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YASKAWA ELECTRIC
SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
5.12 U: Monitor Parameters
5.12 U: Monitor Parameters
Monitor parameters let the user view various aspects of drive performance as it is shown on the operator display.
Some monitors can be output from terminal AM by assigning the specific monitor parameter number to H4-01.
H4-01: Multi-Function Analog Output Terminal AM Monitor Selection on page 182
for details on assigning functions
to the analog output.
◆
U1: Operation Status Monitors
Status monitors display drive status like output frequency, current etc.
Refer to U1: Operation Status Monitors on
for a complete list of U1-
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 U2: Fault Trace on page 359
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 218
for
instructions to initialize the fault trace.
◆
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 U3: Fault History on page 360
for a complete list of U3-
monitors and descriptions.
U3-
monitors are not reset when the drive is initialized.
Refer to o4-11: U2, U3 Initialization on page 218
for
instructions to initialize the fault trace.
◆
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 361
for a complete list of U4-
monitors and descriptions.
◆
U5: PID Monitors
These monitors display various aspects of PID control.
Refer to PID Block Diagram on page 123
for a description of
where each monitor is located in the PID control block.
Refer to U5: PID Monitors on page 363
for a complete list of U5-
monitors and descriptions.