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SECTION 8
Communications Timing
This section explains details on Controller Link Network communications. Refer to this section for network
communications that require accurate communications timing.
Communications Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Transmissions over the Network . . . . . . . . . . . . . . . . . . . . . . .
Setting the Polling and Polled Nodes . . . . . . . . . . . . . . . . . . . . . . . .
Network Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifying Network Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communications Cycle Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Active Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inactive Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Link I/O Response Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Exchange Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Processing Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calculation Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CS/CJ-series, CVM1, and CV-series PLCs . . . . . . . . . . . . . . . . . . .
C200HX/HG/HE and CQM1H-series PLCs . . . . . . . . . . . . . . . . . .
Summary of Contents for C200HW-CLK21
Page 3: ...iv ...
Page 9: ...x ...
Page 12: ...xiii TABLE OF CONTENTS Index 367 Revision History 373 ...
Page 13: ...xiv ...
Page 19: ...xx ...
Page 57: ...32 Application Precautions Section 1 5 Example CX Programmer Response Timeout Setting ...
Page 69: ...44 Message Service Procedure Section 2 2 ...
Page 111: ...86 Constructing Networks with Repeater Units Section 3 4 ...
Page 154: ...129 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Page 261: ...236 Response Codes Section 6 7 ...
Page 297: ...272 Message Delay Times Section 8 4 ...
Page 353: ...328 Handling Precautions Section 9 6 ...
Page 364: ...339 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Page 365: ...340 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Page 369: ...344 Standard Models Appendix A ...
Page 391: ...366 Using the Relay Terminal Block Appendix C ...
Page 397: ...372 Index ...
Page 401: ...376 Revision History ...