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7. AUXILIARY FUNCTION
7.14 Operation cycle monitor function
7.14.1 Summary
The operation cycle monitor function is a function that monitors the operation cycle current time, operation
cycle maximum time, and operation cycle over time. The operation cycle monitor function becomes valid after
the system starts.
The operation cycle is the position board processing (SSCNET communication process
motion operation
process) time.
SSCNET
communication
process
Motion
operation
process
ON
OFF
Control cycle
ON
OFF
Operation cycle
When the operation cycle exceeds the warning level (95% of the control cycle, 0.84ms when control cycle
0.88ms is selected), the operation cycle warning signal (OCMW) turns on. Also, when the operation cycle
exceeds the alarm level (100% or more of the control cycle, 0.88ms or more when control cycle 0.88ms is
selected), the count of the operation cycle over time (address 0018h) increases and the operation cycle alarm
signal (OCME) turns on.
7.14.2 Interface
Interfaces related to the operation cycle monitor function are shown below.
(1) System command
(2) System status
Address Bit Abbreviation Signal name
Address Bit Abbreviation Signal name
03EA 0 LOGC
Log command
045A 0 LOGO Log operation being performed
1 LOGR Reading of log data command 1 LOGRF Reading of log data complete
2
Reserved
2 LOGRE Reading of log data error
3 LOGI Log data initialization command
3 LOGIF Log data initialization is complete
4 Reserved
4 LOGIE Log data initialization error
5 OCMC Operation cycle monitor clear
5 OCMCO
During operation cycle monitor
clear
6
Reserved
6 OCME Operation cycle alarm
7
7 OCMW Operation cycle warning
(3) Operation cycle monitor data
Address Size Name Unit Description
0014h 2 byte Operation cycle current time s Current processing time is stored
0016h 2 byte Operation cycle maximum time s Maximum processing time is stored
0018h 2 byte Operation cycle over time Number of times The cumulative value of the number of times which
exceeds the control cycle is stored