YOKOGAWA F3LR02-0N, User Manual

Page: 68 / 210

B1-2
IM 34M06H45-01E 7th Edition : Aug.30, 2019-00
B1.1 Features
The Fiber-optic FA-bus Type 2 module has the following features.

High-speed communications
The Fiber-optic FA-bus Type 2 module features 10 Mbps high-speed communications.
Users no longer have to worry about I/O refresh time during ladder programming.

Extended distance between stations
A master station can control remote stations
*1
. The maximum distance between two
stations is 500 m
*2
and the maximum total distance is 1.4 km
*3
.
Master station
max. 500m
Substation 1 Terminal station
max. 1.4km
FB0111.VSD

Flexible unit configuration
All I/O modules, with some exceptions
*4
, can be installed in a substation. Modules
installed in a substation can be accessed the same way as modules installed in the
master station.

Simple setup
No specific remote I/O configuration (environment setup) is required.

Optical transmission
The use of fiber-optic cables for transmission delivers high noise immunity.
Master station Substation
Fiber-optic Cable
FB0112.VSD
*1: Subunit installed with a Fiber-optic FA-bus Type 2 module
*2: GI-type H-PCF cables must be used for distance beyond 200m.
*3: 3 substations for daisy-chain configuration.
*4: Except for Ethernet Interface modules, NX Interface modules, FL-net Interface modules, FA Link modules, FA Link H
modules, FA Link H2 modules, Fiber-optic FA Link H modules, Hard Disk modules, and PC Card modules.

Flexible system configuration
2 communications ports are provided, thus allowing both daisy-chain configuration and
loop configuration. Furthermore, multiple Fiber-optic FA-bus Type 2 modules can be
installed in one master station to build a mixed configuration.
For details, see Section B3.5, “Connection Topology”.