Mitsubishi Electric FR-F800 Series Instruction Manual page 278
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- Instruction manual (615 pages) ,
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• The retry function is enabled when the Pr.67 setting is other than "0". Set the number of retries at activation of the protective
function in Pr.67.
Pr.67 setting
0
1 to 10
101 to 110
• When retries fail consecutively more than the number of times set in Pr.67, a retry count excess (E.RET) occurs, resulting
in an inverter retries. (Refer to the Retry failure example.)
• Use Pr.68 to set the waiting time from a protective function activation to a retry in the range of 0.1 to 600 seconds.
• During retry operation, the During retry (Y64) signal is ON. For the Y64 signal, set "64 (positive logic)" or "164 (negative
logic)" in any parameter from Pr.190 to Pr.196 (Output terminal function selection) to assign the function.
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.68 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.
Pr.68
Inverter
output
frequency
0
Fault occurrence
Retry success count
Y64
Selecting retry generating faults (Pr.65)
• Using Pr.65, the fault that causes a retry is selectable. No retry is made for the fault not indicated. (For the fault details,
refer to
page
Retry-making
fault
E.OC1
E.OC2
E.OC3
E.OV1
E.OV2
E.OV3
E.THM
E.THT
E.IPF
E.UVT
E. BE
E. GF
E.OHT
E.OLT
E.OPT
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Fault output during retry
operation
—
Not available
Available
Retry success
Pr. 68 × 4
(If it is below 3.1s, 3.1s is set.)
Retry start
Success count + 1
ON
Retry success example
594.) ● indicates the faults selected for retry.
Pr.65 setting
0
1
2
3
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
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Retry count
No retry function
1 to 10 times
1 to 10 times
Pr.68
Inverter
output
frequency
0
Time
First
retry
Fault
occurrence
Fault signal
(ALM)
ON
Y64
Retry-making
fault
4
5
●
●
E.OP1
●
E. PE
●
●
E.OS
●
E.PTC
●
E.CDO
●
E.SER
E.USB
E.ILF
●
E.PID
●
E.PCH
●
E.SOT
●
E.LCI
E.LUP
●
E.LDN
●
Pr.68
Pr.68
Second
Third
retry
retry
Retry failure
Fault
Fault
occurrence
occurrence
ON
ON
Retry failure example
Pr.65 setting
0
1
2
●
●
●
●
●
●
●
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●
●
●
●
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●
5.7 (H) Protective function parameter
1
2
3
4
5
6
7
8
Time
9
(E.RET)
ON
10
3
4
5
●
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277
5. PARAMETERS
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