Hello, everybody. I use an equipment that have RS232 communicat function to communicate with the MR-J2S-A amplifier by serial communication,This method can control the amplifier.Amplifierthe run in test mode. But use position operation in test ,move distance only 9999999(Decimal) pulse,While this value is 80000000 to 7FFFFFFF(Hex) according manual. If have this limit,servo motor only can run 76.2 revolution in one step! Have any method to change 9999999(Decimal) limit? Thank you for your time and help.