Mitsubishi Electric Q12DCCPU-V - Buffer Memory Access Time; When Accessing the QJ61 BT11 N

APPENDICES
Appendix 1 Function Processing Time
APPX - 3
A
I
(b) Buffer memory access time
1) When accessing the QJ61BT11N (Start I/O number: 0) in a single CPU
system, where the block data assurance per station function is disabled by CC-
Link utility
2) When accessing the QJ61BT11N (Start I/O number: 0) in a single CPU
system, where the block data assurance per station function is enabled by CC-
Link utility
• Accessing the buffer memory that does not support the block data assurance
per station function
• Accessing the buffer memory that supports the block data assurance per
station function
* 1 The access time significantly changes depending on the timing of access start and link scan.
Minimum: Access time shown in Table APPX.4.
Maximum: Access time shown in Table APPX.4 + Link scan time
Table APPX.3 Access time
Function
Communication
size
Access time
Q12DCCPU-V Q06CCPU-V Q06CCPU-V-B
QBF_FromBuf
1 word
15 s 16 s 16 s
64 words
40 s 42 s 41 s
512 words
214 s 222 s 233 s
QBF_ToBuf
1 word
15 s 17 s 17 s
64 words
39 s 41 s 43 s
512 words
206 s 212 s 222 s
Table APPX.4 Access time
Function
Communication
size
Access time
Q12DCCPU-V Q06CCPU-V Q06CCPU-V-B
QBF_FromBuf
1 word
16 s 17 s 19 s
64 words
41 s 44 s 45 s
512 words
217 s 223 s 234 s
QBF_ToBuf
1 word
16 s 19 s 20 s
64 words
41 s 43 s 47 s
512 words
208 s 215 s 227 s
Table APPX.5 Access time
Function
CC-Link refresh
method
Communication
size
Access time
Q12DCCPU-V Q06CCPU-V Q06CCPU-V-B
QBF_FromBuf
Automatic
1 word
*1 *1 *164 words
512 words
Manual
1 word
41 s 53 s 54 s
64 words
69 s 80 s 80 s
512 words
245 s 259 s 272 s
QBF_ToBuf
Automatic
1 word
*1 *1 *164 words
512 words
Manual
1 word
26 s 34 s 39 s
64 words
52 s 59 s 65 s
512 words
221 s 231 s 246 s