Buffer Memory Access Time; When Accessing The Qj61Bt11N - Mitsubishi Electric Q12DCCPU-V User Manual

Melsec q series, c controller module
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APPENDICES
Function
QBF_FromBuf
QBF_ToBuf
Function
QBF_FromBuf
QBF_ToBuf
Function
QBF_FromBuf
QBF_ToBuf
(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
Communication
size
1 word
64 words
512 words
1 word
64 words
512 words
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
Communication
size
1 word
64 words
512 words
1 word
64 words
512 words
• Accessing the buffer memory that supports the block data assurance per
station function
Table APPX.5 Access time
CC-Link refresh
Communication
method
size
1 word
Automatic
64 words
512 words
1 word
Manual
64 words
512 words
1 word
Automatic
64 words
512 words
1 word
Manual
64 words
512 words
* 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
Q12DCCPU-V
15 s
40 s
214 s
15 s
39 s
206 s
Table APPX.4 Access time
Q12DCCPU-V
16 s
41 s
217 s
16 s
41 s
208 s
Q12DCCPU-V
*1
41 s
69 s
245 s
*1
26 s
52 s
221 s
Appendix 1 Function Processing Time
Access time
Q06CCPU-V
Q06CCPU-V-B
16 s
16 s
42 s
41 s
222 s
233 s
17 s
17 s
41 s
43 s
212 s
222 s
Access time
Q06CCPU-V
Q06CCPU-V-B
17 s
19 s
44 s
45 s
223 s
234 s
19 s
20 s
43 s
47 s
215 s
227 s
Access time
Q06CCPU-V
Q06CCPU-V-B
*1
*1
53 s
54 s
80 s
80 s
259 s
272 s
*1
*1
34 s
39 s
59 s
65 s
231 s
246 s
APPX
A
I
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