Epson RC90 User Manual

2. Installation
84 RC700 / RC90 Option Fieldbus I/O Rev.14
2.2 PROFIBUS-DP
WARNING

Make sure that the power is turned OFF before installing/removing any boards or
connecting/disconnecting any cables. Installing/removing any boards or
connecting/disconnecting any cables with the power ON is extremely hazardous
and may result in electric shock and/or malfunction of equipment.
2.2.1 How to Setup a PROFIBUS DP Network
The following is a basic procedure for setting up a PROFIBUS DP network:
1. Choose station layout and pathway in your network.
For details, refer to the following section 2.2.2 PROFIBUS DP Network Construction.
2. Choose the baud rate.
Choose the baud rate based on the network length. Select the fastest baud rate
allowed for the length. Increasing network load due to slow baud rate may cause
trouble including communication failure.
3. Lay cables.
For details, refer to the following section 2.2.2 PROFIBUS DP Network Construction.
4. Configure stations.
For details, refer to respective manuals of your desired stations.
5. Turn ON the stations.
6. Install the PROFIBUS-DP board into the Controller.
When installing the PROFIBUS-DP master board
Refer to 2.2.3 Installing PROFIBUS-DP Master Board Manufactured by molex.
When installing the PROFIBUS-DP salve board
Refer to 2.2.4 Installing PROFIBUS-DP Slave Board.
7. Operate the PROFIBUS DP network.
2.2.2 PROFIBUS DP Network Construction
Network Configuration
PROFIBUS DP network is configured as shown in the following figure.
Slave
Master 1 Master 2
Slave Slave
Slave
Slave
Slave Slave Slave Slave Slave
Repeater
Network
Cable
Terminating
Resistor ON
Terminating
Resistor ON
Terminating
Resistor ON
Terminating
Resistor ON

Epson RC90 Specifications

General

Brand	Epson
Model	RC90
Category	Controller
Language	English