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CHAPTER2 Ethernet Unit
2-1 Ethernet unit features
Ethernet is the network most commonly used by office equipment today. This Ethernet
unit is an optional device for connecting to controllers over the Ethernet.
The communications protocol utilizes TCP/IP which is a standard Internet protocol so
PCs and business computers with Internet access or equipment incorporating TCP/IP
protocols can easily exchange data with the controller.
Main features of this Ethernet unit are as follows:
■ The controller can be connected to the Ethernet system using this unit. The unit fits
directly inside the controller and so does not require any extra installation space.
■ The Ethernet unit uses 10BASE-T specifications, so UTP cables (unshielded twisted-
pair cables) or STP cables (shielded twisted-pair cables) can be used. This makes
cable and wiring installation really easy.
■ Several controllers can be connected on the same network so information can be
processed in one batch from a designated PC.
■ Utilizing a HUB having 10BASE-2 or 10BASE-5 connectors, controllers can be
accessed even from offices located away from the factory. Using the Internet al-
lows accessing even controllers in remote locations.
■ The controller operates as a TELNET (socket) server, which can easily be accessed
from PCs used as TELNET terminals. (Windows PCs incorporate a TELNET ter-
minal called TELNET.EXE as standard equipment.)
Ethernet unit commands are the same as those handled through RS-232C, so even
first-time users will find it easy to use.
If information such as network settings on the PC or for detailed information on other
equipment is needed, refer to that particular user’s manual or product instruction manual.
For information on operating the YAMAHA controller or robot programming, refer to
the controller user’s manual.
* Ethernet is a registered trademark of the Xerox Corporation (USA).