Yaskawa J7 Drive User Manual
Page 81

6-8
Constant
No.
Name
Description
U-01
Frequency reference
Hz
Frequency reference can be monitored.
(FREF)
(Same as FREF)
U-02
Output frequency
Hz
Output frequency can be monitored.
(FOUT)
(Same as FOUT)
U-03
Output current
Hz
Output current can be monitored.
(IOUT)
(Same as IOUT)
U-04
Output voltage
V
Output voltage can be monitored.
U-05
DC voltage
V
Main circuit DC voltage can be monitored.
U-06
Input terminal status
—
Input terminal status can be monitored.
(see paragraph 4.4)
U-07
Output terminal status
—
Output terminal status can be monitored.
(see paragraph 4.4)
U-09
Fault history
—
Last four fault history is displayed.
(last 4 faults)
(see paragraph 4.4)
U-10
Software No.
—
Software No. can be checked.
U-15
Data reception error
—
See Table below
• Monitoring
Following items can be monitored by U-constants
U-15
Description
Data
0
CRC Error
1
Data Length Error
2
Not Used
3
Parity Error
4
Overrun Error
5
Framing Error
6
Time out Error