from the Forum department...Trying to find absolute to incremental encoder converter
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?
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...
By Ed W on 21 November, 2012 - 8:57 pm -
BEI makes an EnDat encoder that puts out both absolute and quadrature. To convert from absolute...
from the Kontrol department...Serial Communication: Analog or Digital?
I recently came across two terms Analog Serial Communication and Digital Serial Communication. Such thing exists?
By Mark on 23 November, 2012 - 11:35 am -
Hello, MODBUS is s protocol. Normally, analog serial refers to current loops. ...
from the Modbus TCP Protocol department...Modbus TCP Protocol
How many MODBUS TCP can connect device
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...
from the Forum department...Micrologix 1400 with Ethernet\IP to control SMC EX260
Problems establishing communication between AB micrologix 1400 and RSlogix 500 to SMC EX260 or EX600 with Ethernet\IP module.
Hi there, I was just reading a thread on PLCtalk and thought you might want to read it.... As...
from the Networking department...Media Converters
Difference between full duplex and half duplex in Ethernet to Fiber Media Converters
from the Linux PLC department...Linux and Mitsubishi PLC read/write
Need to read/write registers on various Mitsubishi PLCs for a linux web application.
from the software department...Reading Data from Modbus
trying to develop a software which is reading out data from several modbuses
from the Forum department...Modbus with ABB ANR96
Modbus connection with ABB ANR96 and ABB DMTME.
By Mudi on 20 November, 2012 - 5:18 am -
Hi, you are getting correct values... 1000h = 4096 dec so when you read value of 1000h its...
from the Engineering department...Siemens and the Cisco 2960
PLC communicates with older Cisco 2950 but not the 2960.
> i have this problem to, on 2960, the port to the PLC i changing between green > and amber,...
By Mattias on 15 November, 2012 - 1:00 pm -
i have this problem to, on 2960, the port to the PLC i changing between green and amber, disable...
from the Forum department...RS485 vs Ethernet for Bently Nevada 3500 monitor to YOKOGAWA DCS
communication with yokogawa DCS
Gents, Anybody has experience linking BN 3500 directly to Yokogawa DCS via Yokogawa asset...
from the DP Problem department...Siemens S7CPU can't see slave DP on Profibus
Problem with S7CPU seeing slave DP on Profibus
Hello Mike; One thing that could easily cause this type of problem: did someone do a download to...
from the Forum department...MODBUS Craziness
Need to change ports for troubleshooting purposes.
from the Electrical department...RS View32 Data Logging
Looking for advice on RS View32 data logging
By Shree on 13 November, 2012 - 4:11 am -
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...
By Nathan Boeger on 12 November, 2012 - 4:31 am -
Shree, I don't believe that there is a maximum number of topics (PLC connections) in RSLinx. In...
By Shree on 9 November, 2012 - 3:19 am -
Hi All, Can any guide me on this please... Regards, Shree >I would like to get some...
from the Forum department...Modbus Master to Master
Modbus communication between masters (point to point)
By Barkouky on 11 November, 2012 - 10:32 am -
Similar question plz, If I have field devices that are configured as Modbus slaves and I have a PLC...
from the Signalling department...Modbus - Plc - opc Connection
Modbus - Plc - opc Connection
By Nathan Boeger on 11 November, 2012 - 8:41 am -
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...
from the Forum department...Modbus via GPRS and Local RS485 Bus
Modbus communication via GPRS to a PC as Master
By Love Diwan on 9 November, 2012 - 7:56 am -
Hi, And if you want to get the customized software we can design as SCADA that communicates over...
from the TGS department...E&H Tank scanner
Any replaceable parts in NXA820 for V1/Modbus input?
from the Forum department...Questions for implementing MODBUS using AVR
2 question regarding getting information from master using C++ and reading analog registers at the same time (I'm using AVR)
from the Controls department...Modbus Multidrop
Modbus multidrop communication
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. ...
By pvbrowser on 31 October, 2012 - 6:55 am -
I do not understand. Each slave is only allowed to answer to a request with slave_adr == the...
from the Need HELP! department...RSLogix 5000 to PLC5 DF1 end-device
Trying to connect ControlLogix PLC to Schlagel distributor using DF1 link. Schlagel end device uses older PLC5 style DF1 communications.
By Matt on 25 October, 2012 - 6:50 pm -
That works from the ControlLogix side, but what if you're trying to create a MSG instruction in the...
from the Automation List department...Pelco D/P Protocol
I need to know the Pelco D/P Protocol.
By aruegger on 25 October, 2012 - 12:00 pm -
I'm not 100% on how to answer your question directly, but I have pelco equipment and I recently...
from the kv2c+ department...modbus for ge kv2c+
networking of almost 200 ge kv2c+ meters for modbus communication using RS485
By Jake Pritchard on 24 October, 2012 - 4:50 pm -
Hello Lynn, I am interested in your proposed solution for retrieving data from a GE kv2c+ meter....
from the Lahore department...MODBUS RTU Rs485 to Modbus TCP
required parameters for data access with modbus rtuRTU to TCP
from the Electronic Equipment Testing department...Modbus read/write (0x17) function
Problem with Modbus read/write (0x17) function
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...
from the I&C department...telperm xp profibus to modbus converter
profibus to modbus converter for siemens teleperm control system
By Roy Matson on 22 October, 2012 - 5:22 pm -
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:...
from the Forum department...GX Simulator serial communication
Serial communication between GX Simulator and scada (ifix)
from the GPRS Communication department...GDW-11 GPRS with ControlLogix PLCs
Need help on configuring GDW-11 modems for data sharing between two ControlLogix PLCs over GPRS.
@Andrzej The reason I wrote 120km was to inform that direct communication link would be highly...
By Andrze on 21 October, 2012 - 3:48 pm -
Hi, First, if you use GPRS the distance have no limits (if your GSM provider have signal). ...
The mome rath isn't born that could outgrabe me.
-- Nicol Williamson