Epson RC700 Manual page 173

Editing of input / output size and DAP mode
You can change the input/output size of the PROFINET slave board if necessary.
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RC700 / RC90 Option Fieldbus I/O Rev.12
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.
Change the setting of [DAP mode] if necessary.
Set [DAP mode] according to the PROFINET IO controller that you want to use.
Usually, select DAP Ver.2. DAP Ver.1 is available for the obsolete PROFINET IO
controller.
The PROFINET option does not have the alert function that is an optional function
in DAP Ver.2.
Click <Apply>.
Click <Close> and the following dialog box appears.
The Robot Controller automatically starts rebooting.
2. Installation
163