2. InstallationRC700 / RC90 Option Fieldbus I/O Rev.12 181(4) Select [Fieldbus Slave]-[General](4)(5)(5) Make sure that the following are displayed.Fieldbus Type : EtherCATInput Bytes : 32 (default setting)Output Bytes : 32 (default setting)(6) Click .Editing of input / output sizeYou can change the input/output size of the EtherCAT slave module if necessary.(1) Select [Setup]-[System Configuration] and display the [System Configuration] dialogbox.(2) Select [Inputs / Outputs]-[Fieldbus Slave]-[General].(3) Change the settings of [Input Bytes] and [Output Bytes].In this example, both of them are changed to 20 Bytes.