Control.com topic...
Communications
Topic: Communications systems and equipment.
from the Communication department...
Honeywell TDC3000 and Triconex V10
Originally posted by Comms Block on 17 February, 2009 - 3:14 am
Communciation between Honeywell TDC3000 and Triconex V10
New Replies:
How about you consider using the SMM module interface on the TDC3000 UCN instead of the HG? The SMM...
Topic: Communications systems and equipment.
from the IMD department...
Mark-IV printers
Originally posted by Bagan on 20 February, 2009 - 5:52 am
mark-IV printer replacement
New Replies:
Sorry for the delay Baud : 2400 Parity: EVEN Data Bits: 7 Stop :1 Flow Control : None ...
Topic: Communications systems and equipment.
from the Forum department...
4-20 to modbus converters
Originally posted by Riley Morrison on 8 May, 2009 - 5:32 pm
looking for 4-20 converter
New Replies:
Sure there is. It's a PLC. Seriously, doing that with one of the small brick PLCs would probably be...
look at Adams Modules...
Topic: Local and wide area networking in factory automation.
from the Forum department...
E+H FieldCare Comunication with Yokogawa
Originally posted by Thor on 7 May, 2009 - 4:17 pm
Communication error
New Replies:
When I connect the Comm box up in series on the negative terminal to the power supply, there is a...
Yes, 250ohm resistor should be hooked up. if you didn't connect it, then the reason why it...
If it anything like the HART modem, you'll need to use a 250ohm resistor in series and hook up the...
Originally posted by PlcStud on 6 May, 2009 - 8:46 am
pin assignment of 110 XCA 282 comm. cable
New Replies:
I think that would be diagram "H" on page 34 of the Schneider/Modicon publication...
Topic: PLCs and related questions.
from the modbus and matlab department...
Communicating with WAGO from Matlab
Originally posted by ddunnett on 7 May, 2009 - 5:56 am
Best way to communicate with a WAGO device from Matlab? (Considering OPC server vs. TCP connection + .dll)
New Replies:
Automated Solutions offers several off-the-shelf Modbus connectivity solutions (ActiveX Controls,...
Topic: The Business of Automation and Control
from the All The Time, Everywhere department...
Control.com forum on Twitter
Posted by Ken Crater on 7 May, 2009 - 9:00 am
A Twitter feed of new post titles is now available.
Topic: Software, including programming, OS issues, etc.
from the I/E department...
Controlwave Express Alarming
Posted by A900ftcat on 7 May, 2009 - 8:40 am
Having problems with alarming controlwave express units.
Topic: Engineering and workplace issues.
from the Engineering department...
Acquire data from Daniel S600 via web server
Originally posted by Jerry on 6 May, 2009 - 11:41 am
acquire data from S600 flow computer via web server
New Replies:
Dear jerry, In S600 you have enough ports with modbus protocol, can you explain what is the...
Originally posted by Felipe Lage on 5 May, 2009 - 11:09 am
What is the correct usage of the resistive terminators in networks? What is it for?
New Replies:
If you can afford buying an old copy of my instructor's book, do so. You can find some offered at...
A good starting point is the wikpedia entry: http://en.wikipedia.org/wiki/Transmission_line ...
Right, pvb, I appreciate your help. I got the point over the reflections on a barrier, but what...
Cww, I'm just discrbing the components of an industrial network, and I found some trouble on...
If you are writing a dissertation on the subject, shouldn't you be telling us why you use...
The electric cable has a impedance. If there is no resistance with that value at the end of the...
Topic: Communications systems and equipment.
from the Forum department...
TCP slave with separated memory maps
Originally posted by DaleCooper on 5 May, 2009 - 9:39 am
TCP slave with sepparated memory maps
New Replies:
>//2b. Prepare a process image from 45001 to 45100 spi.setRegister(45001, new...
Topic: Communications systems and equipment.
from the Learning department...
Learning BUS protocol
Originally posted by ACox on 29 April, 2009 - 10:58 am
I'm trying to find a good source for learning the bus protocols
New Replies:
To learn more about Fieldbus, PROFIBUS, and Ethernet and stuff you did not know about HART take a...
By Patrick Lansdorf on 30 April, 2009 - 2:46 am -
Hi ACox, I have some links that you might find usefull: http://www.fieldbus.tv/ ...
Topic: Continuous process industries, DCS questions.
from the Automation List department...
Communication with 920i Controller
Originally posted by Paola Pástor on 20 February, 2009 - 11:03 am
Working with a 920i controller and trying to communicate the rs 485 port of the controller with the computer.
New Replies:
By Todd Dietrich on 5 May, 2009 - 10:45 am -
Hello, I've had pretty good success setting up communications with the 920i. There are a couple...
Topic: Communications systems and equipment.
from the Valves gone wild department...
Power and Bus Control over two wires?
Originally posted by Walt Flanigan on 30 April, 2009 - 12:03 am
What are the options?
New Replies:
By James Ingraham on 4 May, 2009 - 11:15 am -
Well, that's pretty cool. And it has a serial port. Why not just tie the PLC to the RainBird...
This is something already done by cheap, commercial irrigation companies. See this: ...
iFix has loads of drivers for communications. This is probably the smallest piece of the puzzle....
AS-i (Actuator Sensor Interface, roughly sounds like Ozzy Osbourne's first name) is the only one I...
You could consider running a straight RS485 Modbus RTU protocol. At speeds under 115Kbps, you can...
Topic: Engineering and workplace issues.
from the Instrumentaion department...
LIT transmitter
Posted by Ahmed Elwan on 4 May, 2009 - 2:31 am
Calibration of LIT yokogawa EJX series
Topic: Communications systems and equipment.
from the Forum department...
FieldBus Communicator
Posted by SHR on 4 May, 2009 - 12:30 am
Looking for test equipment to work on the foundation fieldbus beside the 375 field communicator
Topic: Communications systems and equipment.
from the Forum department...
Radio communication problem
Posted by omoresa on 1 May, 2009 - 1:21 pm
Radiomodem communication Problem
Topic: Communications systems and equipment.
from the Forum department...
OPC Write
Originally posted by gisaac on 1 May, 2009 - 8:42 am
Is there a way to disable write capability on an OPC server?
New Replies:
By Adriel Michaud on 1 May, 2009 - 10:35 am -
Their OPC Support should be able to help you out. Their contact info is at www.opcsupport.com ...
Originally posted by Peter Mellemans on 29 April, 2009 - 5:16 am
Updating OPC point set to unsolicited
New Replies:
That is because the Change event is only triggered when the point value or quality changes from the...
Topic: Communications systems and equipment.
from the Can't talk to SATEC meter department...
MODBUS Communications Tester
Originally posted by Thomas Toms on 27 April, 2009 - 2:52 pm
PLC Modbus Master will not talk to SATEC power measurement meter.
New Replies:
I have a freeware Win32 Console application that will monitor two RS232 1/2 duplex data streams...
Topic: Communications systems and equipment.
from the Integrating Legacy Systems department...
ABB EXCOM Protocol
Originally posted by Pavan Bhonde on 27 July, 2006 - 12:26 pm
Upgrading Central Control System to use DNP3 (IP) or IEC 870-5-104 protocol
New Replies:
Hi Pavan, I'm glad to hear your MP200 has ran well since 1985. This is great and we have many...
Topic: Communications systems and equipment.
from the Automation List department...
Eliwell Televis/Micronet protocol
Originally posted by Priit on 31 May, 2008 - 1:05 am
Eliwell Televis RS485 network to industrial PLC.
New Replies:
sorry guys but Telvis is lock protocol although if you have IC902 that can connect to RS485 so you...
Originally posted by Gaurav Dhiman on 25 April, 2009 - 8:47 am
effectiveness of OPC for longer distances in Power Plant
New Replies:
As you have already found out from the other posts OPC is not a communications protocol it is a way...
OPC is widely used and is very good at providing an HMI link to remote sites. OPC is an ethernet...
The first question is, if there is a relyable TCP/IP connection available over this distance or if...
The 'protocol' OPC uses would be Microsoft COM/DCOM. While OPC (i.e. DCOM) can be used over a...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
USB - RS232 for TISOFT2 (DOS program)
Originally posted by bartb on 7 April, 2009 - 3:03 pm
Using an old DOS program that relies on serial ports on a new PC without one.
New Replies:
>Another alternative might be a RS232 >Terminal Server it *might* be indeed, but I'm...

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