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Control.com topic...
Networking
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: 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:
Hello, MODBUS is s protocol. Normally, analog serial refers to current loops. ...
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...
Topic: PLCs and related questions.
from the DP Problem department...
Siemens S7CPU can't see slave DP on Profibus
Originally posted by Mike on 11 November, 2012 - 3:45 am
Problem with S7CPU seeing slave DP on Profibus
New Replies:
Hello Mike; One thing that could easily cause this type of problem: did someone do a download to...
Topic: Communications systems and equipment.
from the Forum department...
MODBUS Craziness
Posted by Wes on 13 November, 2012 - 10:40 am
Need to change ports for troubleshooting purposes.
Topic: Communications systems and equipment.
from the Electrical department...
RS View32 Data Logging
Originally posted by Shree on 16 October, 2012 - 3:41 am
Looking for advice on RS View32 data logging
New Replies:
Hi Nathan / Bob Thanks for the reply. I still not started using RsView32. At present we have...
As suggested by other members, it is a good idea to create as many topics as there are PLCs (in...
Shree, I don't believe that there is a maximum number of topics (PLC connections) in RSLinx. In...
Hi All, Can any guide me on this please... Regards, Shree >I would like to get some...
Topic: Communications systems and equipment.
from the Forum department...
Modbus Master to Master
Originally posted by Santi on 11 February, 2010 - 2:05 pm
Modbus communication between masters (point to point)
New Replies:
Similar question plz, If I have field devices that are configured as Modbus slaves and I have a PLC...
Topic: Local and wide area networking in factory automation.
from the Signalling department...
Modbus - Plc - opc Connection
Originally posted by Savronik on 7 November, 2012 - 2:51 am
Modbus - Plc - opc Connection
New Replies:
If you do choose to go the OPC route - check out the free Ignition OPC-UA server. It includes...
Hi there, There can only be one Master, normally, on a Modbus RTU network. On a Modbus TCP...
Hi, Most people today are going the other way of using OPC solution instead of creating a...
Topic: Communications systems and equipment.
from the Forum department...
Modbus via GPRS and Local RS485 Bus
Originally posted by Falko Jahn on 12 September, 2012 - 12:23 pm
Modbus communication via GPRS to a PC as Master
New Replies:
Hi, And if you want to get the customized software we can design as SCADA that communicates over...
Topic: Communications systems and equipment.
from the TGS department...
E&H Tank scanner
Posted by Abdolazim Hasseli on 6 November, 2012 - 6:07 am
Any replaceable parts in NXA820 for V1/Modbus input?
Posted by Javad babaee on 1 November, 2012 - 11:43 am
2 question regarding getting information from master using C++ and reading analog registers at the same time (I'm using AVR)
Topic: Computers in manufacturing; also hardware discussion.
from the Controls department...
Modbus Multidrop
Originally posted by RavinderK on 29 October, 2012 - 2:40 am
Modbus multidrop communication
New Replies:
By Lynn August Linse on 31 October, 2012 - 10:06 am -
Normally you create a simple state-machine. The slave notices an idle gap on the serial line. ...
I do not understand. Each slave is only allowed to answer to a request with slave_adr == the...
Topic: PLCs and related questions.
from the Need HELP! department...
RSLogix 5000 to PLC5 DF1 end-device
Originally posted by Nate on 13 May, 2011 - 5:05 pm
Trying to connect ControlLogix PLC to Schlagel distributor using DF1 link. Schlagel end device uses older PLC5 style DF1 communications.
New Replies:
That works from the ControlLogix side, but what if you're trying to create a MSG instruction in the...
Topic: Engineering and workplace issues.
from the Automation List department...
Pelco D/P Protocol
Originally posted by Max on 12 December, 2004 - 11:31 pm
I need to know the Pelco D/P Protocol.
New Replies:
I'm not 100% on how to answer your question directly, but I have pelco equipment and I recently...
Topic: Communications systems and equipment.
from the kv2c+ department...
modbus for ge kv2c+
Originally posted by RON on 8 February, 2009 - 11:04 pm
networking of almost 200 ge kv2c+ meters for modbus communication using RS485
New Replies:
Hello Lynn, I am interested in your proposed solution for retrieving data from a GE kv2c+ meter....
Topic: Communications systems and equipment.
from the Lahore department...
MODBUS RTU Rs485 to Modbus TCP
Posted by Khatana on 24 October, 2012 - 12:22 am
required parameters for data access with modbus rtuRTU to TCP
Topic: Software, including programming, OS issues, etc.
from the Electronic Equipment Testing department...
Modbus read/write (0x17) function
Originally posted by Avijit Paul on 23 October, 2012 - 4:05 am
Problem with Modbus read/write (0x17) function
New Replies:
By Lynn August Linse on 23 October, 2012 - 10:12 am -
First things first, most Modbus devices do NOT support read/write function 0x17. So can you...
Topic: Local and wide area networking in factory automation.
from the I&C department...
telperm xp profibus to modbus converter
Originally posted by Bowden on 20 October, 2012 - 3:13 pm
profibus to modbus converter for siemens teleperm control system
New Replies:
You might check out RedLionControls Datastation Plus. I have never used it but the specs indicate...
Hi, I just assume that you need a Profibus slave to Modbus RTU master gateway, such as:...
Topic: Communications systems and equipment.
from the Forum department...
GX Simulator serial communication
Posted by jb on 22 October, 2012 - 7:44 am
Serial communication between GX Simulator and scada (ifix)
Topic: Communications systems and equipment.
from the GPRS Communication department...
GDW-11 GPRS with ControlLogix PLCs
Originally posted by Naveed on 21 October, 2012 - 2:05 am
Need help on configuring GDW-11 modems for data sharing between two ControlLogix PLCs over GPRS.
New Replies:
@Andrzej The reason I wrote 120km was to inform that direct communication link would be highly...
Hi, First, if you use GPRS the distance have no limits (if your GSM provider have signal). ...
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