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In
this Issue |
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COVER
STORIES
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| Moxa's Solution for
Offshore
Wind Power |
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Offshore
wind power applications are similar to typical onshore wind
turbine projects. Both types require careful planning during
the construction phase, and it is best to manage wind turbine
systems remotely from a central control center. In order
to keep the installation cost at a reasonable level, most
wind turbine sites are made up of many turbines. In fact,
the turbines are often erected in rows, in the same way
that crops are planted.
System
Requirements
Location
Typically, most offshore wind turbine projects are located
along coastlines where the wind speed is greater than onshore.
However, offshore environments are often subject to critical
conditions, such as corrosion and extreme temperatures,
making safety certification and long MTBF a must. Since
wind power plants require a huge investment of time and
money, designers must select high quality products with
specialized features.
Transmission
Distance
Electric
transmission lines and network control lines are buried
under the seabed. In some cases, the first wind turbine
site is located more than 3 km from the control center.
An inefficient network design can dramatically increase
the cost of cabling. For this reason, determining a good
location for each wind turbine, and implementing a reliable
network with nonstop network communication can have a big
impact on future maintenance costs.
Maintenance
The
cost of sending engineers to a wind turbine site to collect
power meter data or to conduct regular maintenance can be
very high. This is particularly true since ships or helicopters
must be used for transportation. Traditionally, maintenance
technicians had to be winched down to the wind turbine platform
from a helicopter if the sea was too rough to approach the
structure by boat. Not only is it expensive to rent a helicopter
or boat, but it is also extremely dangerous to send engineers
into such a hazardous area. Moreover, if the weather conditions
are particularly fierce, then work on the wind turbine may
need to be postponed for an unknown amount of time. Being
able to set up a reliable control network with a SCADA system
can greatly simplify the task of managing and controlling
a wind turbine farm.
Control
Network
Ethernet
is the perfect solution for reducing the total cost of setting
up and maintaining a communication network. By using Ethernet,
engineers do not need to learn proprietary protocols, which
are only supported by specific vendors at a high price.
Engineers can also concentrate on determining which product
functions and features are needed.
Typical
Wind Turbine Control Network
Typical
network diagram I

Typical
network diagram II

MOXA's
Networking Solutions are Suitable for Wind Turbine Systems
- Characteristics
of offshore wind turbine applications
1. Control center and wind turbines are separated
by a long
distance
2. Products must have a long MTBF
3. Products must be high quality
4. Ring structure for saving on cabling and adding redundancy
5. Corrosion protection
6. Extreme operating temperature environment
- Moxa's
solution can meet the critical requirements of offshore
wind turbine networks
1. SM FX is up to 80 km, MM FX is up to 5 km
2. Moxa Networking's products come with a long MTBF,
and
each product comes with a solid
5-year warranty
3. Moxa's products are high quality, and have a low DOA
rate
4. The recovery time of a Moxa Turbo Ring system is less
than
300 ms
5. Products come with an aluminum casing
6. Moxa's wide temp models can operate in a -40 to 75°C
temperature range
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NEW
PRODUCT HIGHLIGHTS |
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Coming
in March:
Fiber Models of NPort IA Industrial Device Servers |
| The
100BaseFX fiber Ethernet models (SC connector) of the
NPort IA series will be available
in March. These fiber models can be used to extend an
Ethernet connection up to 40 km (when using single mode
fiber).
NPort
IA device servers are equipped with a software selectable
RS-232/422/485 interface. The inch-wide NPort IA saves space
when installed on a DIN-Rail mounting rack. In addition,
NPort IA device servers have a dual input power system.
If one power line fails, or the Ethernet connection is severed,
alarms can be issued using the built-in relay, or be sent
by email to the administrator.
Key
Features
Slim, inch-wide casing for DIN-Rail or wall mounting
10/100BaseTX (RJ45) or 100BaseFX (SC connector) Ethernet
Built-in cascading port for easy wiring
Redundant dual DC power inputs
Warning by relay output and E-mail
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Model |
Description |
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NPort IA5150-M-SC |
1-port RS-232/422/485 serial device server, 10/100BaseFX
(SC, Multi mode) |
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NPort IA5150I-M-SC |
1-port RS-232/422/485 serial device server with 2
KV isolation, 10/100BaseFX (SC, Multi mode) |
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NPort IA5150-S-SC |
1-port RS-232/422/485 serial device server, 10/100BaseFX
(SC, Single mode) |
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NPort IA5150I-S-SC |
1-port RS-232/422/485 serial device server with 2
KV isolation, 10/100BaseFX (SC, Single mode) |
Detailed
information about NPort IA is available on Moxa's website
at http://www.moxa.com/product/NPort_IA-51505250.htm.
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Coming
Soon:
EDS-208 Series of Entry-level Industrial
8-port Unmanaged Ethernet Switches |
| EDS-208
is an entry-level industrial 8-port Ethernet switch that
provides a cost-effective solution for your industrial Ethernet
connections. You can use either a DC power input (12 to
45 VDC) or AC power input (18 to 30 VAC).
The
wide operating temperature range
(-10 to 60°C) and DIN-Rail mounting ability make the
plug-and-play EDS-208 EtherDevice™ Switch suitable
for industrial Ethernet applications, such as Building Automation,
Machine Automation, and Factory Automation fields.
Features
8-port unmanaged switches with 10/100BaseT(X) (RJ45),
100BaseFX (Multi mode, SC/ST connector)
Supports IEEE802.3/802.3u/802.3x
Operating temperature range from -10 to 60°C
Power inputs: 12 to 45 VDC, 18 to 30 VAC
DIN-Rail mounting ability
Ordering
Information
| Model |
Description
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EDS-208 |
Entry-level
Unmanaged Ethernet Switch with 8 10/100BaseT(X) ports,
Operating Temperature of -10 to 60°C
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EDS-208-M-SC |
Entry-level
Unmanaged Ethernet Switch with 7 10/100BaseT(X) ports,
1 Multi-mode 100 BaseFX port, SC connector, Operating
Temperature of -10 to 60°C
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EDS-208-M-ST |
Entry-level
Unmanaged Ethernet Switch with 7 10/100BaseT(X) ports,
1 Multi-mode 100 BaseFX port, ST connector, Operating
Temperature of -10 to 60°C
|
Dimensions
(unit=mm)

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PRODUCT APPLICATIONS |
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| Making
Traditional Factories more Advanced and Automated |
| Overview
Upgrading from a traditional factory to a modern factory
requires more than just replacing machines and equipment.
More importantly, modern factories require an upgraded
communication and control system. Upgrading the
communication system can save much time and cost by reducing
engineers' travel time. This includes the time spent moving
from station to station inside the factory, as well the
time needed to travel between home and factory to handle
emergencies. Overall, upgrading a factory's control system
provides engineers with greater flexibility.
Benefits from Moxa
Moxa provides a wide range of products that can
be used to create a modern factory.
- Serial
Communication Boards
Expand the number of serial ports for a PC to
connect serial machines directly to the PC, or to connect
modems for remote control.
- Serial
Device Servers
Connect one or more serial machines (PLC, CNC,
etc.) to the Ethernet network to provide remote management
and control from any PC on the network.
- Wireless
Device Servers & Access Points
Some factories can take advantage of the wireless solution
to avoid the hassle and expense of wiring machines to
each other and to the network.
- Media
Converters
Convert between RS-232 signals and the ever popular RS-485
signals, or create a reliable extension that can be used
in high-noise environments.
- ready-to-run
Embedded Computers
All-in-one embedded computers can be used for specialized
computational tasks; you will no longer need to send
all data
back to a central backend computer.
- Industrial
Video Servers
Maintain entrance security by connecting legacy
cameras to an Ethernet network and storing important video
images in digital format.
- Ethernet
I/O Servers
Create a real-time monitoring and control system; e.g.,
you can easily check the output of temperature sensors
to maintain the safety of your factory system.

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| Make
Your Building Smarter with ioLogik 4000 and UC-7110 |
| More
and more people expect their home and office environment
to be more convenient, and in answer to this demand,
construction
companies are devoting a greater effort to design buildings
that are more automated. Moxa provides excellent remote
I/O solutions for data acquisition that can be used to
make
buildings smarter. The Moxa ioLogik series provides several
different models for digital input/output and analog
input/output.
These remote I/O solutions can help you connect a variety
of sensors.
Network
I/O Server (ioLogik
4000 NA-4020)
- Full
Range of Digital and Analog I/O modules
- Supports
Modbus protocol
- Modular
package for fast swap and maintenance
- Easy-to-use
DLL library for user programming
Front-end
Embedded Computer (UC-7110)
- Mini
controller with Linux-based platform for customized
applications
- Auto-sensing
10/100 Mbps Ethernet ports x 2
- Software
selectable RS-232/422/485 ports x 2
- Built-in
RTC
- Supports
Pthread for multi-thread environments

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| Monitoring/Management
System for Petrochemical Plants |
| Sinopec
Oil Ltd. has facilities in Jeng Hai that are based on the
Shanghai Long River estuary. The big petrochemical plants
controlled by the company include Sinopec Shanghai Oil Ltd.,
Sinopec Yangtz Oil Ltd., and Sinopec Yijeng Oil Ltd. In
fact, Jeng Hai became the first oil reserve base that came
under the purview of the National Development and Reform
Commission. China Automatic Control Technology Ltd. with
its many years of experience in the petrochemical automatic
control field has bid successfully for many automatic monitoring
control projects in the Jeng Hai oil reserve base case.
There are six oil tanks that need to be monitored in this
oil reserve base. Once the monitoring parameters are transferred
from each tank to a PLC, the PLC will take care of the logic
control immediately. The host computer uses assembly software
to collect PLC data to do on-site monitoring, warning, and
data management. The host computer uses EDS-405-MM
and ED6008-MM
to form double rings for network redundancy; there are two
EDS-405-MM switches in the oil tank area and four ED6008-MM
switches in the central control room. Network redundancy
ensures that the network connection will not fail due to
a break in the fiber, or switch failure. Also, relays can
notify engineers to repair the fiber or switches when they
fail.
EtherDevice™ Switch ED6008 Series
Industrial 8-Port Managed Redundant Ethernet Switch
- Turbo
Ring with fast recovery time of 300 ms
- Rapid
Spanning Tree Protocol (IEEE 802.1w) supported
- Automatic
E-mail or relay warning by user-configured event
- Easily
managed by web browser, Windows utility, or Telnet/Serial
console
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Operating temperature range from -40 to 75°C
EtherDevice™ Switch EDS-405 Series
Industrial 5-Port Unmanaged Redundant Ethernet Switch
- Plug-n-Play,
redundant Ethernet solution
(recovery time < 300 ms)
- Relay
output warning for power failure and port break alarm
- Redundant
dual 24 VDC power inputs
-
Operating temperature range of -40 to 75°C

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MOXA
NEWS |
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| See
Us at CeBIT Tradeshow |
| 
|
CeBIT
2006
March 09-15, 2006
Hannover, Germany
Hall 15, D43
More
Info. |
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PROMOTIONS
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| Introducing
IMC-21—Extending the Ethernet Distance by Converting
Ethernet to Fiber |
| MOXA
Entry-level Industrial Media Converter IMC-21 series consists
of 10/100BaseT(X) to 100BaseFX and 10BaseT to 10BaseFL media
converters that are specially designed for reliable and
stable operation in harsh industrial environments. IMC-21
is a cost-effective solution that runs on either a 12 to
45 VDC power input or 18 to 30 VAC power input.
IMC-21 can operate reliably in temperatures ranging from
-10 to 60°C, and the rugged hardware design helps ensure
that your Ethernet equipment can withstand demanding industrial
conditions.
-->
Click here to see complete information about IMC-21's
features, specifications, and press release. You will also
have the opportunity to download a complete datasheet.
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