OPERATION
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3.6 Operation When an Alarm Occurs.
The following table shows the behavior of the inverter and network when
an alarm occurs:
*1 Depends on the type of communication fault.
*2 For examples, E.OP3, E.OC1.
Fault Type
Item
Net
Ext
PU
Inverter (*2)
Inverter Operation Stop
Stop
Stop
Network Comm.
Continue
Continue
Continue
PROFIBUS
Comm.
Inverter Operation Stop
Continue
Continue
Network Comm.
Continue (*1)
Continue (*1)
Continue (*1)
PROFIBUS-DP communication routines should check the "
acknowledge bits ( PKE-AK) returned by slave device to verify
successful transmission of the command and acceptance by
slave device. See page 51 for details.
For your safety, the output frequency of the inverter should
always be monitored via Profibus. The actual frequency of the
inverter should match the frequency setting issued by the
master. If the output frequency of the inverter is less than the
frequency (RFR) set by the master, a STOP command has been
issued.
CAUTION
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