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Communications
Topic: Communications systems and equipment.
from the Communication department...
Yokogawa Centum CS 3000 & 3500/92 Communication
Originally posted by Vibcone on 12 July, 2009 - 4:03 am
Error in reading Analog Data from Holding registers
New Replies:
1. Parity is redundant with CRC checking, so you might disable parity else you may limit full...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Satchwell Sigma Interrogation
Originally posted by Rav Panchalingam on 10 July, 2009 - 12:54 am
In need of a software (or hardware) solution to read data out of a Sigma system on demand.
New Replies:
There are BACNET libraries on Sourceforge. I suggest that you try one of those. Since you'll have...
Originally posted by Brian on 9 July, 2009 - 8:16 pm
looking for a setup guide or some app notes
New Replies:
What SLC500 module are you using??? The 3150-MCM module has 2 DB-9 ports ont he front of the...
Topic: Communications systems and equipment.
from the Forum department...
Wayne Dresser Current Loop protocol
Originally posted by Sax on 19 April, 2009 - 4:25 am
Dresser Wayne Protocol for Current Loop
New Replies:
I am need Wayne Protocol, email me please. deniss [at] bas.lv ...
Topic: Communications systems and equipment.
from the Forum department...
CANopen help
Originally posted by Patrick Vogeli on 23 May, 2009 - 9:29 am
I need some help as to understanding some basics, mainly SDO usage & configuration, of the CANopen protocol.
New Replies:
Patrick, assuming German is one of the languages you can read: ...
Topic: Communications systems and equipment.
from the Someone, somewhere has the answer department...
Monitoring for lease line connections
Originally posted by Kelly Crist on 7 July, 2009 - 2:54 pm
We would like to monitor the Tx/Rx of our lease line connections, 9600 baud, for loss of connectivity
New Replies:
I've found what I was looking for - something like this -...
Thank you Paul, the physical interface is a RS232 DB25 which connects to the RTU onsite. I've...
> Kelly Crist writes: > We have 3 lease line connections and were currently using the...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Modbus TCP listener in C#.net
Originally posted by chaitu18 on 7 July, 2009 - 9:58 am
Modbus TCP listener for handling multiple clients and making smooth communication including database storage.
New Replies:
Automated Solutions offers a Modbus Slave (server) ActiveX Control that can be used in C# Windows...
A "TCP listener"? Do you mean a Modbus/TCP server? The client sends a request to the...
Topic: Communications systems and equipment.
from the Forum department...
York chiller MS/TP MicroGateway
Posted by Mike Sanderson on 8 July, 2009 - 10:47 am
Interfacing to York MicroGateways
Topic: Communications systems and equipment.
from the Comms department...
s7200 with radio's
Posted by thebhoy on 7 July, 2009 - 11:04 am
Communication problems with s7 and radio's
Topic: Communications systems and equipment.
from the for PC DNP 3.0 serial simulations department...
DNP 3.0 serial simulator?
Originally posted by jose luis on 13 July, 2001 - 7:22 pm
Do you know if there is any simulator software for the DNP 3.0 protocol over a serial RS232 connection?

New Replies:
We use Trianlge Microworx DNP simulator as one of our test applications along with with physical...
People, help needed. I am trying to find a supplier for the source come library for DNP3 Slave and...
Topic: Communications systems and equipment.
from the Forum department...
MOSCAD I/O Server of Wonderware
Posted by Rajesh.G on 6 July, 2009 - 11:33 am
Communicating Wonerware SCADA with Motorola RTU - STS1250 via MOSCAD I/O server of Wonderware
Topic: Computers in manufacturing; also hardware discussion.
from the Forum department...
Cicode function problem
Originally posted by Elish on 3 July, 2009 - 6:25 am
Cicode function problem - Variable Tags
New Replies:
It has been awhile since I use Cicode, but if I remember correctly the tag value will only get...
Topic: Communications systems and equipment.
from the Automation department...
DCS Shutdown signals
Originally posted by khanna on 30 June, 2009 - 5:37 am
Shutdown logic signal between two DCS systems
New Replies:
If a SIL assessment has shown that a SIL rating is required for these valves then using serial...
In my experience I haven't come across any standards which says that shutdown through serial link...
These are two critical shutdown signals to trip-valves. As such we have not done this yet as we...
How critical are the shutdown signals? What will happen if you loose communications? Have you...
Topic: Human-Machine Interface and SCADA.
from the Forum department...
OPC Server Hanging at will
Originally posted by MIX on 29 June, 2009 - 12:50 pm
OPC Server Hanging at will
New Replies:
Check the memory usage at regular intervals to see if it is consuming more and more memory. If it...
Having used both Matrikon and Kepware for similar applications I would reccomend moving to Kepware...
By Adriel Michaud on 2 July, 2009 - 10:26 am -
MIX, have you contacted our OPC Support team? They'd be able to assist in resolving the issue. ...
Sometimes its not the software but the hardware. Maybe your PC have not enough RAM space to run...
Try KepserverEx (http://www.kepware.com). We have and extensive posotive history working with...
Try a different OPC Server. Free, fully-functioning, 30 day trial version available for download at...
Hi, The list of possible problems is very long. Without more data, finding the problem and...
Topic: Communications systems and equipment.
from the Forum department...
GE iFix MBE modbus ethernet V7.x driver
Posted by stevewild on 3 July, 2009 - 2:37 pm
Looking for a GE Ifix MBE modbus ethernet V7.x driver
Topic: Communications systems and equipment.
from the Advice department...
Ethernet I/O Devices
Originally posted by Eli Hunter on 30 June, 2009 - 4:17 pm
I'm seeking advice on a replacement device for an ADAM-6017, that's approximately the same size.
New Replies:
By William Sturm on 2 July, 2009 - 5:53 pm -
If you can do C programming, look at the single board computers from Rabbit Semiconductor. They are...
I've never bought anything from the following, so I can't exactly recommend them. However, you...
I checked the datasheet on the Advantech-6017 module and it indicates an update time of 10...
Originally posted by skwong on 31 May, 2009 - 11:39 pm
project using the Temco Thermostats (TSTAT5) which are run on Modbus communication (daisy chain connection)
New Replies:
By Benson Hougland on 2 July, 2009 - 5:29 pm -
Hello SK- I suggest posing your question to Opto 22 Product Support at support@opto22.com, or call...
Topic: Communications systems and equipment.
from the Control System department...
Yokogawa and Siemens Profibus Problem
Posted by Hamid Ali on 2 July, 2009 - 7:43 am
yokogawa ALP111 and Siemens 315-2dp-af03 communication problem.
Originally posted by Francesco Savino on 1 July, 2009 - 10:03 am
Which is the correct bits stop number with none parity?
New Replies:
Yes, but as you've noticed, many do not use two stops for no parity. In fact, I find it rarer to...
Topic: Human-Machine Interface and SCADA.
from the Forum department...
Communicating from PV600 to CTI 2572a
Originally posted by dandydonwi on 27 June, 2009 - 11:10 pm
e-net communication from PV600 to 2572a
New Replies:
I have been told I cannot communicate via e-net i/p directly to the CTI 2500 plc from a standard...
Originally posted by Nick Mueller on 28 June, 2009 - 10:39 am
Need information about layout of registers.
New Replies:
Thanks! Your answer absolutely addressed the philosophical side of my problem. There are...
Yes, coils, discrete inputs, holding registers, and input registers are just different ways of...
Topic: Communications systems and equipment.
from the Design department...
Modbus RTU protocol format with ODD PARITY
Originally posted by vijeta on 1 July, 2009 - 1:45 am
What is the MODBUS RTU PROTOCOL format for ODD PARITY?
New Replies:
Parity is redundant and never normally used WHEN CRC error checking is implemented. Parity is not...
Topic: Communications systems and equipment.
from the Packs Modbus department...
MODBUS Comm Issues with Kepware
Originally posted by Argener on 28 June, 2009 - 2:18 pm
Comm Issues MarkV - Lantronix - MODBUS - Kepware
New Replies:
Hmmm, i posted a response to the yesterday but it seems to not have made it up forum. The error...
Topic: Communications systems and equipment.
from the Forum department...
GSM/GPRS modem with power over RS485
Posted by Sammy on 30 June, 2009 - 6:09 am
GSM/GPRS modem with power over RS485

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