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Control.com topic...
Networking
Topic: Communications systems and equipment.
from the Forum department...
Gateway for custom function codes.
Posted by Joshua Smith on 12 December, 2012 - 8:37 pm
Looking for recommendations of off the shelf RTU to TCP converters that will pass a non-standard Modbus function code.
Topic: Local and wide area networking in factory automation.
from the Serious stuff department...
Find MAC address of a NIC on DOS
Originally posted by Kats on 19 March, 2001 - 9:34 pm
I need to find out the MAC address of NIC cards on DOS machine.
New Replies:
> ARP -A is fine, but am still looking for a way to get the mac >...
> I use the ping command and the arp table > i.e. > ping xxx.xxx.xxx.xxx > arp -a ...
Posted by Mr.T on 10 December, 2012 - 12:50 pm
Changing Polling intervals in ROC or Autosol...
Topic: Communications systems and equipment.
from the INSTRUMENTAION department...
HART Communicator does not connect with transmitter
Originally posted by sonny on 10 June, 2012 - 10:34 am
When using HART COMMUNICATOR to interrogate the transmitter while carrying out PM or CM, HART COMMUNICATOR displays "NO COMMUNICATION".
New Replies:
HART needs a minimum of 230 ohms in the loop. An analog input (AI) supplies some resistance, but...
I have a Rosemount pressure transmitter (using for level) that is connected to a Allen Bradley...
Topic: Communications systems and equipment.
from the Forum department...
modbus implementation using vhdl
Originally posted by Monali Sinare on 14 May, 2010 - 1:44 am
Can modbus be efficiently developed using vhdl
New Replies:
> is it possible to use FPGA as master for Modbus protocol? The short answer is Yes - It is...
hello, is it possible to use FPGA as master for Modbus protocol? if you have done it can you plz...
Topic: PLCs and related questions.
from the peer to peer department...
MBTCP Communications
Posted by me on 7 December, 2012 - 2:58 am
controlling a control loop over comms
Topic: Communications systems and equipment.
from the Forum department...
Modbus over the air
Originally posted by jaime on 24 October, 2011 - 6:53 pm
cheapest wireless solutions for a modbus network
New Replies:
You can use www.wiicom.it >I want to develop the following project: > I have several...
Topic: Communications systems and equipment.
from the controls department...
MODBUS communication to DCS error
Originally posted by Hmimi on 5 May, 2010 - 12:41 pm
No communication with DCS I got: ethernet bind socket error 10048
New Replies:
By attali abdelkrim on 6 December, 2012 - 3:11 pm -
I have the same problem in my HMI. did solve this problem. if yes can ypu please help me. thanks...
Topic: PLCs and related questions.
from the inst department...
Connecting SELEC PLC to Intouch Scada
Originally posted by rahul on 3 December, 2012 - 6:30 am
How to network a SELEC PLC to Intouch Scada
New Replies:
please explain in detail. SELEC has any communication driver to communicate with intouch scada. how...
Hello, The data in the PDF for the device indicates it supports MODBUS RTU. Good luck, ...
Topic: Communications systems and equipment.
from the Forum department...
Watlow F4 Profile Status
Posted by jdkiesel on 3 December, 2012 - 3:25 pm
Using Labview via Modbus to control Watlow F4 temperature controller
Topic: PLCs and related questions.
from the control system department...
Connecting ABB-ACS850 VFD using Modbus
Originally posted by Gowri on 1 December, 2012 - 6:34 am
Can the 'X7' port (Port for connecting control panel or PC) in ABB-ACS850 VFD be used for interfacing with PLC through 'MODBUS TCP/IP' protocol...?
New Replies:
Thanks Steve..., I've doubted this, based on the RJ45 connector provided in the VFD. But, the...
> Can the 'X7' port (Port for connecting control panel or PC) in ABB-ACS850 VFD > be used...
Originally posted by hemal on 28 November, 2012 - 6:59 am
Using MODBUS on RS 232 to connect a weigh scale to a PC
New Replies:
Hello, You can use MMNET01 from www.propox.com. It is low-cost and easy to program the Modbus...
We manufacture the main electronics in house. Yes, there are a number of external hardware...
We have a Modbus Gateway that you can use. TGW-712- ...
Hi, Hemal, Can you please elaborate in more detail? so that I can help you. You are the...
Thanks for the quick replies. My apologies for not being fully clear We make the scales. ...
By Lynn August Linse on 28 November, 2012 - 10:05 am -
Do you MAKE the scale, or are you just using some made by someone else? The cheapest Modbus/TCP...
The hardware devices will work fine, and if you take into account the integration cost, are...
Topic: Local and wide area networking in factory automation.
from the Profibus Dilema department...
ComSoft DF Profi ISA Card
Posted by Matt Anderson on 29 November, 2012 - 8:42 am
ComSoft DF Profi ISA Card Needed
Topic: Communications systems and equipment.
from the Forum department...
Exception Code 0x06 unused?
Posted by Julian on 26 November, 2012 - 10:10 am
Not any function code supports exception code 0x06 "slave device busy"?
Topic: Communications systems and equipment.
from the System interfacing department...
Honeywell C200 to DeltaV interfacing
Posted by lalas1981 on 24 November, 2012 - 8:45 pm
Honeywell c200 interfacing with Deltav using modbus tcp/ip or any other method other than OPC.
Topic: Communications systems and equipment.
from the Kontrol department...
Serial Communication: Analog or Digital?
Originally posted by Jullien on 23 November, 2012 - 4:43 am
I recently came across two terms Analog Serial Communication and Digital Serial Communication. Such thing exists?

New Replies:
By Lynn August Linse on 23 November, 2012 - 1:28 pm -
technically, it is all analog (RS-232 uses voltage levels). I suppose someone might have been...
Hello, MODBUS is s protocol. Normally, analog serial refers to current loops. ...
Originally posted by Jonathan Manton on 21 November, 2012 - 2:05 pm
Can someone point me in the direction of a commercial product that will interface a sensor with an absolute encoder output to a motion controller that expects an incremental encoder input?
New Replies:
The built-in encoders do not have the resolution or repeatability required for this application. ...
Most laser interferometers have - except absolute position output - such output option as standard...
BEI makes an EnDat encoder that puts out both absolute and quadrature. To convert from absolute...
Topic: Local and wide area networking in factory automation.
from the Modbus TCP Protocol department...
Modbus TCP Protocol
Originally posted by Harrison on 13 November, 2012 - 9:41 pm
How many MODBUS TCP can connect device
New Replies:
Hello, I have discussed about your project to my Superior Mr. Rakesh Verma. He told me that,...
By Lynn August Linse on 15 November, 2012 - 11:49 am -
Just a quick adder on wide-area latencies. You did not say if all 2500 devices are one a single...
Hello, I agree with Lynn August Linse. You can use traditional SAP/ERP data-logger kind of...
By Lynn August Linse on 14 November, 2012 - 10:02 am -
> Customer should receive data through MODBUS TCP in real time. > Server PC should receive...
Originally posted by Ziv on 22 November, 2012 - 10:13 am
Problems establishing communication between AB micrologix 1400 and RSlogix 500 to SMC EX260 or EX600 with Ethernet\IP module.
New Replies:
Hi there, I was just reading a thread on PLCtalk and thought you might want to read it.... As...
Topic: Local and wide area networking in factory automation.
from the Networking department...
Media Converters
Posted by Kashif on 21 November, 2012 - 12:07 pm
Difference between full duplex and half duplex in Ethernet to Fiber Media Converters
Topic: PLCs and related questions.
from the Linux PLC department...
Linux and Mitsubishi PLC read/write
Posted by getut on 21 November, 2012 - 9:38 am
Need to read/write registers on various Mitsubishi PLCs for a linux web application.
Topic: Local and wide area networking in factory automation.
from the software department...
Reading Data from Modbus
Posted by Daniel on 21 November, 2012 - 6:44 am
trying to develop a software which is reading out data from several modbuses
Topic: Communications systems and equipment.
from the Forum department...
Modbus with ABB ANR96
Originally posted by Jukka Liukkonen on 4 June, 2012 - 3:50 am
Modbus connection with ABB ANR96 and ABB DMTME.
New Replies:
Hi, you are getting correct values... 1000h = 4096 dec so when you read value of 1000h its...
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:
> i have this problem to, on 2960, the port to the PLC i changing between green > and amber,...
i have this problem to, on 2960, the port to the PLC i changing between green and amber, disable...
Originally posted by electronic on 7 April, 2011 - 12:53 pm
communication with yokogawa DCS
New Replies:
Gents, Anybody has experience linking BN 3500 directly to Yokogawa DCS via Yokogawa asset...
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