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xvi Series 90-30/20/Micro Programmable Controllers Reference Manual–September 1998 GFK-0467K
Figure 2-1. PLC Sweep..................................................................................................................................2-3
Figure 2-2. Programmer Communications Window Flow Chart.................................................................2-10
Figure 2-3. System Communications Window Flow Chart.........................................................................2-11
Figure 2-4. PCM Communications with the PLC........................................................................................2-12
Figure 2-5. Power-Up Sequence.................................................................................................................2-31
Figure 2-6. Time-Tick Contact Timing Diagram ........................................................................................2-35
Figure 2-7. Series 90-30 I/O Structure........................................................................................................2-38
Figure 2-8. Model 30 I/O Modules..............................................................................................................2-39
Independent Term Algorithm (PIDIND) ...................................................................................................4-180