70
MOVIDRIVE
®
MD_60A Operating Instructions
Fault information
6.2
Fault information
Fault memory
The fault memory (P080) stores the last five fault messages (faults t-0 – t-4). The fault
message of longest standing is deleted whenever more than five fault messages have
occurred. The following information is stored when a malfunction takes place:
Fault which occurred
•
Status of the binary inputs/outputs
•
Operational status of the
inverter
•
Inverter status
•
Heat sink temperature
•
Speed
•
Output current
•
Active
current
•
Unit utilization
•
DC link circuit voltage
•
ON hours
•
Enable hours
•
Parameter
set
•
Motor utilization.
Switch-off
responses
There are three switch-off responses depending on the fault; the inverter is inhibited
when in fault status:
Immediate switch-
off
The unit can no longer brake the drive; the output stage goes to high resistance in the
event of a fault and the brake is applied immediately (DBØØ "/Brake" = "0").
Rapid stop
The drive is braked with the stop ramp t13/t23. Once the stop speed is reached, the
brake is applied (DBØØ "/Brake" = "0"). The output stage goes to high-resistance after
the brake reaction time has elapsed (P732 / P735).
Emergency stop
The drive is braked with the emergency ramp t14/t24. Once the stop speed is reached,
the brake is applied (DBØØ "/Brake" = "0"). The output stage goes to high-resistance
after the brake reaction time has elapsed (P732 / P735).
Reset
A fault message can be acknowledged by:
•
Switching the supply system off and on again.
Recommendation: Observe a minimum switch-off time of 10 s for the supply system
contactor K11.
•
Reset via input terminals, i.e. via an appropriately assigned binary input (DIØ1 –
DIØ5 with the basic unit, DI1Ø – DI17 with the DIO11A option).
•
Manual reset in SHELL (P840 = "YES" or [Parameter] / [Manual reset]).
•
Manual reset using the DBG11A (pressing the <E> key in the event of a fault gives
direct access to parameter P840).
•
Auto reset performs up to five unit resets with an adjustable restart time. Not to be
used with drives where an automatic restart represents a risk of injury to people or
damage to equipment.
Timeout active
If the inverter is controlled via a communications interface (fieldbus, RS-485 or SBus)
and the power was switched off and back on again or a fault reset was performed, then
the enable remains ineffective until the inverter once again receives valid data via the
interface which is monitored with a timeout.
Содержание MOVIDRIVE MD*60A Series
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