Toshiba W7 Viewing Trip Information, Clearing a Trip

W7 ASD Installation and Operation Manual 153

Viewing Trip Information

In the event that the condition causing an Alarm does not return to the normal operating level within a

specified time a Trip is incurred.

When a trip occurs, the resultant error information may be viewed either from the Trip H isto ry screen

(Program System Information and Setup Trip Hist o ry) or from the Monitor screen.

The Trip Hi story screen records the system parameters for up to 24 trips (RTC option required). The

recorded trips are numbered from zero to 23. Once the Trip Hi story record reaches trip number 23, the

oldest recorded trip will be deleted with each new record stored (first-in first-o ut). T he Trip # field may be

selected and scrolled through to view the recorded trip inf ormati on for a gi ven trip num ber. The monitored

parameters are list ed in Table 14 as At-trip Recorded Parameters (parameter readings at the time th at

the trip occurred).

Tabl e 14. Trip History Record Parameters (RTC option required).

The Monitor s creen records and displays the trip name of up to four trips and catalogs each trip as Past

Trip #1 , Past Trip #2, Past Trip #3, and Past Trip #4. Once reset (Clear Trip), the trip records are

erased. If no trips have occurred since the last reset, No Error is displayed for each trip record.

Note: An improper ASD setup may cause some trips — reset the ASD to the fac tory default

settings before pursuing a systemic malfunction (Program Utilities Type Resets

Restore Factory Defaults).

The at-trip frequency of the last incurred trip may be viewed at the Monitor screen (see pg. 45). The

Monitor screen at-tri p record is erased when the ASD is reset and may be viewed without the use of the

RTC option. The current output frequency is displayed here when no trip is active.

Clearing a Trip

Once the cause of the trip has been corrected, performing a Reset re-enables the ASD for normal

operation (clears the fault screen).

The fault screen may also be cleared using either of the following methods:

• Cycling power (trip info may be saved via parameter 0602 if desired),

• P re ssi ng the St op|Reset key twice,

• Remotely via the communications channel,

• Mom entarily connecting terminal RES to CC of the Control Terminal Strip, or

• Via Program Utilities Type Resets Clear Psast Trips.

1) Trip Number 9) Bus Voltage 17) Torque Reference 25) ASD Load

2) Trip Ty pe 10) Discrete Input Status 18) Torque Current 26) DBR Load

3) Time and Date 11) OUT1/OUT2/FL Status 19) Excitation Current 27) Input Power

4) Frequency at Trip 12) Timer 20) PID Value 28) Output Power

5) Output Current 13) Post Compensati on Frequency 21) Motor Overload 29) Peak Current

6) Output Voltage 14) Feedback (inst.) 22) ASD Overload 30) Peak Voltage

7) Direction 15) Feedback (1 sec.) 23) DBR Overload 31) PG Speed

8) Frequency Reference 16) Torque 24) Motor Load 32) PG Position