<1. Overview >
1-1
IM 34M6H28-01E
1st Edition : Feb.01,1999-00
1.
Overview
The F3LD01-0N DeviceNet Scanner Module (hereafter referred to as this module) is a
module for connecting to DeviceNet.
■
What is a DeviceNet?
DeviceNet is an open field network and is mainly used in manufacturing equipment or in
production lines. In a multi-vendor environment, a wide range of devices, ranging from
sensors and actuators to advanced equipment which is compatible with DeviceNet, can be
connected.
As the specifications of DeviceNet are open and licensing is not required, many manufac-
turers, both in Japan and overseas, are developing new devices which, when connected
with DeviceNet, allow exchanges of I/O data. Overseas service has also become possible.
Further, many types of I/O communications and message communications are supported.
Decentralized control with multi-master systems is also possible now.
A maximum of 64 machines (m slaves) can be connected to DeviceNet. The
maximum data rate is 500 kbps and the maximum trunk line distance is 500 m (when the
data rate is 125 kbps). Thus, with these special characteristics of high connectability to
many stations, a high data rate and a long distance, DeviceNet can be used in a wide range
of applications. Wiring can be done effectively by freely combining the T-branching method
and daisy chain method, with no wastage.
Each equipment type is defined by a device profile (specifications which define the opera-
tion of the equipment). Equipment is built according to these profiles, thus resulting in the
compatibility and interchangeability of the equipment.
Personal computer/Workstation
FA-M3
Special
purpose
controller
etc
Display
Remote I/O
Information
device
Analog
terminal
All types
of sensors/
actuators
Gateway to
other networks
Higher-level network
DeviceNet
. Valve
. Solenoid
. Signal convertor
. Inverter
. Barcode reader
. ID System
. All types of sensor paths
. RS-232-C
F0101.EPS
T branching
Drop-line branching
Daisy chain
,
,,
,,,
,,
FA-M3
,,
,,,
,,,
,,
* : Mass flow controller, temperature control and monitoring guage, robot controller, etc.
Figure 1.1 Example of a DeviceNet Connection
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