YASKAWA VARISPEED-656RC5, Instruction Manual, Page: 61 / 66

62
Func-
tion
Con-
stant
No.
Name Function
Output Signal Level for
Multi-function
Analog Outputs
Min.
Unit
U1 21
Voltage deviation
Monitors the deviation between the AC power supply volt- 200 V class : 400 V/10 V
1 V
Status
U1-21
V Deviation
Monitors the deviation between the AC power supply volt-
age and the main circuit DC voltage.
200 V class : 400 V/10 V
400 V class : 800 V/10 V
1 V
Status
Monitor
U1 28
Software No. (CPU)
(Manufacturer’s ID number)
U1-28
CPU ID
(Manufacturer’s ID number) −
U2 01
Current fault
Information on the current fault U2-01
Current Fault
Information on the current fault −
U2 02
Last fault
Information on the last fault U2-02
Last Fault
Information on the last fault −
U2 04
DC bus voltage at fault
Main circuit DC voltage value when the “last fault” oc-
1 V
U2-04
DC Bus Voltage
Main circuit DC voltage value when the last fault oc-
curred.
1 V
U2-06
Power supply voltage at
fault
AC power supply voltage value when the “last fault” oc-
curred
1 V U2-06
AC Voltage
curred.
1 V
U2-07
Power side current at
fault
Current value at AC power side when the “last fault” oc-
curred
1 A
U2-07
AC Current
curred.
1 A
U2 08
Power at fault
Power at AC power side when the “last fault” occurred 1 kW U2-08
AC Power
Power at AC power side when the “last fault” occurred. 1 kW
Fault
Trace
U2-10
Power side frequency at
fault
Frequency at AC power side when the “last fault” occurred.
0.01
Hz
Trace
U2-10
AC Frequency
Frequency at AC power side when the last fault occurred.
Hz
U2-11
Input terminal status at
fault
Input terminal status when the “last fault” occurred.
(Same format as U1 10 )
− U2-11
Input Term Sts
(Same format as U1-10.)
−
U2-12
Output terminal status at
fault
Output terminal status when the “last fault” occurred.
(Same format as U1 11 )
− U2-12
Output Term Sts
(Same format as U1-11.)
−
U2 13
Operation status at fault
Operating status when the “last fault” occurred.
U2-13
Regen Unit Sts
Operating status when the last fault occurred.
(Same format as U1-12.)
(Cannot be output)
−
U2-14
Cumulative operation
time at fault
Elapsed operating or power-on time when the “last fault”
occurred
( p )
1 H U2-14
Elapsed Time
occurred.
1 H
U2-20
Voltage deviation input at
fault
Voltage deviation when the “last fault” occurred. 1 V
U2-20
V Deviation
Voltage deviation when the last fault occurred. 1 V
U3 01
Most recent fault
Information on the last fault
U3-01
Last Fault
Information on the last fault. −
U3 02
Second most recent fault
Information on the 2
nd
to last fault U3-02
Fault Message 2
Information on the 2
nd
to last fault. −
U3 03
Third most recent fault
Information on the 3
rd
to last fault U3-03
Fault Message 3
Information on the 3
rd
to last fault. −
U3 04
Fourth/oldest fault
Information on the 4
th
to last fault
U3-04
Fault Message 4
Information on the 4
th
to last fault. −
Fault
Hi t
U3-05
Cumulative operation
time at fault
Elapsed running or power-on time when the last fault oc-
curred
1 H
History
U3-05
Elapsed Time 1
curred.
1 H
U3-06
Accumulated time of se-
cond fault
Elapsed running or power-on time when the 2
nd
to last fault
occurred
1 H
U3-06
Elapsed Time 2
occurred.
1 H
U3-07
Accumulated time of third
fault
Elapsed running or power-on time when the 3
rd
to last fault
occurred
1 H U3-07
Elapsed Time 3
occurred.
1 H
U3-08
Accumulated time of
fourth/oldest fault
Elapsed running or power-on time when the 4
th
to last fault
occurred
1 H
U3-08
Elapsed Time 4
occurred.
1 H