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8-1
Chapter 8
General programming notes
This chapter provides information on the program (PLC ladder language),
address, and interface structures of the STEP7. The STEP7 uses a program
structure compatible with the IEC 1131-3 international standard. The program
structure allows ladder diagram programming that supports various languages
such as LAD, FBD, STL, and GRAPH. Thanks to the structured nature and
advanced features, programs are not only easy to understand, but far more
powerful than the conventional ladder logic. The PLC for the YS 840DI sys-
tem is the S7-300, allowing the use of LAD, FBD, and STL in ladder logic
design.
8.1 LAD/FBD/STL compatibility - - - - - - - - - - - - - - - - - - - - - - - - 8-2
8.2 Program structure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-3
8.3 Address structure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-4
8.3.1 Address symbols - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-4
8.3.2 Bit address - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-4
8.3.3 Addressing of input, output, bit memory, and data bits- - - - - - - - - - - - 8-5
8.3.4 Addressing of timers and counters - - - - - - - - - - - - - - - - - - - - - - - - - 8-5
8.4 Interface structure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-6
8.4.1 General - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-6
8.4.2 Signals through the PLC/NC interface - - - - - - - - - - - - - - - - - - - - - - - 8-6
8.4.3 Data blocks - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-7
8.4.4 Program components- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-8
Содержание CNC Series
Страница 1: ...Maintenance Manual Serviceman Handbook MANUAL No NCSIE SP02 19 Yaskawa Siemens CNC Series...
Страница 26: ...Part 1 Hardware...
Страница 38: ...System Configuration 1 2 3 Spindle motor designations 1 12...
Страница 58: ...Installing the control panels 2 3 5 Installing lightning surge absorbers 2 20...
Страница 62: ...Installing the motors 3 4...
Страница 84: ...Connection method 4 3 2 Setting the rotary switches on the inverters and servo units 4 22...
Страница 96: ...Part 2 Software...
Страница 102: ...Software configuration 6 6...
Страница 103: ...7 1 Chapter 7 Backup 7 1 How to archive 7 2 7 2 Network settings 7 7 7 2 1 YS 840DI settings 7 7 7 2 2 PC settings 7 14...
Страница 105: ...7 1 How to archive 7 3 3 Select the Workpieces folder 4 Click on Archive File which is one of the right side keys...
Страница 113: ...7 2 Network settings 7 11 8 Click on the radio button to the left of Specify an IP address...
Страница 121: ...7 2 Network settings 7 19...
Страница 122: ...Part 3 PLC...
Страница 154: ...Part 4 Setting up and maintenance...
Страница 160: ...Overview of System 10 1 2 Basic operation 10 6...
Страница 204: ...How to use Digital Operation 12 2 9 Setting the password setting for write prohibit 12 32...
Страница 327: ...Error and Troubleshooting 15 4...
Страница 328: ...15 1 Errors without Alarm Display and Troubleshooting 15 5...
Страница 329: ...Error and Troubleshooting 15 6...
Страница 343: ...Maintenance and Check 16 3 3 Setting up Initializing Absolute encoder 16 14...