servo control

[Mr7 0]

hy dear i have mitsubishi plc fx1n mt and a ls servo drive with its own driver know i want to drive motor in positioning mode all required parameter set properly i want the motor rpm 2000 at 3500 in pulses in one rpm the motor covered 68mm distance acording to electronic gear ratio distance covered by motor in one pulse x motor in coder pulse/distance covered by motor in one rpm electronic gear ratio= =38.857x12000/68 =216571/17 this is my numerator and De nominator but in this condition nominator a accede the max value how can i set this. is there any option to set this in floting point .