Yaskawa MP920 Motion Module - Manual (Page 372)

8 Troubleshooting
8.2.1 Alarm IL††22
8-16
„ Servo Drive Synchronous Communications Error
„ Servo Drive Communications Error
SVA-01A SVA-02A SVB-01 PO-01
Not supported Not supported Supported Not supported
Detection Timing
• Detected by the communications control section during synchronous communications between
the controller and MECHATROLINK SERVOPACK.
Alarm Processing
• The command that is being executed will be terminated.
Errors and Causes
• An error occurred during MECHATROLINK communications.
(Cable disconnected, noise on the communications path)
Action Taken
• Check the MECHATROLINK cable and then reset the alarm.
SVA-01A SVA-02A SVB-01 PO-01
Not supported Not supported Supported Not supported
Detection Timing
• Detected by the communications control section when a controller and MECHATROLINK
SERVOPACK are connected.
Alarm Processing
• The command that is being executed will be terminated.
• The SERVOPACK will turn OFF.
Errors and Causes
• MECHATROLINK communications stopped.
(Cable disconnected, noise on the communications path)
Action Taken
• Check the MECHATROLINK cable and then reset the alarm.