Ladder Instruction Set for PLC802

The following is a list of statement list instructions supported by the 802 numerical controller.

A detail description of the commands is to be found in the help system of the Programming Tool PLC802 (Help>Contents and Index: “SIMATIC LAD Instructions”).

Explanation:

S0 corresponds to the result of the logic operation.

S1 is the bit stack

  1. BASIC BOOLEAN INSTRUCTIONS
  2. OTHER BOOLEAN INSTRUCTIONS
  3. BYTE COMPARES (Unsigned)
  4. WORD COMPARES (Signed)
  5. DOUBLE WORD COMPARES (Signed)
  6. REAL WORD COMPARES (Signed)
  7. TIMER
  8. COUNTER
  9. MATH OPERATIONS
  10. INCREMENT, DECREMENT
  11. LOGIC OPERATIONS
  12. SHIFT AND ROTATE OPERATIONS
  13. CONVERSION OPERATIONS
  14. PROGRAM CONTROL FUNCTIONS
  15. MOVE, FILL AND FIND OPERATIONS
  16. Memory Areas, Ranges, Mapping

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