Omron 3G8F7-CRM21, User Manual

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SECTION 5
Operation by Accessing to Shared Memory
(Operation procedures in other environments other than Windows OS)
5-1 Basic Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5-1-1 Outline of Board Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5-1-2 Control of the Interrupt from PC to Board . . . . . . . . . . . . . . . . . . . . 56
5-1-3 Control of the Interrupt from Board to PC . . . . . . . . . . . . . . . . . . . . 57
5-1-4 Command Access Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
5-2 Communications Cycle Control Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 58
5-2-1 Outline of the Communications Cycle . . . . . . . . . . . . . . . . . . . . . . . 58
5-2-2 Controls from the Initial Process to Communications Cycle Startup 60
5-2-3 Control of I/O Data Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5-2-4 Control of Status Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5-2-5 Control of Event Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5-3 Setting the Time Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5-4 Implementing the Reset Request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5-5 PC Watchdog Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
5-6 Board Hardware Error Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65