Section 8 communications timing – Omron CQM1H-CLK21 User Manual

Page 270

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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.

8-1

Communications Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

248

8-1-1

Data Transmissions over the Network . . . . . . . . . . . . . . . . . . . . . . .

248

8-1-2

Setting the Polling and Polled Nodes . . . . . . . . . . . . . . . . . . . . . . . .

249

8-1-3

Network Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

250

8-1-4

Specifying Network Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . .

251

8-2

Communications Cycle Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

251

8-2-1

Active Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

251

8-2-2

Inactive Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

252

8-3

Data Link I/O Response Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

253

8-3-1

Data Exchange Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

253

8-3-2

Data Processing Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

254

8-3-3

Calculation Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

255

8-4

Message Delay Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

265

8-4-1

CS/CJ-series, CVM1, and CV-series PLCs . . . . . . . . . . . . . . . . . . .

265

8-4-2

C200HX/HG/HE and CQM1H-series PLCs . . . . . . . . . . . . . . . . . .

270

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