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130
Index Registers
Section 4-11
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Example Using Index Registers
In the following example, TIM instructions for timer numbers 0 to 99 use set
values in D100 to D199. This can be achieved by using one TIM instruction,
using an index register for the timer number, using another index register for
the Completion Flags, and repeatedly executing the TIM instruction to start
the timers.
The PLC memory addresses for each T0's PV, Completion
Flag, and W0.00 are set in Index Registers IR0, IR1, and IR2 using a
MOVRW or MOVR instruction.
- The TIM instruction is executed for the timer number
(timer PV) that IR0+ indirectly addresses.
- The Timer Completion Flag that is indirectly addressed for
IR1+ turns ON when the time elapses. When the ON status
is received, bits in the work area that are indirectly
addressed for IR2+ are turned ON.
- The contents of IR0+, IR1+, and IR2+ are automatically
incremented by one after accessing the values using indirect
addressing.
- D0 is incremented.
Repeated
Содержание CP1L-EL20DR-D
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Страница 178: ...144 Connecting the CX Programmer Section 5 1 Click the Connect button to connect and then connection online is completed...
Страница 192: ...158 Trial Operation and Debugging Section 5 3...
Страница 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
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Страница 696: ...662 Standard Models Appendix A...
Страница 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Страница 836: ...802 PLC Setup Appendix G...
Страница 838: ...804 TCP Status Transitions Appendix H...
Страница 840: ...806 Ethernet Network Parameters Appendix I...
Страница 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Страница 844: ...810 Ethernet Specifications Appendix K...
Страница 851: ...Index 817 work words 118 write protection 447...
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