7. Monitors
The V7 allows you to monitor various conditions, such as output current and status of
multi-function inputs. These monitors are indicated by "U-".
Key sequence
Indicator
Constant
Name
No.
U-01
Frequency reference
(FREF)*1
U-02
Output frequency
(FOUT)*1
U-03
Output current
(IOUT)*1
U-04
Output voltage
U-05
DC voltage
U-06
Input terminal status
U-07
Output terminal status
U-08
Torque monitor
U-09
Fault history (last 4 faults)
U-10
Software No.
U-11
Output power*2
U-12
Frequency offset monitor
U-14
ASCII code from the PLC
U-15
Data reception error
U-16
PID Feedback
U-17
PID input
U-18
PID output
U-19
Frequency reference bias
monitor
*1 The status indicator LED is not turned ON.
*2 When in the vector control mode,"---" will be displayed.
EN-20
Display example
Unit
Description
Hz
Frequency reference can be monitored.
(same as FREF)
Hz
Output frequency can be monitored.
(Same as FOUT)
A
Output current can be monitored.
(Same as IOUT)
V
Output voltage can be monitored.
V
Main circuit DC voltage can be monitored
-
Input terminal status of control circuit terminals can be
monitored.
-
Output terminal status of control circuit terminals can be
monitored.
%
The amount of output torque can be monitored. When V/f
control mode is selected, "----" is displayed.
-
Last four fault history is displayed.
-
Software No. can be checked.
KW
Output power can be checked.
Hz
Frequency offset can be monitored.
-
ASCII code from the PLC is displayed.
-
Contents of MEMOBUS communication data reception
error can be checked.
(contents of transmission register No. 003DH are the same)
%
Input 100(%) Max. output frequency or equivalen.
%
±100(%). Where Max. output frequency=100%
%
±100(%). Where Max. output frequency=100%
%
±100(%). Where Max. output frequency=100%
Explanation
Power ON
Press the Mode Key repeatedly until the PRGM
indicator is lit.
Use the Increment or Decrement Key to set the
monitor number.
Press the Enter Key.
The data of the selected monitor number will be
displayed.
Press the Enter or Mode Key.
The monitor number will be displayed.