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YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
5.11 U: Monitor Parameters
5.11 U: Monitor Parameters
Monitor parameters let the user view various aspects of drive performance using the digital operator display. Some
monitors can be output from terminals FM and AM by assigning the specific monitor parameter number (U
-
) to
Refer to H4-01, H4-04: Multi-Function Analog Output Terminal FM, AM Monitor Selection on
for details on assigning functions to an analog output.
◆
U1: Operation Status Monitors
Status monitors display drive status data such as output frequency and output current. Refer to
monitors and descriptions.
◆
U2: Fault Trace
These monitor parameters are used to view the status of various drive aspects when a fault occurs.
This information is helpful for finding out why a fault occurred. Refer to
for a complete list
of U2-
monitors and descriptions.
U2-
monitors are not reset when the drive is initialized.
Refer to o4-11: U2, U3 Initialization on page 336
for
instructions on how to reset these monitor values.
Note:
Fault trace (i.e., the fault history) is not kept when CPF00, CPF01, CPF06, CPF24, Fdv, oFA00, oFb00, oFC00, Uv1, and Uv2
occur.
◆
U3: Fault History
These parameters display faults that have occurred during operation as well as the drive operation time when those faults
occurred. Refer to
monitors and descriptions.
U3-
monitors are not reset when the drive is initialized.
Refer to o4-11: U2, U3 Initialization on page 336
for
instructions on how to reset these monitor values.
Note:
Fault trace (i.e., the fault history) is not kept when CPF00, CPF01, CPF06, CPF24, Fdv, oFA00, oFb00, oFC00, Uv1, and Uv2
occur.
◆
U4: Maintenance Monitors
Maintenance monitors show:
• Runtime data of the drive and cooling fans, and number of Run commands issued
• Maintenance data and replacement information for various drive components
• kWh data
• Highest peak current that has occurred and output frequency at the time the peak current occurred
• Motor overload status information
• Detailed information about the present Run command and frequency reference source selection
Refer to U4: Maintenance Monitors on page 527
monitors and descriptions.
◆
U5: PID Monitors
These monitors display various aspects of PID control.
Refer to PID Block Diagram on page 204
for details on how
these monitors display PID data.
monitors and descriptions.
SIEP_C710636_02B_1_0.book 338 ページ 2015年11月25日 水曜日 午後4時56分