Select Page: Previous 42 43 44 45 46 47 48 49 50 51 52 Next
Control.com topic...
Communications
Topic: Communications systems and equipment.
from the CONTROL department...
ESD thru MODBUS??
Originally posted by PANDU on 8 February, 2012 - 1:17 am
Is ESD thru modbus is ok??
New Replies:
Speed, in fact, would ONLY be an issue if the actual deterministic speed to transfer the signal...
I am not sure the speed of Modbus is the only issue. How reliable is it and how hard is it to...
Topic: Communications systems and equipment.
from the Forum department...
communication error for omron cpu
Originally posted by k_g on 8 February, 2012 - 6:52 pm
How to know what type of fault (error ERR) is indicated by Omron plc
New Replies:
> Is it possible to delete this fatal error from cpu using cx programmer or to > know what...
Topic: Communications systems and equipment.
from the HMI department...
MKV HMI and DCS
Originally posted by cfann61 on 10 February, 2009 - 2:45 pm
Does the MKV HMI act as a slave to the DCS?
New Replies:
Ronald Anderson is now employed by Advanced Turbine Controls, www.advancedturbinecontrols.com If...
Topic: PLCs and related questions.
from the Forum department...
Libnodave & S7-200
Originally posted by dvh on 19 September, 2011 - 12:12 pm
Writing an HMI & event archiving system
New Replies:
Edit nodave.c and search for _daveConnectPLCTCP
 There you find the used TSAP
     uc...
Hi we use libnadave with S7-300 PLC and it works well. Could anybody advise the read/write...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
How to upload from TSX 2720
Originally posted by MereNonsense on 22 January, 2012 - 12:07 pm
A problem with uploading a program from TSX 2720.
New Replies:
I guess my problem is solved :( Is it true that we can upload the code only from TSX...
How can I know that cable is working? How to test the connection with TSX? What do I need to...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Twido master with 2 slaves
Originally posted by Marius on 2 February, 2012 - 2:56 am
I'm trying to establish communication between a Twido working as a master and two Modbus devices
New Replies:
> Communication errors are managed on twido by system words %SW63 and %SW64. > Catching the...
By Vittorio Giannini on 6 February, 2012 - 2:08 pm -
Communication errors are managed on twido by system words %SW63 and %SW64. Catching the error code...
now i have another problem: Check communications error. If a slave does not respond or is...
> I've solved the problem introducing sync variables acting like semaphores > (plus the...
Hi I've solved the problem introducing sync variables acting like semaphores (plus the %MSG2.D...
Originally posted by Ben on 6 February, 2012 - 7:05 pm
Differences between "MODBUS Over Serial Line" (legacy standard) and the current "Modbus Serial Line Protocol and Implementation Guide V1.02"
New Replies:
Thanks for the response. That was what I was feeling.. I take it that communication between a...
By Lynn August Linse on 7 February, 2012 - 9:57 am -
You won't find a solid answer because it depends on the 2 products you compare. Few people have...
Originally posted by Ranjeet Kumar Bhatia on 31 December, 2011 - 6:26 am
I want to connect C300 DCS to VB 6.0 to create web page where i can display my boiler temperature and pressure etc.
New Replies:
Hi C300 EPKS supports ODBC across firewall. Have a firewall in place, configure it to allow only...
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:
Link Free DNP3 Simulator Axon test in English, and the Simulator is in English,...
On the web http://www.axongroup.com.co/pages/dnp3 there is a free simulator DNP3 ...
Topic: Power generation equipment control.
from the Instrument and control department...
mark vi, VCMI dignostic alarm
Originally posted by uj on 4 February, 2012 - 2:48 am
VCMI card having diagnostic alarm - "GCV NOT FOLLOWING REF. TRIP"
New Replies:
Hi uj, >Then we check diagnostic alarm in VCMI card in m6b file. we found in T rack VCMI card...
Topic: Communications systems and equipment.
from the Forum department...
OPC Surrogate
Posted by Cris Ruiz on 3 February, 2012 - 6:09 pm
OPC Communication has a process called OPC Surrogate, what does it really mean?
Topic: Communications systems and equipment.
from the maintenance department...
DVC6030 - Fisher
Originally posted by moreno on 10 August, 2011 - 7:12 am
Communication trouble with DVC6030
New Replies:
Hello, Thank and sorry for later answer. Problem was solved the same day. There is an optional...
Topic: Communications systems and equipment.
from the Forum department...
M340 communication problem
Posted by Kenny on 3 February, 2012 - 5:10 am
M340 ethernet messaging problem, trying to communicate with 100 devices.
Topic: Software, including programming, OS issues, etc.
from the Forum department...
twido write modbus
Posted by manurung on 3 February, 2012 - 4:04 am
modbus twido
Topic: Software, including programming, OS issues, etc.
from the Forum department...
How to connect two Modbus RTU Master
Originally posted by jianjian on 18 January, 2012 - 10:24 am
How to connect two Modbus RTU Master for communication
New Replies:
Hello, I see there are several replies already! Let me add this: Comtrol Corporation makes a...
Thanks for all, Last time I think it is only a way using PLC that is the same Lynn August...
Originally posted by Miguel Hidalgo on 27 February, 2010 - 1:30 pm
I want to talk to a Zelio Logic Relay with the SR3-NET01BD Ethernet/Modbus/TCP/IP module. (Schneider Electrics)
New Replies:
hi could you please tell me how can i read data from zelio with modbus module by HMI. ...
Topic: Communications systems and equipment.
from the Salse Department department...
GPRS real time data transmission
Originally posted by Li Min on 14 March, 2007 - 11:58 pm
We would like share the experience for GPRS application.
New Replies:
Do you konw about AT command, general a modem with AT can realize make call, Fax, SMS, on/off etc...
Topic: Engineering and workplace issues.
from the Forum department...
Looking web based HMI that has Modbus
Originally posted by arocon on 5 August, 2010 - 5:05 pm
Looking for free web based HMI that has Modbus
New Replies:
CSWorks (http://www.controlsystemworks.com) is a web-based HMI that supports Modbus....
Topic: Human-Machine Interface and SCADA.
from the Communication department...
Monitor Pro FactoryLink DDE Communication
Originally posted by Shahab Ahmad on 29 January, 2012 - 3:23 am
Unable to start the FLDDESRV
New Replies:
Hi, Check your security settings on the OPC Server to make sure that you are able see the...
By Gustavo A. Valero P. on 31 January, 2012 - 9:40 am -
Hi, Although I have never seen the error message you indicate when you start DDE task, let me...
Hello, For the OPC connection you should use the FL OPC server not the DDE. The problems with...
Topic: Communications systems and equipment.
from the Forum department...
Twido SMS commands
Posted by Muhammad Asim Khan on 31 January, 2012 - 3:06 am
Twido SMS using TWD NAC 232D & PLC GSM Modem SR2MOD03
Topic: Communications systems and equipment.
from the c&I maintenence department...
Mark-v control system
Originally posted by hiten on 29 January, 2012 - 1:33 pm
how does denet work in mark-v?
New Replies:
Look in your MKV Maintenance and Application manuals, all the details are there...
Hi, To trace internal MKV connections you have to refer to GE drawings: 'Case wiring', provided...
Thanks for reply, But i wants to know deeply about denet that which cables are for DENET, and...
Hi Hiten, DENET is used for exchange the critical data between the processor to perform voting....
Topic: Communications systems and equipment.
from the Design & Developement department...
Ethernet/IP
Originally posted by Asma on 5 August, 2011 - 5:06 am
Difference Between Ethernet/IP and Modbus TCP
New Replies:
By Lynn August Linse on 30 January, 2012 - 11:31 am -
> I'm a control engineer doing some material handling work in the northeast. > I've recently...
I can't help you with Python, but what are you trying to do that you can't do in one of the...
Topic: Software, including programming, OS issues, etc.
from the Software interface department...
Johnson Controls DX-9100
Originally posted by gmhayden on 26 February, 2011 - 5:32 pm
Need computer interface to monitor DX-9100
New Replies:
>> Does anyone know of an open source computer interface that can be used to monitor a JCI...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Crc errors using jamod with Rxtx library
Originally posted by walgrind on 18 December, 2011 - 1:24 pm
crc errors using modbus application with Rxtx library
New Replies:
Both RxTx and Jamod, as downloaded from the Interwebs have issues. That said, Jamod can be made...
Topic: Communications systems and equipment.
from the ABB vs. MOXA department...
Modbus TCP - What is the correct usage of Unit ID?
Originally posted by Benny Cedervång on 26 January, 2012 - 6:54 am
I have a problem with Modbus TCP communication and how the Unit ID is supposed to be used.

New Replies:
> The unit id comes into play when several devices are connected to one IP > address, and...
The unit id comes into play when several devices are connected to one IP address, and this is not a...
Posted by John M on 27 January, 2012 - 4:30 pm
I would like to get 2 master modbus devices to talk to 17 PM710 Schneider energy meters.
Topic: Local and wide area networking in factory automation.
from the Engineering department...
Siemens and the Cisco 2960
Originally posted by Dan on 26 January, 2012 - 3:04 pm
PLC communicates with older Cisco 2950 but not the 2960.
New Replies:
Things to try: 1. Are there lights on both the switch and the device? Do they stay persistent? ...
Select Page: Previous 42 43 44 45 46 47 48 49 50 51 52 Next
 
 

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 © 1999-2014 Nerds in Control, LLC. All rights reserved.

Users of this site are benefiting from open source technologies, including PHP, MySQL and Apache. Be happy.


Fortune
Dear Lord:
I just want *___one* one-armed manager so I never have to hear "On
the other hand", again.
Advertise here
Advertisement
our advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive