U3: Fault History - Omron Q2A Series Technical Manual

11.15 U: MONITORS
No.
Name
(Hex.)
U2-13 DrvStat@PrevFault
(008C)
U2-14 OpeTime@PreFault
(008D)
U2-15 SFSFreq@PrevFault
(07E0)
U2-16 qCurrent@PrevFault
(07E1)
U2-17 dCurrent@PreFault
(07E2)
U2-19 RotorDev@PrevFault
(07EC)
U2-20 DrvTemp@PreFault
(008E)
U2-21 STPoSt@PrevFault
(1166)
Expert
◆

U3: FAULT HISTORY

No.
Name
(Hex.)
U3-01 to U3-10 1st to 10th Newest Fault Shows the fault history of the first to tenth most recent faults.
(0090 - 0093)
(0804 - 0809)
U3-11 to U3-20 1st to 10th NewstFlt
Timing
(0094 - 0097,
080E - 0813)
476
Description
Shows the operation status of the drive at the most recent fault where 1 = (ON) and 0 =
(OFF).
For example, U2-13 shows "00000001" during run.
Use U1-12 [Drive Status] to monitor the actual drive status.
bit 0 : During run
bit 1 : During zero-speed
bit 2 : During reverse
bit 3 : During fault reset signal input
bit 4 : During speed agreement
bit 5 : Drive ready
bit 6 : During minor fault detection
bit 7 : During fault detection
Shows the cumulative operation time of the drive at the fault that occurred most
recently.
Use U4-01 [Cumulative OpeTime] to monitor the actual cumulative operation time.
Unit: 1 h
Shows the output frequency after soft start at the fault that occurred most recently.
Use U1-16 [SFS Output Frequency] to monitor the actual output frequency after soft
start.
Unit: 0.01 Hz
Shows the q-axis current of the motor at the fault that occurred most recently.
Use U6-01 [Iq Sec Current] to monitor the actual q-Axis current of the motor.
Unit: 0.1 %
Shows the d-axis current of the motor at the fault that occurred most recently.
Use U6-02 [Id ExcCurrent] to monitor the actual d-Axis current of the motor.
Unit: 0.1 %
Shows the amount of control axis deviation (Δθ) at the fault that occurred most recently.
Use U6-10 [ContAxisDeviation] to monitor the actual amount of control axis deviation
(Δθ).
Unit: 0.1 °
Shows the heatsink temperature at the fault that occurred most recently.
Use U4-08 [Heatsink Temperature] to monitor the actual temperature of the heatsink.
Unit: 1 °C
Monitors conditions to detect STPo [Motor Step-Out Detected] faults. The bit for each
condition is displayed as ON or OFF.
bit 0 : Excessive current
bit 1 : Induced voltage deviation
bit 2 : d-axis current deviation
bit 3 : Motor lock at startup
bit 4 : Acceleration stall continue
bit 5 : Acceleration stall repeat
bit 6 : Not used (normal value of 0).
bit 7 : Not used (normal value of 0).
Description
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.
Shows the cumulative operation time when the first to tenth 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.
MFAO Signal Level
No signal output
available
No signal output
available
No signal output
available
No signal output
available
No signal output
available
No signal output
available
No signal output
available
No signal output
available
MFAO Signal Level
No signal output
available
No signal output
available
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
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