Epson RC90 Manual page 128

2. Installation
5.
6.
Editing of Input / Output Size
You can change the input/output size of PROFIBUS-DP slave board if necessary.
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Confirm that the following items are displayed.
Fieldbus Type : PROFIBUS-DP
Fieldbus Slave ID : (Displays the configure switch node address)
Type : Byte (default setting)
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 Bytes] and [Output Bytes].
In this example, both of them are changed to "20" Bytes.
The sum of input and output data sizes is restricted as follows:
For Byte format : 372 bytes
For Word format : 208 words
Click <Apply>.
RC700 / RC90 Option Fieldbus I/O Rev.14