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Parameter
Parameter Name /
Function
No.
Current fault
U2-01
Current Fault
Last fault
U2-02
Last Fault
DC bus voltage at fault
U2-04
DC Bus Voltage
Power supply voltage at fault
U2-06
AC Voltage
Power side current at fault
U2-07
AC Current
Power at fault
U2-08
AC Power
Fault
Power side frequency at fault
Trace
U2-10
AC Frequency
Input terminal status at fault
U2-11
Input Term Sts
Output terminal status at fault
U2-12
Output Term Sts
Operation status at fault
U2-13
Regen Unit Sts
Cumulative operation time at
fault
U2-14
Elapsed Time
Voltage deviation input at fault
U2-20
V Deviation
Most recent fault
U3-01
Last Fault
Second most recent fault
U3-02
Fault Message 2
Third most recent fault
U3-03
Fault Message 3
Fourth/oldest fault
U3-04
Fault Message 4
Cumulative operation time at
Fault
fault
U3-05
History
Elapsed Time 1
Accumulated time of second
fault
U3-06
Elapsed Time 2
Accumulated time of third fault Elapsed running or power-on time when the 3rd to last fault
U3-07
Elapsed Time 3
Accumulated time of fourth/
oldest fault
U3-08
Elapsed Time 4
YASKAWA ELECTRIC TOEP C710656 01C YASKAWA - RC5 Instruction Manual
Display
Information on the current fault
Information on the last fault
Main circuit DC voltage value when the "last fault" occurred.
AC power supply voltage value when the "last fault" occurred.
Current value at AC power side when the "last fault" occurred.
Power at AC power side when the "last fault" occurred.
Frequency at AC power side when the "last fault" occurred.
Input terminal status when the "last fault" occurred.
(Same format as U1-10.)
Output terminal status when the "last fault" occurred.
(Same format as U1-11.)
Operating status when the "last fault" occurred.
(Same format as U1-12.)
Elapsed operating or power-on time when the "last fault" occurred.
Voltage deviation when the "last fault" occurred.
Information on the last fault.
Information on the 2nd to last fault.
Information on the 3rd to last fault.
Information on the 4th to last fault.
Elapsed running or power-on time when the last fault occurred.
Elapsed running or power-on time when the 2nd to last fault
occurred.
occurred.
Elapsed running or power-on time when the 4th to last fault
occurred.
Function
Output Signal Level for
Min.
Multi-function Analog
Unit
Outputs
1 kW
0.01 Hz
(Cannot be output)
—
—
1 V
1 V
1 A
—
—
—
1 H
1 V
—
—
—
—
1 H
1 H
1 H
1 H
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