Automatic control function programming manual ladder language

Literal Elements of Ladder Language
4 Literal Elements of Ladder Language
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
4.4.1 Literal Entities Authorised in the
Test Part of a Ladder 4 - 3
4.4.2 Literal Entities Authorised in the
Action Area of a Ladder 4 - 4
4.4.3 Grammar of the Literal Elements 4 - 4
4.5 Additional Information on Literal Elements 4 - 5
4.5.1 Priority of Operators 4 - 5
4.5.1.1 Priority of the Unary Operators 4 - 5
4.5.1.2 Priority of Binary and Comparison
Operators 4 - 5
4.5.2 Comparison Operators 4 - 6
4.5.3 >> and