Rugged
and durable Ethernet devices with high MTBF ensure
long-term trouble-free operation.
Turbo
Ring recovery time < 300 ms ensures real-time
non-stop network monitoring.
Remote
Read/Write capability via Moxa's EDS series SNMP-based
switch.
EDS-508
and EDS-726 can send out a warning e-mail when
a user-configured exception is detected, providing
system managers with real-time alarm messages and
helping with remote monitoring and diagnosis.
EDS-508
and EDS-726 come with two power inputs to prevent
data loss from power failure.
Connect
EDS-508 and EDS-726 to a fiber optic network to
provide long transmission distances
for large-scale printing press operations.
Moxa
Ethernet Switches Simplify the Development and
Servicing of Printing Machines
Introduction
A
leading machine builder that has been in business
for forty years has approximately
five hundred
employees
and
numerous customers worldwide. The company
delivers total printing machine solutions that
range from initial planning and production
startup to after sales service. The company
coworks
with many well-known companies, such as
Siemens and Koenig & Bauer, and sells twenty
to thirty sets of printing machine solutions
every year. The company
is a market leader in control and workflow
solutions for highly automated production processes
for newspaper printing and publishing houses.
Printing
machines must provide many years of trouble-free operation with minimum downtime,
so it is necessary to integrate reliability and
fast maintenance of
network devices into the printing machine. This printing
machine builder adds additional
value by providing a WAN-based support service that
can remotely monitor and diagnosis a customer's printing
machines. This real-time monitoring via the WAN requires
an extremely reliable and fast network infrastructure.
System Description
This
company's printing machines are built in sections, with between 2 and 15
sections installed in each printing house. The actual
number depends on the printing volume and
the scale of the operation. The printing machines use a decentralized
control
concept.” Each printing machine section” is equipped with four
cabinets that
house PLCs, I/Os, motor controllers, and Ethernet switches. The machine
builder uses Moxa's EDS-508-MM-SC Ethernet switches in the cabinets to
collect and forward all of the working information from each section to a control
console. This section console allows the printing section to be monitored and
controlled, giving each section the ability to operate independently, link
with
other
sections, or be controlled by the console from a remote site. The section consoles
are
connected using an EDS-726 Ethernet switch with Turbo Ring functionality to form
a redundant
fiber network for extremely reliable high-speed data collection. Using a network
configuration makes responsive monitoring a reality, and allows each section
to be controlled. The result is fast data recovery and the ability to cover long
distances between
the sections
of a large-scale
press operation. All of this data can also be transferred to the machine builder's
control center, allowing customers to use the “Tele-support Service” for
their printing machines. If exceptions are encountered or a machine fails,
the
information
is
sent in real time to the Tele-support control center via the Internet, so that
a
support
engineer
can quickly diagnosis and solve the problem from a remote location.
