U: Monitor Parameters; U: Monitor Parameters; U1: Operation Status Monitors; U2: Fault Trace - YASKAWA V1000 Technical Manual

5.11 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 Terminal AM Monitor Selection on page 200
analog output.
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U1: Operation Status Monitors

Status monitors display drive status like output frequency, current etc. Refer to U1: Operation Status Monitors on page
371 for a complete list of U1-oo monitors and descriptions.
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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
and descriptions.
U2-oo monitors are not reset when the drive is initialized.
instructions to initialize the fault trace.
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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
U3-oo monitors are not reset when the drive is initialized.
instructions to initialize the fault trace.
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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
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U5: PID Monitors

These monitors display various aspects of PID control.
where each monitor is located in the PID control block.
Refer to U5: PID Monitors on page
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U6: Control Monitors

Control monitors show:
• Reference data for the output voltage and vector control.
• ASR monitors. Refer to C5: Automatic Speed Regulator (ASR) on page 148
where in the ASR block the monitors are located.
• The offset value added to the frequency reference by the Frequency Offset function.
Frequency 1/2/3 Addition on page
• The bias value added to the frequency reference by the Up/Down 2 function.
page 184.
Refer to U6: Control Monitors on page
Note: Fix monitors U6-80 to U6-99 for communication options. Monitor content will vary based on the communication option card connected
to the drive. Refer to the option manual for more information.
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U8: DriveWorksEZ Monitors

These monitors are reserved for use with DriveWorksEZ.
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual
Refer to o4-11: U2, U3 Initialization on page 239
374 for a complete list of U3-oo monitors and descriptions.
Refer to o4-11: U2, U3 Initialization on page 239
374 for a complete list of U4-oo monitors and descriptions.
Refer to PID Block Diagram on page 133
376 for a complete list of U5-oo monitors and descriptions.
183.
376 for a complete list of U6-oo monitors and descriptions.

5.11 U: Monitor Parameters

for details on assigning functions to the
373 for a complete list of U2-oo monitors
for a description of
for details and an illustration that shows
Refer to Setting 44/45/46: Offset
Refer to Setting 75/76: Up/Down 2 on
Refer to
for
for
5
241