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SECTION 4
I/O Memory Allocation
This section describes the structure and functions of the I/O Memory Areas and Parameter Areas.
Overview of I/O Memory Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O Memory Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview of the Data Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearing and Holding I/O Memory. . . . . . . . . . . . . . . . . . . . . . . . . .
Hot Start/Hot Stop Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allocations to Built-in General Purpose I/O on the CPU Unit. . . . .
Allocations to CP1H Y CPU Units (12 Inputs/8 Outputs) . . . . . . . .
4-2-4
Allocations to CP1W Expansion Units and
Expansion I/O Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
154
I/O Allocation Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Built-in Analog I/O Area (XA CPU Units Only) . . . . . . . . . . . . . . . . . . . . . .
Timer Area (T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter Area (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the BCD or Binary Mode for Counters and Timers . . . . .
Using Index Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautions for Using Index Registers . . . . . . . . . . . . . . . . . . . . . . .
Summary of Contents for Sysmac CP1H
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Page 3: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised October 2014...
Page 4: ...iv...
Page 10: ...x...
Page 18: ...xviii...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 76: ...42 Function Blocks Section 1 5...
Page 176: ...142 CP series Expansion I O Unit Wiring Section 3 6...
Page 372: ...338 Analog I O XA CPU Units Section 5 5...
Page 578: ...544 Trouble Shooting Section 8 7...
Page 622: ...588 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 668: ...634 Standard Models Appendix A...
Page 744: ...710 Auxiliary Area Allocations by Address Appendix D...
Page 771: ...737 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 772: ...738 Connections to Serial Communications Option Boards Appendix F...
Page 800: ...766 Specifications for External Power Supply Expansion Appendix H...
Page 806: ...772 Index W Work Area 165 work bits 165 work words 165 write protection 379...
Page 808: ...774 Revision History...
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