Automatic control function programming manual ladder language

Table of Contents
Table of Contents
1 Presentation of the Automatic Control Function 1 - 1
1.1 General 1 - 3
1.2 Automatic Control Function 1 - 6
2 Structure of an Application 2 - 1
2.1 General 2 - 3
2.2 Structure of an Application 2 - 13
2.3 Structure of a Ladder Module - Elementary
Sequences 2 - 15
2.4 Elements Common to All Types of
Sequences 2 - 15
2.5 Table of Constants Sequence 2 - 15
2.6 Character String Sequence 2 - 16
2.7 Ladder Sequence 2 - 16
3 Variables 3 - 1
3.1 Principle of Exchanges 3 - 5
3.2 Variable % - Mnemonic 3 - 6
3.3 Variable % 3 - 6
3.4 Mnemonic 3 - 8
3.5 Common Internal Variables Saved 3 - 8
3.6 Common Internal Variables Not Saved 3 - 8
3.7 I/O Card Interface Variables %I and %Q 3 - 9
3.8 CNC I/O Interface Family %R and %W 3 - 29
3.9 %S Common Word Variables 3 - 68
3.10 %Y Local Variables- Pointers 3 - 70
3.11 Exchange Area 3 - 72
4 Literal Elements of Ladder Language 4 - 1
4.1 Notations Used 4 - 3
4.2 Label - Comment 4 - 3
4.3 Step 4 - 3
4.4 Literal Elements of Ladder Sequences 4 - 3
4.5 Additional Information on Literal Elements 4 - 5
5 Programming in Ladder Language 5 - 1
5.1 Elements Common to All Types of
Sequence 5 - 3
5.2 Network Sequence 5 - 7
5.3 Function Calls 5 - 26
5.4 Parameter Check 5 - 26
6 General Purpose Functions 6 - 1
6.1 Convert an ASCII String to a Signed
Integer of 32 Bits 6 - 3
6.2 Convert an ASCII String to a Signed
Integer of 32 Bits 6 - 4
6.3 BCD —> Binary Conversion 6 - 5
6.4 Binary —> BCD Code Conversion 6 - 6
6.5 Separate Bits into Bytes 6 - 7
6.6 Read the Parameters Stored on the
Stack 6 - 8
6.7 Copy One or More Bytes 6 - 9
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