Epson RC90 Manual page 216

2. Installation
5.
6.
Editing of Input / Output Size
You can change the input/output size of the CC-Link slave board if necessary.
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204
Confirm that the following items are displayed.
Fieldbus Type : CC-Link
Input Bytes : 32 (default setting)
Output Bytes : 32 (default setting)
Click <Close>.
Select [Setup]-[System Configuration] and display the [System Configuration] dialog
box.
Select [Inputs / Outputs]-[Fieldbus Slave]-[General].
Change the settings of [Input Byte] and [Output Byte].
In this example, both of them are changed to "20" Bytes.
Click <Apply>.
Click <Close> and the following dialog box appears.
The Robot Controller automatically starts rebooting.
RC700 / RC90 Option Fieldbus I/O Rev.14