Alarm Tracing; Data For Which Alarm Tracing Is Performed; Applicable Tools - YASKAWA SGD7S Product Manual

E-7-series ac servo drive, e-7s servopack, command option attachable type with devicenet module
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9.5

Alarm Tracing

Alarm tracing records data in the SERVOPACK from before and after an alarm occurs. This
data helps you to isolate the cause of the alarm.
You can display the data recorded in the SERVOPACK as a trace waveform on the SigmaWin+.
• Alarms that occur when the power supply is turned ON are not recorded.
Information
• Alarms that occur during the recording of alarm trace data are not recorded.
• Alarms that occur while utility functions are being executed are not recorded.
9.5.1

Data for Which Alarm Tracing Is Performed

Two types of data are recorded for alarm tracing: numeric data and I/O signal ON/OFF data.
Numeric Data
Torque reference
Feedback speed
Reference speed
Position reference speed
Position deviation
Motor-load position deviation
Main circuit bus voltage
9.5.2

Applicable Tools

The following table lists the tools that you can use to perform alarm tracing and the applicable
tool functions.
Tool
Digital Operator
SigmaWin+
ALM
Servo ON command (/S-ON)
Proportional control command (/P-CON)
Forward torque command (/P-CL)
Reverse torque command (/N-CL)
G-SEL1 signal (/G-SEL1)
ACON
Function
You cannot display alarm tracing data from the Digital Operator.
Alarm - Alarm Tracing

9.5.1 Data for Which Alarm Tracing Is Performed

ON/OFF Data
Operating Procedure Reference
AC Servo Drive Engineering Tool SigmaWin+
Operation Manual (Manual No.: SIET S800001 34)

9.5 Alarm Tracing

9
9-17

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