from the Communication department...Honeywell TDC3000 and Triconex V10
Communciation between Honeywell TDC3000 and Triconex V10
How about you consider using the SMM module interface on the TDC3000 UCN instead of the HG? The SMM...
from the IMD department...Mark-IV printers
mark-IV printer replacement
By Bagan on 9 May, 2009 - 2:19 am -
Sorry for the delay Baud : 2400 Parity: EVEN Data Bits: 7 Stop :1 Flow Control : None ...
from the Forum department...4-20 to modbus converters
looking for 4-20 converter
By Curt Wuollet on 9 May, 2009 - 1:51 am -
Sure there is. It's a PLC. Seriously, doing that with one of the small brick PLCs would probably be...
By paul on 8 May, 2009 - 11:07 pm -
look at Adams Modules...
from the Forum department...E+H FieldCare Comunication with Yokogawa
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...
By James on 7 May, 2009 - 11:02 pm -
If it anything like the HART modem, you'll need to use a 250ohm resistor in series and hook up the...
from the Forum department...Schematic (pin assignment RJ45 / RJ45) of 110 XCA 282 comm. cable.
pin assignment of 110 XCA 282 comm. cable
I think that would be diagram "H" on page 34 of the Schneider/Modicon publication...
from the modbus and matlab department...Communicating with WAGO from Matlab
Best way to communicate with a WAGO device from Matlab? (Considering OPC server vs. TCP connection + .dll)
By Mark on 7 May, 2009 - 1:05 pm -
Automated Solutions offers several off-the-shelf Modbus connectivity solutions (ActiveX Controls,...
from the All The Time, Everywhere department...Control.com forum on Twitter
A Twitter feed of new post titles is now available.
from the I/E department...Controlwave Express Alarming
Having problems with alarming controlwave express units.
from the Engineering department...Acquire data from Daniel S600 via web server
acquire data from S600 flow computer via web server
Dear jerry, In S600 you have enough ports with modbus protocol, can you explain what is the...
from the UFOP department...Why do we need terminators in fieldbuses? How many of them per segment? Do we also need terminators for all the spurs?
What is the correct usage of the resistive terminators in networks? What is it for?
By Russ Kinner on 6 May, 2009 - 3:37 pm -
If you can afford buying an old copy of my instructor's book, do so. You can find some offered at...
By Russ Kinner on 6 May, 2009 - 3:19 pm -
A good starting point is the wikpedia entry: http://en.wikipedia.org/wiki/Transmission_line ...
By Felipe on 6 May, 2009 - 9:11 am -
Right, pvb, I appreciate your help. I got the point over the reflections on a barrier, but what...
By Felipe Lage on 6 May, 2009 - 9:01 am -
Cww, I'm just discrbing the components of an industrial network, and I found some trouble on...
By Curt Wuollet on 6 May, 2009 - 2:24 am -
If you are writing a dissertation on the subject, shouldn't you be telling us why you use...
By pvb on 6 May, 2009 - 12:53 am -
The electric cable has a impedance. If there is no resistance with that value at the end of the...
from the Forum department...TCP slave with separated memory maps
TCP slave with sepparated memory maps
>//2b. Prepare a process image from 45001 to 45100 spi.setRegister(45001, new...
from the Learning department...Learning BUS protocol
I'm trying to find a good source for learning the bus protocols
By Jonas Berge on 5 May, 2009 - 7:36 pm -
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/ ...
from the Automation List department...Communication with 920i Controller
Working with a 920i controller and trying to communicate the rs 485 port of the controller with the computer.
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...
from the Valves gone wild department...Power and Bus Control over two wires?
What are the options?
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: ...
By James Fountas on 30 April, 2009 - 9:07 pm -
iFix has loads of drivers for communications. This is probably the smallest piece of the puzzle....
By James Ingraham on 30 April, 2009 - 10:27 am -
AS-i (Actuator Sensor Interface, roughly sounds like Ozzy Osbourne's first name) is the only one I...
By Don Lupo on 30 April, 2009 - 7:59 am -
You could consider running a straight RS485 Modbus RTU protocol. At speeds under 115Kbps, you can...
from the Instrumentaion department...LIT transmitter
Calibration of LIT yokogawa EJX series
from the Forum department...FieldBus Communicator
Looking for test equipment to work on the foundation fieldbus beside the 375 field communicator
from the Forum department...Radio communication problem
Radiomodem communication Problem
from the Forum department...OPC Write
Is there a way to disable write capability on an OPC server?
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 ...
from the Forum department...OPC Unsolicited does not update with same value
Updating OPC point set to unsolicited
By Fred Loveless on 29 April, 2009 - 5:07 pm -
That is because the Change event is only triggered when the point value or quality changes from the...
from the Can't talk to SATEC meter department...MODBUS Communications Tester
PLC Modbus Master will not talk to SATEC power measurement meter.
I have a freeware Win32 Console application that will monitor two RS232 1/2 duplex data streams...
from the Integrating Legacy Systems department...ABB EXCOM Protocol
Upgrading Central Control System to use DNP3 (IP) or IEC 870-5-104 protocol
By A Paterson on 28 April, 2009 - 8:53 am -
Hi Pavan, I'm glad to hear your MP200 has ran well since 1985. This is great and we have many...
from the Automation List department...Eliwell Televis/Micronet protocol
Eliwell Televis RS485 network to industrial PLC.
By Roy on 27 April, 2009 - 10:55 am -
sorry guys but Telvis is lock protocol although if you have IC902 that can connect to RS485 so you...
from the Forum department...effectiveness of OPC for longer distances in Power Plant
effectiveness of OPC for longer distances in Power Plant
By Fred Loveless on 27 April, 2009 - 10:29 am -
As you have already found out from the other posts OPC is not a communications protocol it is a way...
By Rob on 27 April, 2009 - 12:27 am -
OPC is widely used and is very good at providing an HMI link to remote sites. OPC is an ethernet...
By pvb on 26 April, 2009 - 3:47 am -
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...
from the Forum department...USB - RS232 for TISOFT2 (DOS program)
Using an old DOS program that relies on serial ports on a new PC without one.
>Another alternative might be a RS232 >Terminal Server it *might* be indeed, but I'm...
One way to make your old car run better is to look up the price of a