Epson RC90 Manual page 224

2. Installation
LED Description
Run LED
Error LED
Wiring
Master Station
Terminating
Resistor
NOTE

212
LED state represents the states of the fieldbus I/O board.
LED
OFF No network participation, timeout state (no power)
Green Participating, normal operation
Red Major fault (FATAL error)
OFF No error detected (no power)
Red Major fault (Exception or FATAL event)
Red, CRC error (temporary flickering)
blinking
Red, ON Station Number or Baud rate has changed since startup
(flashing)
The CC-Link connector is a 5-pin open connector. Use the connector attached to the
module for wiring.
Terminal name for each pin
Terminal No Terminal Name
1
2
3
4
5
Connect the CC-Link master module and the CC-Link slave module as follows.
DA
DB
DG
SLD
FG
Twisted-pair Cable
with Shield
Prepare the cable for CC-Link Ver.1.10 sold in the market as a communication cable.
Install terminating resistors at both ends of the network.
Use the terminating resistors attached to the CC-Link master station.
Make sure to disconnect the connectors only after turning OFF the power supply of
the specific station.
Connect the shield wire for CC-Link to the "SLD" of each unit and ground the both
ends via "FG".
State
DA
DB
DG
SLD
FG
Robot System
CC-Link Module
DA
DB
DG
SLD
FG
Twisted-pair Cable
with Shield
RC700 / RC90 Option Fieldbus I/O Rev.14
CC-Link
Module
DA
Terminating
Resistor
DB
DG
SLD
FG