DVP-ES3 Series Programming Manual Symbol S 1 ： Trigger input point _6 S 2 ： High-speed counter number S 3 ： Setting for the numbers for work station and objects S 4 ： Reference value for comparison and the observational error D ： First corresponding device for the comparison result in the stack area Explanation 1. The instruction cannot be used in the ST programming language, interrupt tasks or function block which is called only once. 2. Use S 1 for setting the trigger input points; the high-speed inputs are X0–X7 & X10–X17 and the other inputs are general type. Executing the instruction enables the external interrupts for the inputs (M0–X0.15).
Therefore do NOT use the inputs with interrupt tasks; otherwise, when the instruction is executed, the interrupts are disabled and resumed only after the instruction completes. The general type inputs are affected by the scan time though they are suitable for the environments where the inputs are not as stable. 6-218 API Instruction code Operand Function 0709 XCMP S1, S2, S3, S4, D, Setting up to compare the inputs of multiple work stations Device X Y M S T C HC D FR SM SR E K 16# “$” F S1 S2 S3 S4 D BOOL WORD DWORD LWORD UINT INT DINT LINT REAL LREAL TMR CNT STRING Data type S1 S2 S3 S4 D Pulse instruction 16-Bit instruction 32-Bit instruction － ES3 －