Selecting A Pressure Switch for Hazardous Environments
Need some help selecting the right pressure switch in an environment with H2S present.
Pump Running Indication on Control Circuit
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
By PLC programmer on 10 October, 2014 - 9:21 pm
This can be achieved in multiple ways. I guess you are already reading the Ampere load to the...
New 32/64 bit S7 communication library
100% Ethernet - Open Source -
By pvbrowser on 10 October, 2014 - 4:45 am
Nice e to have a new Open Source LGPL library for Siemens PLC communication. I downloaded your...
By Vanderley Maia on 5 July, 2014 - 7:56 pm
Very nice work! I try to use this library and your samples (rich-demos) but something doesn't...
Need some help on using Python to test Ethernet/IP implementation.
By Mark on 24 July, 2014 - 8:51 pm
Hello, At: http://www.hmisys.com/downloads/msExcel.zip is an Excel file that shows a...
By Lynn August Linse on 24 July, 2014 - 2:03 pm
Sure, send an email direct to lynnl at digi.com. I've actually been asked quite a bit lately. I am...
By Lynn August Linse on 26 November, 2013 - 11:30 am
I have Python which talks to EIP for testing purposes, but it is not public. I work for digi.com,...
Main Lube Oil Bearing Header Pressure Low on GE F9
Lately we discovered that in one of our frame 9 GT, the bearing header pressure gives different value for the different pumps
Open Source PLC Programming Software
I wanted to know what are the best open source PLC Programming software to use
Free HMI/Process control software
Introduction of free, platform independent and open source HMI/automation software
Help with Anti-swing Sliding Mode Controller for Gantry Crane
By Peter Nachtwey on 3 September, 2014 - 4:14 pm
> I'm an Electrical Engineering student undertaking an Advanced Control subject. > I need to...
I am searching a PID controller example in Java with source code.
SCADA and HV/LV distribution substation automation
How to automate HV/LV distribution substations using SCADA.
Modbus support for Powerlogic Circuit Monitor Series 2000
Posted by Mehul Shah on 16 May, 2012 - 1:43 am
Need to find out if PowerLogic Circuit Monitor Series 2000 supports Modbus or not. Also, if they do, need to find out the modbus register maps for these meters.
By ercan erdas on 7 August, 2014 - 8:51 am
Dear Andreas, Could you please send your e-mail? So i can send attachments and other related...
By Andreas Sauerwein on 7 August, 2014 - 1:19 am
Hi Ercan ERDAS, We try to Implement such a application, and Schneider is not able to give us...
By Ercan ERDAS on 6 June, 2014 - 3:07 pm
We have similar application and if you write down your email i can send application architecture...
By Kevin on 6 June, 2014 - 8:49 am
Karl, You said that you are using the EGX100 in your plant and are able to access all the...
By Kevin on 6 June, 2014 - 7:50 am
Hello, I have a similar job to what you described above. How did you end up solving your problem...
Socomec DIRIS A40 Modbus RS485 Problem
Socomec DIRIS A40 RS485 ModBus communications problem
ROCLINK800 Floboss 107 MODBUS Slave configuration
I am trying to configure the Floboss 107 as a MODBUS Slave with specified register I/O parameters as specific MODBUS addresses.
By Harvard on 21 May, 2014 - 4:35 pm
The parameters you are requesting are IEEE Single Precision Floats which come out in one of four...
By kardel on 16 May, 2014 - 3:26 am
I got the same problem with flobos 103 and micrologix 1400. I have been able to read the modbus...
What are the advantages and drawbacks of using LQR (Linear Quadratic Regulator) design method? Does it always work?
By manoj on 20 May, 2014 - 1:29 am
please use Bryson rule.. that is best rule. by using this rule you can reach to some point and then...
Poll about Open Source DCS/SCADA system.
Posted by Robert Perez on 3 May, 2013 - 9:31 pm
Poll about if the industry is ready to start adopting open source DCS/SCADA systems.
Modbus Safe / ModSafe - Is it Modbus for safety related systems?
Interface to GE ModBus Concentrator
Trying to interface GE concentrator to Honeywell EBI
Prevent coking fuel oil nozzle
Found nozzles some particles like coking material in the fuel oil nozzle dip and caused exhaust temperature spread issue.
By Shabir on 12 February, 2014 - 1:14 pm
Hi Normally this will be happen in Dual fuel machine cocking is major problem So for further...
Prosoft PLX31 Gateway AB EIP to MBTCP
Posted by Tim from Kansas on 11 February, 2014 - 8:26 pm
Multiple IP addresses on Prosoft Gateway PLx31-EIP-MBTCP, can this be done?
Free/Open Source PID Auto-tuning Software
Looking for free auto-tuning software.
By Rowly on 14 October, 2013 - 6:47 am
Try https://github.com/RowlyM/Multiobjective-design Email me if you have any question about the...
Arduino as a dc motor controler
Limits of Arduino as a servo controler
Looking for alternative OPC Server for Yokogawa Centum VP DCS
TDC200 to Linux machine communication
Posted by Bill Schwarz on 8 January, 2014 - 3:28 pm
How to transfer process data from Honeywell TDC2000 AMC to a Linux machine?
By pvbrowser on 9 January, 2014 - 3:44 am
If the is no software that can directly speak to Honeywell you may use PROFIBUS DP. On Linux we...
Generic HART Manufacturer ID?
Posted by Adrian Lodge on 8 January, 2014 - 5:09 am
Is there a generic HART manufacture ID that anyone can use without membership to the HART Foundation?
GE Gas turbine failed to fire at startup
New release of 32/64 bit S7 Ethernet Communication Library
We need to make a serial link between two systems. What data do I need in order to decide if these two systems will communicate properly or not?
Looking for mifare ultra lite RFID reader that does Modbus.
By Mikael Arhelger on 7 November, 2013 - 1:53 am
We have a UHF reader that communicates in ASCII via RS485. I need to evaluate the tag and then send...
By TK on 21 October, 2013 - 4:04 am
Hi, When you communicate with Saia PCD controller, the protocol doesn't necessarily have to be...
Flexmodbus HMI compatibility Project link https://sourceforge.net/projects/flexmodbus/
By Davide Rosa on 28 October, 2013 - 10:10 am
What kind of problem you had? Can you better explain the problem? Excuse me for the late...
MODBUS EXCEPTION RESPONSE
MODBUS is giving "Modbus exception response from slave device" using RS485 to RS232 converter.
Loadables for adding XMIT Block for Modicon Concept 2.6 SR3
I need loadables for adding XMIT Block for Modicon Concept 2.6 SR3
Gas Turbine FRAME9FA IBH Opening at Full Load
Gas Turbine FRAME9FA IBH is Opening at Full Load
Mark-V voter mismatch Alarms are persisting 12sec.
Cummins Power Command external power control
Problem with Cummins Power Command control