11.16 U: MONITORS
396 SIEPCYEUOQ2V01A Q2V Technical Manual
◆ U3: FAULT HISTORY
No.
(Hex.)
Name Description MFAO Signal Level
U3-01 to U3-04
(0090 - 0093)
(0800 - 0803)
1st to 4th Newest Fault
Shows the fault history of the first to fourth most recent faults.
Note:
The drive saves the U3-01 to U3-04 [1st to 4th Newest Fault] fault histories to two types of
registers at the same time for the Modbus communications.
No signal output available
U3-05 to U3-10
(0804 - 0809)
5th to 10th Newest Fault
Shows the fault history of the fifth to tenth most recent faults.
No signal output available
U3-11 to U3-14
(0094 - 0097)
(080A - 080D)
1st to 4th NewstFlt Timing
Shows the cumulative operation time when the first to fourth most recent faults occurred.
Unit: 1 h
Note:
The drive saves the U3-11 to U3-14 [1st to 4th NewstFlt Timing] the cumulative operation
time to two types of registers at the same time for the Modbus communications.
No signal output available
U3-15 to U3-20
(080E - 0813)
1st to 10th NewstFlt Timing
Shows the cumulative operation time when the fifth to tenth most recent faults occurred.
Unit: 1 h
No signal output available
◆ U4: MAINTENANCE
No.
(Hex.)
Name Description MFAO Signal Level
U4-01
(004C)
Cumulative OpeTime
Shows the cumulative operation time of the drive.
Use parameter o4-01 [Cum.Oper TimeSetting] to reset this monitor. Use parameter o4-02 [Cum.
Oper TimeSelect] to select the cumulative operation times from:
• The time from when the drive is energized until it is de-energized.
• The time at which the Run command is turned ON.
The maximum value that the monitor will show is 99999. After this value is more than 99999, the
drive automatically resets it and starts to count from 0 again.
Unit: 1 h
Note:
The Modbus communication data is shown in 10 h units. Use register 0099H for data in 1 h
units.
10 V: 99999 h
U4-02
(0075)
Num of Run Commands
Shows how many times that the drive has received a Run command.
Use parameter o4-13 [NumOfRunCom Init Counter] to reset this monitor. The maximum value
that the monitor will show is 65535. After this value is more than 65535, the drive automatically
resets it and starts to count from 0 again.
Unit: 1
10 V: 65535 times
U4-03
(0067)
Fan Oper.Time
Shows the cumulative operation time of the cooling fans.
Use parameter o4-03 [Fan.Oper Setting] to reset this monitor. The maximum value that the
monitor will show is 99999. After this value is more than 99999, the drive automatically resets it
and starts to count from 0 again.
Unit: 1 h
Note:
The Modbus communication data is shown in 10 h units. Use register 009BH for data in 1 h
units.
10 V: 99999 h
U4-04
(007E)
Cool Fan Maintenance
Shows the cumulative operation time of the cooling fans as a percentage of the replacement life of
the cooling fans.
Use parameter o4-03 [Fan.Oper Setting] to reset this monitor.
Unit: 1%
Note:
Replace the cooling fans when this monitor is 90%.
10 V: 100%
U4-05
(007C)
Capacitor Maintenance
Shows the operation time of the electrolytic capacitors for the main circuit and control circuit as a
percentage of the replacement life of the electrolytic capacitors.
Use parameter o4-05 [Cap.Maint.Setting] to reset this monitor.
Unit: 1%
Note:
Replace the electrolytic capacitor when this monitor is 90%.
10 V: 100%
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