Control.com topic...
Communications
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...
Hi! Yes, I have read the ModBus docs. But the layout of registers, coils, inputs has so much...
There are four types of Modbus memory - Coils, Discrete Inputs, Holding Registers, and Input...
Posted by Francesco Savino on 1 July, 2009 - 10:03 am
Which is the correct bits stop number with none parity?
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: 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:
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 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:
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...
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:
How critical are the shutdown signals? What will happen if you loose communications? Have you...
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...
MatrikonOPC offers a direct highspeed, reliable connection via ArcNet to MarkV turbine controllers....
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
Topic: PLCs and related questions.
from the Failure to respond department...
PLC and Drive communication
Originally posted by Ramstone on 27 June, 2009 - 11:56 am
The HMI does record or register any numerical inputs. What can be the cause.
New Replies:
Please check your part number for the PLC. The part number that you have provided appears to be a...
Topic: Communications systems and equipment.
from the Automation and Industrial Solutions. department...
Simatic NET with Schneider Quantum PLC
Posted by Túlio Araújo on 29 June, 2009 - 2:35 pm
Trouble configuring Simatic NET OPC with a Schneider Quantum PLC as Master
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:
What is are you finding confusing about the addressing? i have not configured the Enterprise driver...
Topic: Communications systems and equipment.
from the Forum department...
Borland C code for the Modbus RS232/485
Originally posted by Mohsen on 29 June, 2009 - 6:42 am
Borland C code for the Modbus RTU RS 232/485
New Replies:
Take this http://pvbrowser.de/pvbrowser/sf/manual/rllib/html/classrlModbus.html Download from: ...
Topic: Continuous process industries, DCS questions.
from the LED display board department...
LED display board
Originally posted by Govind on 26 June, 2009 - 2:10 pm
Temperature Display variation
New Replies:
By Mahesh Prasath on 29 June, 2009 - 6:00 am -
Hi, You have not mentioned the controller your are using. i suspect stack overlay problem....
Topic: Communications systems and equipment.
from the electronics & software department...
MODBUS communication with AT89c52 and Modbus Master
Originally posted by muthukrishnan on 7 June, 2009 - 12:30 pm
assembly level codes or C codes for the MODBUS communication with AT89c52 and Modbus Master.
New Replies:
By Mahesh Prasath on 29 June, 2009 - 5:44 am -
Hi, Please try the source code from the below link ...
Originally posted by Martin on 20 April, 2009 - 2:56 am
reading a weight from a Mettler Toledo Scale via RS232
New Replies:
By Lee Munyaradzi on 29 June, 2009 - 2:03 am -
Hi, > I understand that you want to capture Mettler Toledo RS232 port weight data in a...
Topic: Human-Machine Interface and SCADA.
from the Forum department...
Downloading to PanelView
Posted by indra on 28 June, 2009 - 6:36 am
downloading program to panelview while PLC is running controlling a process
Topic: PLCs and related questions.
from the Modbus Plus Networks department...
Modbus Plus Communications
Originally posted by Caleb_E on 22 November, 2008 - 8:57 pm
Planning to install a New Quantum 140 CPU 534 14A in a Modbus Plus Network of older slower processors. Will they communicate together successfully?
New Replies:
Modbus plus is a token passing network protocol which operates at 1MB/s which means even low end...
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:
Have you ever consider EPLCG or SI (serial interface) you can communicate to Triconex via Modbus...
Topic: Communications systems and equipment.
from the Automation List department...
Baud rate converter
Originally posted by sokkmees on 29 March, 2007 - 12:27 am
Baud rate converter suggestion needed
New Replies:
By Rigoberto Casillas on 26 June, 2009 - 2:14 pm -
Buy an RS232 Rate Converter - only AU $95.00 (approximately US$76.73 or ¤54.54) at...
Topic: Communications systems and equipment.
from the Forum department...
FCB Communication Error
Posted by ricky on 26 June, 2009 - 3:39 am
Function Chart Builder communication failness
Topic: Communications systems and equipment.
from the serious department...
serial port in visual c++
Originally posted by saeed vahabi on 14 December, 2005 - 9:51 pm
I want to read and write data from rs-232 in visual c++
New Replies:
Hello, i tried ur code but using WINAPI. when i execute the application, i am getting read file...
Topic: Continuous process industries, DCS questions.
from the Electrical Dept department...
FLOW MONITORING
Originally posted by Shreejith.P on 26 May, 2009 - 1:34 am
Flow Meter with totalizer and pulse output per litter / gallon
New Replies:
Shree, The best solutions are:- 1. Integral Orifice with DP (hope the fluid is not high...
Originally posted by shal on 18 June, 2009 - 7:30 am
communicate siemens Teleperm AS220 with siemens WinCC
New Replies:
Hello, we are a Company with the focus of Teleperm-M/ME migartions. We could provide you with a...
Topic: PLCs and related questions.
from the network department...
Profibus problem
Originally posted by morteza on 28 May, 2009 - 12:52 am
I have 2 cpus of siemens 314c-2dp but I program the second one from ports of first one . what is the procedure to do that?
New Replies:
I have 2 cpus of siemens 314c-2dp but I want program the second one from ports of first one. what...
Topic: Communications systems and equipment.
from the Automation department...
Communication problem with MODBUS RTU
Originally posted by sonu on 23 June, 2009 - 6:22 am
XBTGT2110 and a TWDLCAA24DRF CPU that does not want to communicate
New Replies:
The two most common causes for this are the use of a incorrect cable or the serial port...
What are sure your Modbus settings on the Twido match the settings of the HMI? Baudrate,...
Topic: Sensor technologies.
from the Forum department...
Wireless Pressure Transducer
Originally posted by Brett on 9 June, 2009 - 10:58 am
Wireless Pressure Transducer
New Replies:
Hi, Emerson has the wireless PT that can communicate to a PC. The wireless PT is battered...
Topic: PLCs and related questions.
from the Forum department...
RS-485 to Bluetooth
Originally posted by Jorge Vélez on 6 June, 2009 - 1:52 pm
RS-485 Mitsubishi FX2N to Bluetooth Phoenix Contact
New Replies:
Hello, The parallel link method only show Transmission speed 19200 bps. This is right, the speed...
Topic: Communications systems and equipment.
from the Forum department...
Connecting to TSX Premium with Unity Pro
Originally posted by Cambion on 20 June, 2009 - 3:18 am
Problems communicating with modicon premium plc and unity pro
New Replies:
You must setup your unitelway driver not modbus. 1. plug in your cable in usb. 2. see what...
Topic: Communications systems and equipment.
from the Forum department...
DNP3
Posted by aryawan on 22 June, 2009 - 4:26 am
DNP3 communication over Radio
Topic: Engineering and workplace issues.
from the Offshore Oil & Gas Safety department...
Offshore Gas detectors' voting
Posted by Ashok Kumar Hait on 22 June, 2009 - 2:16 am
Offshore hydrocarbon gas detectors' voting criteria

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