User guide

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