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Safety functions – Canon GALVANO GC-251 User Manual

Page 85

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CANON Digital Galvano Scanner System

KP-1SM Series + GC-251

Users Manual 1.00

85

9. Safety Functions

This system has various safety functions to ensure safe use.

9.1. Safety

Functions

The safety functions can be classified into hardware monitoring and software monitoring.

Hardware monitoring

Power supply fuse

+24 V line (each axis)

+5 V line

Output amplifier overheat

Temperature monitoring by thermistor (abut 80ºC)

Motor overheat

Temperature monitoring by thermistor (abut 75ºC)

(If output amplifier or motor overheat is detected, the amplifier output is shut down.)

Output amplifier IC

Shutdown function

Software monitoring

The controller status is always monitored by software and error notification is made if an abnormality

occurs.

Depending on the error type (priority), digital monitor I/O (2 bits) is used for this notification.

The details of an error can be checked by an RS-232C command.

See 9-2 for the error contents.

Note: The post-error system status and recovery method depend on the priority of the error.

See 9-2, “Errors.”