286
I/O Response Time in Tag Data Links
Section 10-3
The following table gives the items required to find the I/O response time and
values used in calculations for this system configuration.
Maximum Tag Data Link I/O Response Time
You can find the maximum I/O response time from the total of (1) to (6) in the
following figure.
PLC#1
EtherNet/IP
PLC#2
PLC#3
Node 1
Node 2
Node 3
Input switch (external input device)
Input
W000.01
W000.01
Output
Output relay (external output device)
Tag Data Link Table
PLC#1
PLC#2
PLC#3
Outputs
RPI = 10 ms
RPI = 10 ms
W000
722 words x 16 connections
Total: 11,552 words
W000
Inputs
Inputs
256 words x 16 connections
Total: 4,096 words
RPI = 100 ms
Outputs
Connection 1
Item
Value used in calculation example
PLC#1
PLC#2
External I/O device delay time
Input device delay:
1.5 ms
Output device delay:
2.0 ms
Cable length
50 m
CPU Unit model
CJ2H CPU Unit
CJ2H CPU Unit
RPI
10 msec
---
Number of receive connections
0
32
CPU Unit cycle time
10 msec
15 msec
Total number tag
data link words
Number of send
words
11,552 None
Number of
receive words
None 15,648
Summary of Contents for CJ2H-CPU6 - REV 02-2010
Page 2: ......
Page 4: ...iv...
Page 6: ...vi...
Page 14: ...xiv...
Page 18: ...xviii...
Page 38: ...12 Network Configurator Overview Section 1 5...
Page 58: ...32 Selecting the Network Devices Section 2 3...
Page 116: ...90 Auxiliary Area Data Section 4 5...
Page 222: ...196 Message Communications Errors Section 7 6...
Page 364: ...338 Using the Backup Tool Section 13 3...
Page 402: ...376 CS CJ series Ethernet Unit Function Comparison Appendix A...
Page 404: ...378 Ethernet Network Parameters Appendix B...
Page 406: ...380 TCP Status Transitions Appendix C...
Page 452: ...426 Precautions for Using Windows XP Vista or Windows 7 Appendix G...
Page 460: ...434 Index...
Page 462: ...436 Revision History...
Page 463: ......