Mitsubishi Electric MELSEC Q Series User Manual page 478

(b) Buffer memory access time
When accessing the QJ61BT11N (Start I/O number: 0) in a single CPU system, where the block data
assurance per station function is disabled.
QBF_FromBuf
QBF_ToBuf
When accessing the QJ61BT11N (Start I/O number: 0) in a single CPU system, where the block data
assurance per station function is enabled.
• To access the buffer memory not covered by the Block Data Assurance per Station
QBF_FromBuf
QBF_ToBuf
• To access the buffer memory covered by the Block Data Assurance per Station
Function
QBF_FromBuf
QBF_ToBuf
476
Function
Function
CC-Link refresh
method
Manual
Automatic
Manual
Automatic
Access size Access time
1word 447
64words 498
512words 717
1word 436
64words 489
512words
721
Access size Access time
1word 509
64words 567
512words
800
1word
473
64words 525
512words 778
Access size Access time
1word 508
64words
568
512words
811
1word Manual processing
time
64words
(0 to CC-Link
512words
module link
scan time)
1word 471
64words 525
512words
793
1word Manual processing
time
64words
(0 to CC-Link
512words
module link
scan time)
µs
µs
µs
µs
µs
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µs
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µs
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µs
+
µs
µs
µs
+