Emerson unidrive m200 - Trips; Trip Categories and Priorities

Trips
Mode: Open‑loop
Trip0 (10.020) to Trip9 (10.029) store the most recent 10 trips that have occurred where Trip Trip0 (10.020) is the most recent and Trip9 (10.029) is the oldest. When a new trip
occurs it is written to Trip0 (10.020) and all the other trips move down the log, with the oldest being lost.
The date and time when each trip occurs are also stored in the date and time log, i.e. Trip0Date (10.041) to Trip9Time (10.060). The date and time are taken from Date (06.016)
and Time (06.017) (See Date/TimeSelector (06.019)). Some trips have sub-trip numbers which give more detail about the reason for the trip. If a trip has a sub-trip number its value
is stored in the sub-trip log, i.e. Trip0Sub-tripNumber (10.070) to Trip9Sub-tripNumber (10.079). If the trip does not have a sub-trip number then zero is stored in the sub-trip log.
Trip categories and priorities
Trips are grouped into the categories given in the table below. A trip can only occur when the drive is not tripped, or if it is already tripped and the new trip has a higher priority than
the active trip (i.e. lower priority number). Unless otherwise stated a trip cannot be reset until 1.0s after it has been initiated.
Priority Category Trips Comments
1 Internal faults HF01 - HF19
These are fatal problems that cannot be reset. All drive features are inactive after any of these trips occur. If a basic keypad is
fitted it will show the trip, but the keypad will not function. These trips are not stored in the trip log.
1 Stored HF trip StoredHF This trip cannot be cleared unless 1299 is entered into Parametermm.000 (mm.000) and a reset is initiated.
2 Non-resettable trips
Trip numbers 218
- 247 and
Slot1HF
These trips cannot be reset.
3 Volatile memory failure EEPROMFail
This can only be reset if Parametermm.000 (mm.000) is set to 1233 or 1244, or if LoadDefaults (11.043) is set to a non-zero
value
4 Non-volatile media trips
Trip numbers 174,
175 and 177 - 188
These trips are priority 5 during power-up
5
Trips with extended
reset times
OIac and
OIBrake
These trips cannot be reset until 10s after the trip was initiated.
5
Phase loss and d.c. link
power circuit protection
PhaseLoss and
OHtdcbus
The drive will attempt to stop the motor before tripping if a PhaseLoss.000 trip occurs unless this feature has been disabled
(see ActionOnTripDetection (10.037)). The drive will always attempt to stop the motor before tripping if an OHtdcbus occurs.
5 Standard trips All other trips
Trips {HF01} to {HF19} are internal faults that do not have trip numbers. If one of these trips occurs, the main drive processor has detected an irrecoverable error. All drive functions
are stopped and the trip message will be displayed on the drive keypad. The error can only be reset by powering the drive down and up again. The table below gives the reasons for
internal faults and their corresponding trip
242
Unidrive M200 Parameter Reference Guide
Issue: 01.05.00.10