(H) Protective function parameter
99
5
GROUP
H
Emergency drive operation selection (Pr.523)
Use
Pr.523
Emergency drive mode selection to select the emergency drive operation.
Retry operation during emergency drive (Pr.515, Pr.514)
• .Set the retry operation during emergency drive operation. Use
Pr.515
Emergency drive dedicated retry count to set
theretry count, and use
Pr.514
Emergency drive dedicated retry waiting time
to set the retry waiting time.
• The ALM signal output conditions depend on the
Pr.67
Number of retries at fault occurrence setting.
• For the protective functions (critical faults) for which a retry is performed during emergency drive operation, refer to
Retry count check (Pr.69)
• Reading the
Pr.69
value provides the cumulative number of successful restart times made by retries. The cumulative count
in
Pr.69
increases by 1 when a retry is successful. Retry is regarded as successful when normal operation continues
without a fault for the
Pr.514
setting multiplied by four or longer (3.1 seconds at the shortest). (When retry is successful, the
cumulative number of retry failures is cleared.)
• Writing "0" in
Pr.69
clears the cumulative count.
Operation of protective functions during emergency drive
• Operation of protective functions during emergency drive is as follows.
The output is shut off when one of the faults to shut off the output shown in the table occurs in a slave.
The output is shut off when the protection function is activated in the slave converter unit.
Pr.523 setting
Description
100
When a critical fault occurs, the RDA signal is turned OFF and the RDB signal is turned ON to
disable inverter operation.
200
Retry operation when a critical fault occurs. (When a critical fault for which retry is not
permitted occurs, the RDA signal is turned OFF and the RDB signal is turned ON to disable
inverter operation.) When a critical fault for which retry is not permitted occurs or when the
retry count is exceeded, the RDA signal is turned OFF and the RDB signal is turned ON to
disable inverter operation.
9999
Emergency drive disabled.
Protective
function
Operation during
emergency drive
Protective
function
Operation during
emergency drive
Protective
function
Operation during
emergency drive
E.OVT
Retry
E.OP1
The function is disabled.
E.CTE
The function is disabled.
E.THC
Retry
E.PA1
Retry or Output shutoff
E.P24
The function is disabled.
E.FIN
Retry
E.PA2
Retry or Output shutoff
E.IOH
Output shutoff
E.IPF
The function is disabled.
E.PE
Output shutoff
E.SER
Retry
E.UVT
The function is disabled.
E.PUE
The function is disabled.
E.PBT
Retry
E.ILF
The function is disabled.
E.RET
Output shutoff
E.5
Retry
E.OHT
Retry
E.PE2
Output shutoff
E.6
Retry
E.OPT
The function is disabled.
E.CPU
Retry
E.7
Retry
E.13
Output shutoff
RDB
ON
ON
OFF
OFF
OFF
RDA
ON
RDB
ON
ON
ON
RDA ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
Retry failure example
Fault
occurrence
First
retry
Fault
occurrence
Second
retry
Fault
occurrence
Third
retry
Retry failure
(E.RET)
ON
Fault signal
(ALM)
Pr.514
Pr.514
Pr.514
Time
Y64
ON
ON
ON
Y64
Pr.514
Pr.514
×4
(If it is below 3.1s, 3.1s is set.)
Retry success
Retry success example
Success count + 1
Time
ON
Fault occurrence
Retry success count
Retry starts
Summary of Contents for FR-CC2-P
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