Member Login
Search
Past & Future Posts
Sponsored Communities
Neat Stuff

Visit our shop for nerds in control lifestyle products.
Cool stuff
Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Totally illogical, there was no chance.
-- Spock, "The Galileo Seven", stardate 2822.3
-- Spock, "The Galileo Seven", stardate 2822.3
RSS Feed
www.control.com/rss
from the Automation List department...
1794-AENT losing communicationWe are using 6 Hirschman RS30 version 3.102 switches in a looped fiber network. 40 1794-AENT ethernet modules are connected to this network. A ControlLogix PLC communicates with two 1756-ENBT A. PLC is losing communication with 1794-AENT
modules sometimes.
How would you fix this problem? We need help...
modules sometimes.
How would you fix this problem? We need help...
A customer had a similar problem with a similar setup. Turned out the Hirschmann switches had a bug in their firmware. Updating to a later version
of the f/w solved the problem.
of the f/w solved the problem.
From Control Engineering magazine...
Related articles from Control Engineering magazine- ODVA, DeviceNet: New CIP specs; ControlNet added; 2009 meeting
- Embedded, wireless devices, dynamic IP routing
- Listen in: Wireless developments for Air Force may influence industrial applications
- Easier implementation: Kits for cable testing, wireless products
- Inside look: How MTL Instruments fits with Cooper Industries
- Ethernet hardware: Switches and more
- Frost & Sullivan awards honors many automation, controls companies
- ABB update: User conference, exhibition, flow, SCADA, wireless
Above articles copyright 2008 Reed Business Information. Subject to its Terms of Use.
Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2008 Control Technology Corporation. All rights reserved.
Users of this site are benefiting from open source technologies, including PHP, PostgreSQL and Apache. Be happy.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!



