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CANON Digital Galvano Scanner System GM-1000 Series
Users Manual 1.20
129
10. Safety Functions
This system has various safety functions to ensure safe use.
10.1. 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 10.2, “Errors” for the error details.
Note: The post-error system status and recovery method depend on the priority of the error.
See 10.2, “Errors.”
Note: Temperature settings of the above hardware temperature monitoring and software
temperature monitoring differ. Usually, temperature monitoring of software operates first,
and it is set to carry out error input and servo off operations.