137
SECTION 4
I/O Memory Allocation
This section describes the structure and functions of the I/O Memory Areas and Parameter Areas.
4-1
Overview of I/O Memory Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
138
4-1-1
I/O Memory Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
138
4-1-2
Overview of the Data Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
139
4-1-3
Clearing and Holding I/O Memory. . . . . . . . . . . . . . . . . . . . . . . . . .
143
4-1-4
Hot Start/Hot Stop Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
143
4-2
I/O Area and I/O Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
145
4-2-1
I/O Bits Allocated to CPU Units . . . . . . . . . . . . . . . . . . . . . . . . . . .
146
4-2-2
I/O Bits Allocated to Expansion I/O Units . . . . . . . . . . . . . . . . . . . .
148
4-2-3
I/O Allocation Examples with Expansion I/O Units . . . . . . . . . . . .
150
4-2-4
I/O Word Allocations to Expansion Units . . . . . . . . . . . . . . . . . . . .
151
4-3
1:1 Link Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
152
4-4
Serial PLC Link Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
153
4-5
Internal Work Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
153
4-6
Holding Area (H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
154
4-7
Auxiliary Area (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
155
4-8
TR (Temporary Relay) Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
155
4-9
Timers and Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
156
4-9-1
Timer Area (T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
156
4-9-2
Counter Area (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
157
4-9-3
Changing the BCD or Binary Mode for Counters and Timers . . . . .
159
4-10 Data Memory Area (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
160
4-11 Index Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
161
4-11-1
Using Index Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
165
4-11-2
Precautions for Using Index Registers . . . . . . . . . . . . . . . . . . . . . . .
167
4-12 Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
169
4-13 Task Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
171
4-14 Condition Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
171
4-15 Clock Pulses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
173
Содержание CP1L CPU UNIT - 03-2009
Страница 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
Страница 2: ......
Страница 4: ...iv...
Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Conformance to EC Directives 6...
Страница 70: ...36 Function Blocks Section 1 5...
Страница 584: ...550 Trouble Shooting Section 8 7...
Страница 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Страница 630: ...596 Sample Application Section 9 12...
Страница 654: ...620 Troubleshooting Unit Errors Section 11 4...
Страница 662: ...628 Replacing User serviceable Parts Section 12 2...
Страница 668: ...634 Standard Models Appendix A...
Страница 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Страница 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Страница 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Страница 806: ...772 Index...
Страница 808: ...774 Revision History...