Yaskawa i80M Maintenance Manual - Manual (Page 116)

4.3 TROUBLESHOOTING WITHOUT ALARM CODES (Cent’d)
( 3 ) Operation Monitoring S o f t w a r e
Normal operation of the
b y s o f t w a r e .
System software checks
entire system is monitored
whether a partner CPU is
normally operating among CPUs. If the partner CPU
is stopped, an alarm occurs.
Numbers checked . . .
ALM3260 : SMON-INTEX Synchronous error
: SMON-MMON Synchronous error/
Synchronous error (
ALM3262 : Synchronous error
ALM3263 : MMON-PLC Synchronous error
Synchronous error ( i80B )
ALM3264 : Synchronous error/MOTION-AXIS
Synchronous error (
ALM3265: Synchronous error
ALM3266 : DNC Synchronous error
( 4 )
( 5 )
Operation Monitoring by Hardware
Normal operation of system software is monitored by
h a r d w a r e .
This is performed for specific system
numbers.
When system software does not access hardware for a
given period, it is regarded as a hardware failure
and a hardware monitoring error is displayed.
checked . . . “O”, “ , “2”,
D i v i s i o n E r r o r
A division error occurring in system software is
d e t e c t e d a n d t h e e n t i r e s y s t e m i s s t o p p e d . T h e
address in which the division error occurred is
displayed on the screen.
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