
840 USE 115 00 Version 1.0
45
5
Using the Network Options
Ethernet Tester
5.1 Introduction
An Ethernet module ma
act as a client or as a server.
If it will be actin
as a client -- that is, initiatin
transactions on the network for its
Quantum controller -- then
ou must pro
ram an MSTR block in ladder lo
ic.
For details about the MSTR block, please refer to Chapter 3 on pa
e 25
.
The Ethernet module ma
also act as a server, respondin
to re
uests and
commands from devices on the network for its Quantum controller.
The Network Options Ethernet Tester utilit
allows
ou to
et and clear statistics
and to read and write re
isters over the network, usin
a Windows-based PC.
You ma
also create
our own pro
ram usin
the Ethernet module as a server. For
uidance in creatin
our own pro
ram, refer to Appendix B on pa
e 65.
Note:
In its capacit
as server, the Ethernet module can onl
accept 20
connections at an
one time. If a new connection is attempted and the server has
alread
reached its limit, it will terminate the least used connection in order to make
room for the new one.
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