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Control.com topic...
Networking
Topic: Communications systems and equipment.
from the Forum department...
RS-485 Communications
Originally posted by Bill Dolan on 24 June, 2014 - 1:47 pm
RS-485 Communications with Standing Waves
New Replies:
I think I have bulletproofed the install now based on many of your recommendations. Thank you...
My experience with RS485 has been characterized by success in spite of varied implementations and...
Thanks, these links were very helpful. Can you tell me if the cable twist adds to the cables...
In a word, yes. For a graphic illustration of such, look here: http://tinyurl.com/o6mbtwm ...
Posted by Raymond Laib on 24 July, 2014 - 9:55 pm
PF525 VFD drive faults via Stratix 8000 to be displayed on a HMI.
Topic: Software, including programming, OS issues, etc.
from the Software smithery department...
Ethernet/IP and Python
Originally posted by Mark Q Norman on 22 November, 2013 - 9:31 am
Need some help on using Python to test Ethernet/IP implementation.
New Replies:
Hello, At: http://www.hmisys.com/downloads/msExcel.zip is an Excel file that shows a...
By Lynn August Linse on 24 July, 2014 - 2:03 pm -
Sure, send an email direct to lynnl at digi.com. I've actually been asked quite a bit lately. I am...
Lynn, I'm working on a simulation software based on python, and I need to be able to read and...
Topic: Sensor technologies.
from the Instrumentation department...
analog 4-20mA output transmision
Originally posted by Kiyani on 10 May, 2012 - 6:02 pm
Analyzers analog output signal 4-20mA transmission
New Replies:
Is it safe to run analog and digital instrument signals in the same mulicore cable? multicore is...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Communication Error with MODBUS DCS RTU
Posted by michael on 22 July, 2014 - 3:04 am
MODBUS over ethernet connection between yokogawa DCS and abb rtu anr96 has a communication error after several minutes.

Topic: PLCs and related questions.
from the serious department...
Siemens PLCs
Posted by Reeny on 11 July, 2014 - 12:26 pm
steady red EF BF LEDs after trying to connect S7-400 cpu414 to pc (5611 pci card), the remedy?
Topic: Software, including programming, OS issues, etc.
from the Electrical & Instrumentation department...
Unable to load DTM of HART Field Transmitter
Originally posted by Hoa on 24 March, 2014 - 11:02 pm
The Preventive Maintenance Server can not access Rosemount HART protocol transmitters
New Replies:
Rosemount download site for DTMs for Rosemount instruments. http://tinyurl.com/qe6cfy8...
Topic: PLCs and related questions.
from the serious department...
Siemens PLCs s7-400 backup
Posted by Reeny on 6 July, 2014 - 7:36 am
Creating a backup for an s7-400
Topic: Communications systems and equipment.
from the Hope Can Help department...
New 32/64 bit S7 communication library
Originally posted by Dave Nardella on 2 September, 2013 - 5:58 am
100% Ethernet - Open Source -
New Replies:
By Vanderley Maia on 5 July, 2014 - 7:56 pm -
Very nice work! I try to use this library and your samples (rich-demos) but something doesn't...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Connecting a Emmerson AMS
Posted by shan marshal on 4 July, 2014 - 3:31 am
Connecting a Emmerson AMS for Profibus
Topic: Local and wide area networking in factory automation.
from the Control department...
Profibus to Modbus
Originally posted by Wade on 9 February, 2012 - 11:50 pm
Profibus to Modbus Conversion for Simatic S5
New Replies:
Simply putting a GSD file in the ES will not change anything. The hardware used in TXP is not...
Topic: Local and wide area networking in factory automation.
from the Engineering department...
RS485 multidrop network drops after few days
Originally posted by P Paul on 3 July, 2014 - 11:58 am
Modbus connections drops after few days and it resumes by changing modbus parameters in slave device.
New Replies:
By Lynn August Linse on 3 July, 2014 - 1:21 pm -
Based on 25 years experience with RS-485, sounds to me like you have a floating ground between the...
Topic: Communications systems and equipment.
from the Automation List department...
Working with MSCom and barcode scanner????
Originally posted by hung on 18 June, 2004 - 9:14 am
Working with MSCom and barcode scanner????
New Replies:
i want to work MSCom with this http://www.keepdynamic.com/dotnet-barcode-reader/ barcode scanner,...
Topic: Engineering and workplace issues.
from the electrical, domotics department...
modbus-scada
Originally posted by Remi Van Damme on 2 July, 2014 - 1:15 am
is it possible in a modbus network to have a SCADA system which polls for data from the slaves and another SCADA system which also collects data from the same slaves?
New Replies:
If you use a Modbus TCP gateway in front of the Modbus RTU line it is possible. If you can only...
You can't do it on the same subnet, as a Modbus subnet can have only one master. But the ICC...
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:
>Hi JOSE, We do have protocol analyser and simulator "RPA" which can simulate...
Topic: Software, including programming, OS issues, etc.
from the Free and open source department...
Free BACnet explorer and webserver
Posted by Frozenlock on 1 July, 2014 - 3:01 pm
I developed an open source BACnet software... I'm spreading the love ;-)
Originally posted by deep123 on 11 June, 2014 - 3:37 am
i want to connect one energy meter to two separate masters.
New Replies:
If you are able to open up a Modbus TCP connection from both of you Masters, you can use either...
By Lynn August Linse on 11 June, 2014 - 9:40 am -
Two easy solutions show up on the market: 1) use a Modbus/TCP to RTU bridge (so: Ethernet to...
Topic: Communications systems and equipment.
from the Electronics & control department...
PC communicatio with L&T Quasar power meter
Originally posted by Ajinkya on 30 November, 2009 - 1:11 am
PC communication with L&T Quasar power meter
New Replies:
You will get the data from energy meter directly in standard format of MODBUS. no need to have any...
Topic: Communications systems and equipment.
from the Department of Redundency Department department...
Using OPC to communicate with GE MKVIe
Originally posted by Brian on 4 June, 2014 - 2:31 pm
I'm trying to find out if anyone is using OPC to talk to a GE MKVIe from an ABB INFI90 DCS System.
New Replies:
Brian and CSA, I can tell you that I have worked at two sites now and have configured a...
CSA, We've not been able to talk directly to the TCP using Modbus yet. We're going through the...
Brian, My experience may be a little dated (I haven't seen a Mark VIe installation for over a...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Triconex PLC supervision (emulator)
Posted by winnakken on 13 June, 2014 - 8:06 am
Connect Tristation to InTouch
Originally posted by Ben Kinsella on 13 June, 2008 - 7:06 pm
Is it possible to plug and play?
New Replies:
Modbus does not support auto discovery...
Originally posted by Carlos Soriano on 20 September, 2012 - 10:40 pm
PLC Controllogix 5000 slow ethernet response
New Replies:
I too am having this issue! Compactlogix 1769 l35e and wonderware intouch software. We replaced a...
Topic: Local and wide area networking in factory automation.
from the AKH department...
4-20 ma HART Transmitter
Originally posted by gct on 7 May, 2014 - 4:10 pm
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
New Replies:
By Heinrich Baumann on 9 June, 2014 - 3:30 pm -
> Is 4-20 ma analog card of transmitter damaged because hart communicator is > showing only...
Topic: Local and wide area networking in factory automation.
from the HART multidrop department...
HART multidrop reliability
Posted by Franco Kew on 9 June, 2014 - 12:52 am
If one HART device fails, will the subsequent HART devices unseen from the system?
Topic: Communications systems and equipment.
from the Forum department...
GE multilin 369 with a Modbus TCP
Originally posted by brad on 6 February, 2009 - 3:03 pm
can you use a Modbus/TCP Ethernet communication between GD multilin 369 and a compactlogix Ethernet port?
New Replies:
> First question can you use a Modbus/TCP Ethernet communication between GD > multilin 369...
Topic: Computers in manufacturing; also hardware discussion.
from the Instruments department...
Conductor VMS dual monitors
Posted by Juan on 5 June, 2014 - 12:53 am
having trouble to set up 2 monitors in a Digital (that's the brand) PC with Conductor VMS O.S. and SRM Bios.
Topic: Communications systems and equipment.
from the Communication department...
Modbus TCP communication via RS232 to TCP converter
Originally posted by bassambassam on 5 May, 2014 - 11:31 am
How can i configure a communication between WINCC V7.0 and a controller through a RS232 to TCP converter??
New Replies:
By automationtechie on 30 May, 2014 - 5:44 pm -
Hey Bassambassam, The better solution is to use a Gateway which will convert from Modbus RTU to...
There are options for you. The company ICP-DAS USA specializes in protocol converters and data...
Topic: Communications systems and equipment.
from the Forum department...
ModbusTCP Test Software
Originally posted by GBrown on 5 August, 2013 - 3:32 pm
Looking for ModbusTCP Master Test simulation software that will work on Windows 7 and Windows 2008 Server.
New Replies:
You can use Modbus Master software you can find at www.automationcorner.com. It is Visual Basic...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Connection FCS DCS Yokogawa
Originally posted by sathya on 3 July, 2013 - 7:03 am
FCS connection Centum CS 3000 Yokogawa
New Replies:
Please ensure tags are either global or transferred from one FCS to another with data link transfer....
Topic: PLCs and related questions.
from the Automation department...
Connection for Twido RS485 with XBT OT DB9
Posted by Genjua on 25 May, 2014 - 4:44 am
Connection/pinouts of the cable that connects a Twido RS485T which contain 3 Terminal with XBT OT COM2 DB9 which contain 9 Termnials?
Topic: Programming languages.
from the Forum department...
MODBUS Protocol Confusion
Posted by tester89 on 23 May, 2014 - 10:38 am
Would like some clarifications on Modbus variations.
Topic: Communications systems and equipment.
from the Testing department...
JAGXTREME and Yokogawa power meter
Posted by Mario Soto on 22 May, 2014 - 8:22 pm
I want to get a torque value output from a Jagxtreme terminal so I can use it as torque input (BNC connection) for a Yokogawa power meter (motor version)
Topic: Continuous process industries, DCS questions.
from the Forum department...
Deltav Network
Originally posted by mahdi on 17 May, 2014 - 11:42 pm
Link two different version of DeltaV
New Replies:
I am also interested to communicated Deltav version 9.0 & 11.3 Together on same network. ...
Topic: Communications systems and equipment.
from the XML Comms department...
Web XML into DCS/PLC
Originally posted by J.Atkinson on 16 May, 2014 - 9:09 am
Require a solution for communicating XML data from the web into a DCS / PLC system.
New Replies:
What sort of DCS do you have? Are the operator stations Windows based? if so, just open a web page...
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