xii
How to change an existing program
It is an easy method for chaging an existing program by partially adding a program without modifying the
exsiting program.
(When a programmable display is connected, it is not necessary to change the R and WR that are
referred for the switches and data parts in the programmable display.)
1. At the begnning of a program
Data in the hold-type area is transferred to the
existing area only once when the power supply
turns on.
2. At the end of a program
Data in the hold-type area is always transferred
to the existing area.
<Explanation of the program>
Transfers the contents stored in the hold-type area (WR248 to WR255) to the existing hold-type area
WR90 to WR97 when the power supply turns on, and returns the previous state before the power
supply turns off (because the area WR90 to WR97 cannot be held without a battery on V3).
After returning to the previous state that is the one before the power supply turns off, always transfers
the WR operated during the scan or the information of R input from the programmabld display (WR90
to WR97) to the hold-type area (WR248 to WR255). And prepares for holding data when the power
supply turns off.
Содержание FP E Series
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Страница 17: ...Chapter 1 Functions and Restrictions of the Unit ...
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Страница 29: ...Chapter 2 Specifications and Functions of the Unit ...
Страница 37: ...2 9 Circuit diagram C32 Y0 Y1 Y3 Y4 C28 Y0 Y1 Y3 Y4 Y2 Y5 to YF Y2 Y5 to YB ...
Страница 48: ...2 20 ...
Страница 49: ...Chapter 3 Expansion ...
Страница 56: ...3 8 Terminal layout diagram Note The numbers in the connector are for the first expansion ...
Страница 61: ...Chapter 4 I O Allocation ...
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Страница 67: ...Chapter 5 Installation and Wiring ...
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Страница 91: ...Chapter 6 High speed counter Pulse Output and PWM Output functions ...
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Страница 125: ...6 35 Pulse output diagram ...
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Страница 144: ...6 54 Program Continued on the next page ...
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Страница 147: ...6 57 Program ...
Страница 151: ...Chapter 7 Communication Cassette ...
Страница 202: ...7 52 Procedure of communication In the following example the Micro Imagechecker is connected to COM1 port ...
Страница 210: ...7 60 The values of DT50 and DT51 are written in DT0 and 1 of PLC ...
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Страница 239: ...Chapter 8 Self Diagnostic and Troubleshooting ...
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Страница 249: ...Chapter 9 Precautions During Programming ...
Страница 260: ...9 12 Example 2 Using the CT instruction between JP and LBL instructions ...
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Страница 269: ...Chapter10 Specifications ...
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Страница 287: ...Chapter 11 Dimensions ...
Страница 290: ...11 4 11 1 3 Expansion Unit FPG XY64D2T FPG XY64D2P FPG EM1 ...
Страница 293: ...Chapter 12 Appendix ...
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Страница 437: ...12 145 12 7 ASCII Codes ...
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