Chapter 6 Applied Instructions Example SM450 is ON when you insert the memory card into the CPU module; SM452 is ON when this instruction executes; SM452 is OFF when this instruction completes. Additional remarks 6_ 1. If the value in ctrl exceeds the range, an operation error occurs, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 2. If the value in fname exceeds the range, an operation error occurs, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 6-747 Operand Setting value Description D0 16#0001 The file name extension is .cvs. D20 D20=16#6554 D21=16#7473 D22=16#0031 The file name is “Test1”.