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Control.com topic...
Communications
Topic: Communications systems and equipment.
from the Eng Dept department...
Modbus to Profibus communication
Posted by Chuy Esparza on 26 January, 2008 - 3:47 am
Modbus to Profibus
Topic: Communications systems and equipment.
from the Automation List department...
Modbus TCP Communication with PLC
Posted by Okan Benli on 26 January, 2008 - 3:07 am
May PLC/RTU be both Client and Server for Modbus TCP?
Topic: Communications systems and equipment.
from the Eng department...
Twido and ATV31
Posted by Teoh Soon Hock on 22 January, 2008 - 11:08 pm
Communication between Twido and ATV31
Topic: Communications systems and equipment.
from the Urgent department...
Implementing Modbus on TMS
Posted by Elsebi on 22 January, 2008 - 10:49 pm
Is Modbus SPEED efficient when implemented on TMS?
Topic: Communications systems and equipment.
from the Automation List department...
prosoft module question
Posted by haris chaudhary on 13 January, 2008 - 1:55 pm
Does the prosoft module supports modbus floating point data?
Topic: Communications systems and equipment.
from the aaaa department...
communication with modbus device
Posted by space on 12 January, 2008 - 6:32 pm
communication problem
Topic: Communications systems and equipment.
from the Automation List department...
MODBUS over GSM
Posted by sundar on 8 January, 2008 - 12:38 am
Request specifications on MODBUS over GSM
Topic: Communications systems and equipment.
from the Automation List department...
data link failure between DCS OVATION and SIEMENS PLC
Posted by Meshal on 6 January, 2008 - 4:57 pm
there is no communication between DCS and PLC
Originally posted by Van on 26 November, 2007 - 10:59 pm
I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
New Replies:
By Michael Griffin on 6 January, 2008 - 4:49 pm -
In reply to Juan Miguel Taboada Godoy: I was interested in your Modbus library, so I had a look at...
Topic: Communications systems and equipment.
from the Automation List department...
Modbus communication problems
Posted by Marth on 3 January, 2008 - 10:45 pm
Problems with Modbus communication
Topic: Communications systems and equipment.
from the Power services department...
Reading data from modbus slave to S7-300
Posted by Nawaz on 30 December, 2007 - 3:46 pm
Seeking help to read data from modbus slave to S7-300 313c-2DP with CP341 with Modbus-RTU loadable driver...
Topic: Communications systems and equipment.
from the Integration department...
GE SMOR-B Modbus Table (Register List)
Posted by Vensev on 27 December, 2007 - 11:06 am
GE SMOR-B Modbus Table (Register List)
Topic: Communications systems and equipment.
from the Automation List department...
Modbus device ID
Posted by btmull on 22 December, 2007 - 2:56 am
Should a single device use more than one Modbus device ID?
Topic: Communications systems and equipment.
from the Automation department...
Full duplex RS-485 communication using CP341
Posted by A. Yousef on 21 December, 2007 - 12:33 am
Full duplex RS-485 communication using CP341
Topic: Communications systems and equipment.
from the Automation List department...
Motorola Moscad/ACE to Modbus Slave
Posted by Peter on 19 December, 2007 - 11:28 pm
Moscad/ACE reads Holding Register Values from Slave device using MODBUS. What's the maximum number for 3xxxx?
Topic: Communications systems and equipment.
from the Automation List department...
GSM/MODBUS vs. PROFIBUS
Posted by silver on 19 December, 2007 - 10:44 pm
What are the advantages and disadvantages between GSM/MODBUS over PROFIBUS?
Topic: Communications systems and equipment.
from the Automation List department...
Citect to Twido Communication
Posted by Guillermo on 13 December, 2007 - 1:04 am
Can somebody connect Twido with Citect?
Topic: Communications systems and equipment.
from the Automation List department...
Modbus TCP function for PHP
Posted by Volzon on 11 December, 2007 - 10:59 pm
I'm making a logging function on a Linux system.
I need a PHP function to read from a PLC using Modbus TCP. Or another way of reading data from Modbus TCP an placing it in a MySQL database.
Topic: Communications systems and equipment.
from the Automation List department...
MODBUS connection, interruption in Data stream
Posted by Shiva on 8 December, 2007 - 12:49 pm
It's about an interruption in MODBUS data transfer.
Topic: Communications systems and equipment.
from the Automation List department...
AB PanelView communication over Modbus
Posted by Muahammad Asim Khan on 8 December, 2007 - 2:01 am
AB PanelView communication over Modbus
Topic: Communications systems and equipment.
from the Automation List department...
PM9C Voltage Scaling
Posted by C2k on 6 December, 2007 - 10:02 pm
How to convert raw values to engineering units
Topic: Communications systems and equipment.
from the MAINTENANCE department...
Bad Communication on Modbus
Posted by DAMENE on 4 December, 2007 - 9:59 am
Help me to find the communication problem DCS MARK 5 over MODBUS
Topic: Communications systems and equipment.
from the modbus communication department...
PLCG-tdc3000
Posted by Arie on 4 December, 2007 - 9:53 am
The slave doesn't respond...
Topic: Communications systems and equipment.
from the Automation List department...
MEI Transport and Exception Response Oddity
Posted by Ivo Bauer on 4 December, 2007 - 12:20 am
How exactly does the standard format of the exception response for MEI Transport function look? Different versions of Modbus Application Protocol specification contradicts with each other on this...
Topic: Communications systems and equipment.
from the Sooty department...
Modbus Comms problem
Posted by Gavin Taylor on 4 December, 2007 - 12:08 am
Modbus problem on Siemens S7-300 Modbus Slave
Topic: Communications systems and equipment.
from the Automation List department...
SMS to DNP3/Modbus/OPC Data Converter
Posted by Glen Downie on 21 November, 2007 - 1:42 am
Converting data contained in SMS text messages to DNP3/Modbus or OPC Data types/protocols.
Topic: Communications systems and equipment.
from the Automation List department...
Twido Modbus EXCH function
Posted by Leonardo Magno on 20 November, 2007 - 8:06 pm
How to configure the function EXCH?
Topic: Communications systems and equipment.
from the Product Design department...
Suppliers of standard Modbus client software
Posted by S.Karthikeyan on 20 November, 2007 - 7:58 pm
We are looking for the suppliers of standard MODBUS client SW to integrate into our product.
Topic: Communications systems and equipment.
from the Automation List department...
Allen Bradley + MODBUS/RTU
Posted by Alejandro on 17 November, 2007 - 1:09 am
Does anyone know if there is any device or product to interface SLC 500 5/03 to a MODBUS/RTU network of other brands and devices?
Topic: Communications systems and equipment.
from the Twido department...
Interfacing Twido with Bristol Babcock RTU
Posted by James on 15 November, 2007 - 2:24 pm
Twido communications with PC
Topic: Communications systems and equipment.
from the Automation List department...
Jbus to Fieldserver communication
Posted by Shyam on 13 November, 2007 - 11:46 pm
How to communicate UPS with PC through Fieldserver
Topic: Communications systems and equipment.
from the Automation List department...
Magelis XBT N401 to 170 CCC 980 30
Posted by mustafa on 9 November, 2007 - 1:35 am
Magelis Error Message
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
Topic: Communications systems and equipment.
from the SCADA department...
Modbus reply message
Posted by Jason Phillips on 7 November, 2007 - 8:06 pm
When polling sites, modbus message response is [15].
Topic: Communications systems and equipment.
from the Automation List department...
Identifying Modbus Elements
Posted by Vicente on 6 November, 2007 - 8:20 pm
How to identifying elements in a Modbus net.
Topic: Communications systems and equipment.
from the Protocol department...
Modbus on Microchip PIC16F877
Posted by Elamaran on 2 November, 2007 - 8:36 pm
Regarding Modbus Mapping
Topic: Communications systems and equipment.
from the Automation List department...
Communications master - slave
Posted by Anonymous on 30 October, 2007 - 11:08 pm
Communication between a Wago PLC Modbus master and slave devices through RS485 serial interface module 750-653/003-000.
Topic: Communications systems and equipment.
from the Automation List department...
Modbus integrator
Posted by Shyam on 27 October, 2007 - 1:07 am
J-bus to Modbus communication
Topic: Communications systems and equipment.
from the Automation List department...
ModBus serial driver
Posted by Harshad on 25 October, 2007 - 10:53 pm
Looking for ModBus serial driver source code for WinCE.
Topic: Communications systems and equipment.
from the E&I department...
Yokogawa DCS
Posted by Naeem Tahir on 25 October, 2007 - 12:58 am
RS-485 communication
Topic: Communications systems and equipment.
from the Automation List department...
MBP STAT
Posted by bigbilly on 21 October, 2007 - 5:52 pm
MBPSTAT UTILITY
Topic: Communications systems and equipment.
from the SCADA Systems department...
Using CITECT to - R/W from SEPAM 40,80
Posted by Andi on 20 October, 2007 - 8:54 pm
CITECT - R/W Sepam40,80 with BM85 and EGX200/400
Topic: Communications systems and equipment.
from the Automation List department...
J-Bus Vs Modbus
Posted by Shyam on 20 October, 2007 - 7:30 pm
Modbus RTU protocol Vs J-bus protocol.
Topic: Communications systems and equipment.
from the Modbus, Serial Comm department...
RS 485 Comm Problem
Posted by Ibrahim Colmenares on 9 October, 2007 - 11:27 am
The Modbus communication has a very strange problem I have never seen; the replies to the requests comes from the wrong slave!!!
Topic: Communications systems and equipment.
from the Automation List department...
Newbie question: Modbus TCP/Serial/ASCII/RTU
Posted by nil_dib on 6 October, 2007 - 12:27 am
A bit confused about the protocol layers.
Topic: Communications systems and equipment.
from the Automation List department...
S7 to Quantum - Modbus communications
Posted by A Dobson-Holt on 6 October, 2007 - 12:03 am
I am trying to set up a Read/Write communications from S7 PLC to a Quantum using the S7 Modbus TCP Driver from Siemens. I am having difficulty getting any communication between the two...
Posted by Alberto on 4 October, 2007 - 9:51 pm
Modbus assembler source code or library.
Topic: Communications systems and equipment.
from the Automation List department...
Question about using TDR
Posted by Frankis on 2 October, 2007 - 11:21 pm
Apply TDR on Modbus+ network.
Topic: Communications systems and equipment.
from the How the hell to start...? department...
Talking to a 3216 Eurotherm controller (Borland C++ Dev Studio)
Posted by Yotsmach Yehusiahu on 28 September, 2007 - 12:40 am
Communication with a Eurotherm 3216 control box via Modbus (RS232) on a Borland Developer Studio platform (Win XP).
Topic: Communications systems and equipment.
from the Remote IO department...
DNP3i Remote IO Modules
Posted by Mark Mullins on 27 September, 2007 - 12:17 am
Require DNP3i (Ethernet) Remote IO modules
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