YASKAWA Varispeed V7 - Page 50

5. Operating the Inverter
49
Monitoring
The following items can be monitored using U constants.
Constant
No.
Name Unit Description
U-01 Frequency Reference
(FREF)*
1
*
5
r/
min
Frequency reference can be monitored. (Same as
FREF)
U-02 Output Frequency
(FOUT)*
1
*
5
r/
min
Output frequency can be monitored.
(Same as FOUT)
U-03
Output Current (IOUT)*
1
A Output current can be monitored.
(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*
2
- Input terminal status of control circuit terminals can
be monitored.
U-07
Output Terminal Status*
2
- Output terminal status of control circuit terminals can
be monitored.
U-08 Torque Monitor % The amount of output torque can be monitored.
When V/f control mode is selected, “---” is displayed.
U-09 Fault History
(Last 4 Faults)
- The last four fault history records are displayed.
U-10 Software No. - Software number can be checked.
U-11
Output Power*
3
kW Output power can be monitored.
U-16
PID Feedback*
4
% Input 100(%)/Max. output frequency or equivalent
U-17
PID Input*
4
% ±100(%)/± Max. output frequency
U-18
PID Output*
4
% ±100(%)/± Max. output frequency
U-60 DeviceNet produced Connec-
tion Path (Connection Path Dur-
ing Operation)
70: Basic I/O Instance, Response
71: Extended I/O Instance, Response
150: MEMOBUS I/O Instance, Response
151: V7N Control I/O Instance, Response
152: Acceleration/Deceleration Time Control I/O In-
stance, Response
155: Extended MEMOBUS I/O Instance, Response
156: General-purpose DI/DO Control I/O Instance,
Response
20: Basic I/O Instance, Command
21: Extended I/O Instance, Command
100: MEMOBUS I/O Instance, Command
101: V7N Control I/O Instance, Command
102: Acceleration/Deceleration Time Control I/O In-
stance, Command
105: Extended MEMOBUS I/O Instance, Command
106: General-purpose DI/DO Control I/O Instance,
Command