.07
174.25
141.7
11.74
80
176
130.89
182.84
148.3
12.12
90
194
134.7
191.64
154.9
12.51
100
212
138.5
200.64
161.8
12.9
110
230
142.29
209.85
168.8
13.28
120
248
146.06
219.29
176
13.67
130
266
149.82
228.96
183.3
14.06
140
284
153.58
238.85
190.9
14.44
150
302
157.32
248.95
198.7
14.83
160
320
161.04
259.3
206.6
15.22
170
338
164.76
269.91
214.8
15.61
180
356
168.47
280.77
223.2
16
190
374
172.46
291.96
231.6
16.39
200
392
175.84
303.46
240
16.78
Содержание M60
Страница 9: ...TABLE OF CONTENTS M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ix INDEX ...
Страница 10: ...x M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TABLE OF CONTENTS ...
Страница 14: ...1 4 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION 1 ...
Страница 208: ...4 88 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FLEXLOGIC DESIGN USING ENGINEER CHAPTER 4 INTERFACES 4 ...
Страница 494: ...5 286 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL CONTROL ELEMENTS CHAPTER 5 SETTINGS 5 Figure 5 158 Time out mode ...
Страница 552: ...5 344 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 5 SETTINGS 5 ...
Страница 596: ...7 14 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TARGETS MENU CHAPTER 7 COMMANDS AND TARGETS 7 ...
Страница 602: ...9 4 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL SATURATION DETECTOR CHAPTER 9 THEORY OF OPERATION 9 ...
Страница 652: ...C 6 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL COMMAND LINE INTERFACE APPENDIX C COMMAND LINE INTERFACE C ...
Страница 660: ...iv M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ABBREVIATIONS ...