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I.L. 17562
Page 63
PR 0.3 Effective 8/99
Emergency Override allows a panic restart of a tripped motor without completely disabling
protection. When the override request is received, the thermal-model accumulator bucket is
drained to its initial level of 40 degrees C. Jogging limit counters and timing, including
antibackspin timing, are reset. Cold starts are fully restored.
The motor protection is now in the state it would be in if the motor had been standing for a long
time prior to the moment of the override. This will allow an immediate restart of the motor. The
override can also delay an impending thermal trip of a running motor. The emergency override
action is counted in the history record, and noted with its time tag in the logbook record.
CAUTION
The EMERGENCY OVERRIDE function clears and restarts all protective functions of the MP-
3000. You can damage the motor. Use only for true emergencies, when you are aware of what
caused the trip. Override lets you risk motor damage to avoid an even more dangerous process
situation caused by the tripping of the motor.
5.12.8 Setpoint P12L8, Set Real Time Clock Display (12 HOUR or 24 HOUR) —
Select the
time display to be the 12 hour format (with AM or PM) or the 24 hour (military time or
international time) format.
5.12.9 Setpoint P12L9, Month (MONTH) —
Set the real-time clock month, 1 to 12.
5.12.10 Setpoint P12L10, Day (DAY) —
Set the real-time clock day of the month. The MP-
3000 tracks leap years to the year 2100.
5.12.11 Setpoint P12L11, Year (YEAR) —
Set the real-time clock year.
NOTE
MP-3000 timekeeping is Y2K compliant. When
setting
only, the year values for the first decade
are entered as single digits. When later displaying any date, the year is always presented as two
digits. Examples:
•
1999:
Setpoint and all displays of date are 99.
•
2000:
Setpoint is 0; all displays of date are then 00.
•
2004:
Setpoint is 4; all displays of date are then 04.
•
2019:
Setpoint and displays are all 19.
5.12.12 Setpoint P12L12 , Hour (HOUR) —
Set the real-time clock hour (0 to 23) Use 13 to 23
for setting even if the 12-hour AM/PM mode was selected above for display.
5.12.13 Setpoint P12L13, Minute (MIN) —
Set the real-time clock minute. The minute does not
update on its own while the relay is in program mode, so make this the last setting to adjust
before exiting.
NOTE
There is no setpoint for seconds. The clock seconds are set to zero when the user exits the
program mode. To synchronize the seconds, set the minute value ahead, and exit (hit the
program
button) as the next minute begins.
Содержание 66D2032G01
Страница 18: ...Page 18 I L 17562 PR 0 3 Effective 8 99 Figure 4 1 MP 3000 Pushbuttons...
Страница 19: ...I L 17562 Page 19 PR 0 3 Effective 8 99 Figure 4 2 MP 3000 LED Indicators...
Страница 72: ...Page 72 I L 17562 PR 0 3 Effective 8 99 Figure 6 1 Panel Cutout Dimensions...
Страница 73: ...I L 17562 Page 73 PR 0 3 Effective 8 99 Figure 6 2 Faceplate Dimensions...
Страница 74: ...Page 74 I L 17562 PR 0 3 Effective 8 99 Figure 6 3 MP 3000 Case Depth Dimensions...
Страница 75: ...I L 17562 Page 75 PR 0 3 Effective 8 99 Figure 6 4 Universal RTD Module Mounting Dimensions...
Страница 76: ...Page 76 I L 17562 PR 0 3 Effective 8 99 Figure 6 5 Rear Panel Terminals...
Страница 77: ...I L 17562 Page 77 PR 0 3 Effective 8 99 Figure 6 6 Typical Ct Circuits and Motor Control Wiring...
Страница 78: ...Page 78 I L 17562 PR 0 3 Effective 8 99 Figure 6 7 Typical ac Supply and URTD Wiring...
Страница 79: ...I L 17562 Page 79 PR 0 3 Effective 8 99 Figure 6 8 Alternatives for Discrete Input Wiring...
Страница 80: ...Page 80 I L 17562 PR 0 3 Effective 8 99 Figure 6 9 RTD Wiring to URTD Module...
Страница 88: ...Page 88 I L 17562 PR 0 3 Effective 8 99 Figure 8 1 System Overview Figure 8 2 Torques from Sequence Currents...
Страница 100: ...Page 100 I L 17562 PR 0 3 Effective 8 99 Figure 9 1 Rotor Temperature Tracking...
Страница 101: ...I L 17562 Page 101 PR 0 3 Effective 8 99 Figure 9 2 Motor Protection Curve...
Страница 102: ...Page 102 I L 17562 PR 0 3 Effective 8 99 Figure 9 3 Underload Jam Protection Curve...
Страница 103: ...I L 17562 Page 103 PR 0 3 Effective 8 99 Figure 9 4 Motor Protection Curve Example without RTDs...
Страница 104: ...Page 104 I L 17562 PR 0 3 Effective 8 99 Figure 9 5 Motor Protection Curve Example with RTDs...
Страница 105: ...I L 17562 Page 105 PR 0 3 Effective 8 99 Figure 9 6 Motor Start and Run Cycles...
Страница 109: ...I L 17562 Page 109 PR 0 3 Effective 8 99 P5L8 40 Incomplete Sequence time 1 60s OFF 1 240s...