CHAPTER 2: PRODUCT DESCRIPTION
SPECIFICATIONS
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
2-29
2
Current withstand:
20 ms at 250 times rated
1 sec at 100 times rated
continuous 4xInom
Short circuit rating:
150000 RMS symmetrical amperes, 250 V maximum (primary current to external CT)
AC VOLTAGE
VT rated secondary:
50.0 to 240.0 V
VT ratio:
1.00 to 24000.00
Relay burden:
< 0.25 VA at 120 V
Conversion range:
1 to 275 V
Voltage withstand:
continuous at 260 V to neutral
1 min/hr at 420 V to neutral
FREQUENCY
Nominal frequency setting:
25 to 60 Hz
Sampling frequency:
64 samples per power cycle
Tracking frequency range:
20 to 70 Hz
CONTACT INPUTS
Dry contacts:
1000
Ω
maximum
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return:
4
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:
4 mA (when energized)
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
1000
Ω
maximum
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return:
2
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:
4 mA (when energized)
Auto-burnish impulse current:
50 to 70 mA
Duration of auto-burnish impulse:
25 to 50 ms
DCMA INPUTS
Current input (mA DC):
0 to –1, 0 to +1, –1 to +1, 0 to 5, 0 to 10, 0 to 20, 4 to 20 (programmable)
Input impedance:
379
Ω
±10%
Conversion range:
–1 to + 20 mA DC
Accuracy:
±0.2% of full scale
Type:
Passive
RTD INPUTS
Types (3-wire):
100
Ω
Platinum, 100 and 120
Ω
Nickel, 10
Ω
Copper
Sensing current:
5 mA
Range:
–50 to +250°C
Accuracy:
±2°C
Isolation:
36 V pk-pk
REMOTE RTD INPUTS
Wire type:
three-wire
Sensor type:
100
Ω
platinum (DIN 43760), 100
Ω
nickel, 120
Ω
nickel, 10
Ω
copper
RTD sensing current:
3 mA
Содержание M60
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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 ...
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