Chapter 5 Basic Instructions Symbol PLS D ： Specified device Explanation 1. When the conditional contact switches from OFF to ON, the PLS instruction is executed, and the device D sends out a pulse for a scan cycle. 2. Do not use the PLS instruction in function blocks. 3. ISPSoft V3.06.01 supports data type D and the BOOL type variable for declaration. 5_ Example When M0 is ON, M10 is ON for a pulse time. When M10 is ON, M20 is set to ON. Timing diagram 5-15 Instruction code Operand Function PLS D Rising-edge output Device DX DY X Y M SM S T C HC D D BOOL WORD DWORD LWORD UINT INT DINT LINT REAL LREAL TMR CNT STRING Data type D M0X0.0 MM100.0 Y0.0 One scan cycle