Welcome to Control.com, the global online community of automation professionals.
Control.com - Nerds in Control
Member Login
Search
Jump to a Date
Sponsored Communities
Cool stuff
Twitter Feed
Neat Stuff
Visit our shop for nerds in control lifestyle products.
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
Barach's Rule:
An alcoholic is a person who drinks more than his own
physician.
An alcoholic is a person who drinks more than his own
physician.
RSS Feed
Use this link to get an RSS feed of the Control.com article flow, for private, non-commercial use only:www.control.com/rss/
To get a personalized feed, become a member at no cost.
1
Control.com member...
Member Information and Posts by scadametrics
Low cost power meter-data acquisition.
New Replies:
Raj,
I was not able to tell whether you need 3-phase or single-phase and whether this is for...
Modbus TCPIP master to many slaves
New Replies:
Miroslav,
If your slaves (servers) support Modbus/UDP, then you could use Modbus/UDP as an...
serial connectors
New Replies:
QVS.COM
P/N CC342 : RJ45F to DB25M
P/N CC343 : RJ45F to DB25F
P/N CC438 : RJ45F to DB9M
...
Question about connection between two control units
New Replies:
Roy, that was my question, too.
Regarding the protocol used by the DCS, 'Ethernet' just isn't...
Unrecoverable major fault : code 60 in control logix L61 Processor
New Replies:
If you can load a different/simple ladder logic program into the c*logix (preferably an example...
PIC and PC communication via USB
New Replies:
You will need to program both the PC and the PIC to talk via USB.
On the PIC end, Microchip...
Connect an Modbus Slave Simulator to Scada
New Replies:
Nishith,
Simply Modbus offers a Modbus Slave Simulator.
Here is a link to their website:
...
NTP/Modbus interface for time-stamping
New Replies:
There is no practical limit to the number or protocols that can be sent via a single Ethernet port....
gc05,
NTP, as far as I know, is a network protocol for time-synchronization --- in other words,...
Water/Gas Meter with Modbus/LonTalk/BACnet Compatibility
New Replies:
Hello Steve,
For your application, I recommend using a Sensus (or Sensus-compatible) water meter...
how a flow meter communicate
New Replies:
For your application, I recommend using a Sensus water meter and a Sensus gas meter, both of which...
I believe that you will need two pieces of software... one for data collection/communication via...
zabee,
If you wish to interrogate totalization and flow rate from water meters, then my company...
Vahid,
The 7955, depending upon which communication options it has, may support MODBUS/RTU or...
What is the brand and model of the flow meter? And what is the flow meter monitoring (water, gas,...
Licensed-FREQ Ethernet Radio for USA SCADA application.
New Replies:
One other thing...
The MDS SD9 is, I believe, backwards-compatible with the 9710's that you are...
I have experience with the GE/MDS SD9, and it does exactly what you are asking for. IP over...
Log data from serial ports.
New Replies:
I made a mistake on the link. Try this one...
http://scadametrics.com/blog/?p=22
...
Glad that my solution was helpful, Vaneeth.
My snooper program was written in C and compiled in...
Vaneeth,
I did something like this once, but with a twist that may make your job easier.
In...
I want to understand whether it makes sense to convert to a report by exception basis in PLCs and whether it is even possible?
New Replies:
Mcafone,
This doesn't really answer your question, but FWIW... If your AB processors and RsLinx...
Serial interface between Allen Bradley's Control Logix and Emerson Ovation DCS
New Replies:
Ann,
I have no specific experience with the problem as stated, but I suspect that the connection...
from the application dept. department...
seeking frequency/pulse (from a flow meter) to MODBUS converterI need equipment for converting a pulse/frequency signal from a flow meter (compound for waste water flow) to MODBUS RTU SLAVE Protocol.
New Replies:
Argolo,
What is the brand and model of the flow meter?
...
Connectivity from RSLogix on USB PC to SLC 5/04
New Replies:
CY,
I've found that some USB-Serial adapters can't handle parity = odd or parity = even.
They...
Need a 'software serial port' that will allow my modbus RTU software to communicate with a modbus TCP/IP device
New Replies:
I don't know about a software solution, but I have experience using the Digi One IAP, which...
Exchange data between 2 device on TCP/IP
New Replies:
engg_ice,
Is your application connecting an S7 with an AB drive?
What protocol(s) does the...
Is it possible to convert Modbus signal from a field device to HART either in the field or in safe area ?
New Replies:
Here's an old thread with some info regarding modbus->hart conversion...
...
Wireless Pressure Transducer
New Replies:
Keller America offers a Modbus/RTU Slave (RS-485) pressure transducer that can be mated with a...
Modbus Connection AB CompactLogix - Mitsubishi A2ACPUcomm
New Replies:
To answer this question fully, I'm pretty sure we need to know which of these PLC's is to be the...
Looking for a suitable HMI + PLC(or RTU) system for pipeline water SCADA project.
New Replies:
Hello Auto Guy,
In your project, if you have large master meters along the pipeline and/or within...
Flow Totaliser
New Replies:
Hello Yong,
If your water meter is turbine-based or single-jet-based (eg. Sensus, Neptune, Badger,...
1
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 © 1999-2009 Nerds in Control, LLC. All rights reserved.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!