Code Alarm F60 Installation Manual Page 129

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Detected Fault Management Parameters
S1A53838 09/2011 129
Code Name / Description Factory setting
F605 [Output phase loss]
Output phase loss detection Mode 3
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
z If F605 = 0, loss of cable is not detected
z If F605 =1 or 2, loss of cable is only detected at the startup of the motor
z Check this action will not endanger personnel or equipment in any way
Failure to follow these instructions will result in death or serious injury.
0
1
2
3
4
5
If output phase loss detection is enabled and an output phase loss persists for more than 1 second, the drive will trip and display
the EPH0 code.
[Disabled]
If parameter F605 is set to 0, output phase loss detection is disabled.
[First start]: At the first start-up.
If parameter F605 is set to 1, an output phase loss check is made only during the first motor start-up after power is applied to
the drive.
[Each start]: At every start-up.
If parameter F605 is set to 2, an output phase loss check is made every time the motor is started.
[During run]: During operation.
If parameter F605 is set to 3, continuous output phase loss monitoring is performed while the motor is running.
[Permanent]: At start-up and during operation.
If parameter F605 is set to 4, monitoring for an output phase loss is performed at motor start-up and continuously during op-
eration.
[Output contactor]: Load side disconnect mode.
Setting 5 for parameter F605 is for applications with a load side disconnect. The drive will automatically restart the motor if the
following are true:
- An all-phase loss has been detected (an output contactor or a load side disconnect has opened)
- The drive detects that a 3-phase connection has been reestablished (the output contactor or load side disconnect has
closed). It is necessary to wait 1 s between disconnection and connection. See following scheme to have an example of
loss of output contactor.
- A valid run command exists.
An output phase loss detection sweep is made as part of the auto-tuning process, regardless of the setting of parameter F605.
High-speed motors and other special motors may cause nuisance output phase losss.
t
t
Speed
Ouput contactor
t1 t2
1
0
t1: deceleration without ramp (freewheel)
t2: acceleration with ramp
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