Setup guide
GRAVIMETRIC GATEWAY AND ETHERNET COMMUNICATIONS
5
Requirements for Cabled Ethernet
•
Ethernet to Serial Converter (G2-ES) –
Each Maguire controller must have it’s
own Ethernet to Serial Converter (G2-ES). Each G2-ES must be assigned a static I.P.
address as well and specific serial settings. Configuration instructions are provided
with each G2-ES and are also within this document. They are also posted online at
http://www.maguire.com/page.php/g2manuals.htm.
NOTE: Maguire Products, Inc. sells an Ethernet to Serial Converter, part # G2-ES-11
(110 volt), or part # G2-ES-12 (220 volt). This Ethernet to serial converter sold by
Maguire Products, has been tested and documented and shown to be reliable and
relatively easy to configure. Other Ethernet to serial converters are available on the
market and may vary in quality and configuration. If you choose to use a different
Ethernet to serial converter, please refer to the manufacturers instructions for
configuration. Specific Ethernet and serial settings can be found in this document.
Maguire Products, Inc. supports only the G2-ES-11 and G2-ES-12.
•
Cabling –
Recommended Ethernet cable for G2 communications is: Cat5e STP
(shielded, twisted pair), 24AGW solid cable. Cat5 is acceptable but has a shorter
maximum distance; CAT5 is rated to 100 meters, CAT5e is rated to 350 meters. The
Cat5e Ethernet cable must be run from G2-ES back to the G2 Server. If two or more
blenders are in use requiring more than one G2-ES, an Ethernet hub or switch is
required as a central junction for all Ethernet cables. All Ethernet cables, including the
G2 Server’s Ethernet cable, each blender’s G2-ES, and any optional G2 Client
computers, will be plugged into the Ethernet hub or switch.
If only a single blender is in use requiring one G2-ES and one run of Ethernet cable
from the G2 Server PC to the G2-ES, a hub or switch is not require however the
Ethernet cable must be configured as a crossover type cable. See crossover cable
diagram at the end of this document.
Each Cat5e cable run should not exceed 350 meters (Cat5 100 meters). If longer
lengths are required, use of a repeater may be necessary to maintain signal strength.
Stranded cable should not be used due to its significantly limited maximum distance
(10 meters, 33 feet). When installing the Ethernet cable, avoid sources of Electro-
Magnetic interference (EMI) such as vacuum loader lines, transformers, high
voltage lines, florescence lighting, etc.
• Ethernet may be used to break a large serial network into branches to improve the
overall signal strength on a serial network. See diagram.