Compare Integer Compare

Inputs/Outputs Operands Data Types
Inputs IW, QW, MW, SW, SMW, T, C, VW, LW, AIW, AC, Constant, *VD,*AC, *LD INT
Output (FBD) I, Q, M, SM, T, C, V, S, L, Power Flow BOOL

Memory Ranges ENO Errors Instruction Support for S7-200 CPUs SIMATIC/International Mnemonics
The Compare Integer instruction is used to compare two values: IN1 to IN2. Comparisons include: IN1 = IN2, IN1 >= IN2, IN1 <= IN2, IN1 > IN2, IN1 < IN2, or IN1 <> IN2.

Integer comparisons are signed (16#7FFF > 16#8000).

In LAD, the contact is on when the comparison is true.

In FBD, the output is on when the comparison is true.

In STL, the instructions Load, AND, or OR a 1 with the top of stack when the comparison is true.