Best practice of using on CA in OPC UA?
Mark VI Trip Log Question
I have a Mark VI turbine controls system with the windows seven update, and the trip logs quit running.
New to modbus World and i need help regarding function 3, 4, 16
Experion Modbus TCP/IP Scaling
Looking for a way to scale Modbus holding/input registers using the PCDI numeric array blocks.
Modbus TCP/IP Experion C300
Posted by Jorge Sánchez on 19 July, 2018 - 7:25 pm
Is it possible to have a Modbus configuration through a port other than 502 in Experion PKS Honeywell?
GE Control ST Software Version
Using new control ST application program in older version
Profinet or Modbus communication with Wonderware without using PLC
I have to connect Sentron PAC and IO-link from IFM to a computer with Wonderware without using PLC. And I don't know where
Function Read File Record (function code - 0x14) in Modbus Protocol Specification.
Posted by Evgeny Neruchek. Software Engineer on 18 July, 2018 - 7:16 am
Implementing a Modbus Master server using Modbus Protocol Specification and have some questions about function Read File Record (function code - 0x14).
The generator owners have decided to upgrade our control systems and also go from one to two systems. Suggestions for a total plant solution?
By mhwest on 3 July, 2018 - 7:42 am
Even with EPIC you will have recurring issues with locked up logic. For some reason GE seems to...
on 2 July, 2018 - 3:07 pm
Congratulations on your decision! I would like to add that unless you have EPIC software you can...
on 4 June, 2018 - 6:07 pm
qhogan1 Good comments from CSA. I would also add on a few more things. Note: I am big advocate...
Virtualizing a Centum VP HIS Station?
Exploring possibility of virtualizing a Centum VP HIS station in Vmware.
Solenoid Valves and Ovation
After bypassing a motor operated valve to control a solenoid valve. Now I cannot control the solenoid!
Can not get ABB REL 511 configuration
Communicating with STN Atlas Geamar 120ISL/Lyngsoe Marine
Looking for a way to communicate with Geamar 120ISL from STN Atlas. Built 1999.
Slurry Density Measurement in Ash Wastewater
Posted by M B Ravikumar on 30 June, 2018 - 12:02 am
Looking for a device to measure ash density in wastewater
Virus Infection via serial Modbus
Posted by Rob Burghard on 2 June, 2018 - 4:35 am
Is it possible for an infected powermeter being the Modbus slave to infect its master via a serial connection?
By W.L. Mostia on 22 June, 2018 - 3:44 pm
I think that it would be fair to say that a Modbus master it is unlikely get a virus from a serial...
By Rob Burghard on 10 June, 2018 - 1:19 pm
Thank you! The question is a very fundamental but real one: Can an infected Modbus slave infect...
By Fred Loveless on 6 June, 2018 - 10:57 am
It is possible but highly improbably that a virus could be passed up to the PC from the slave. The...
By Luca Gallina on 5 June, 2018 - 7:11 pm
trying to shed some light: 1. a Modbus Master polls for DATA. 2. the Modbus Slave (regardless...
By Rob Burghard on 2 June, 2018 - 5:33 pm
Thank you. Can we conclude then in general that it is impossible for a Modbus master to get a virus...
By Rob Burghard on 2 June, 2018 - 12:26 pm
Thank you. Perhaps my question wasn't clear. Let's say this powermeter has an infected OS. Can the...
Mark VI - VPRO Board Replacement
One of the three VPRO boards at our site found powered off earlier today. Need to know how I can address this while the turbine is online.
Retrofitting/upgrading MARK IV control system with Siemens to gain MARK VIe benefits
Honeywell Experion PKS Training
Looking for remote Honeywell Experion PKS training
TwinCAT 3 Error When Switched to Run Mode.
TwinCAT 3 error when switched to Run Mode.
By AdHe on 12 June, 2018 - 3:41 am
My Situation is exactly the same! (Just the error Code is 0x1016, but the message is exactly the...
GE Frame 9e 48CR_ALM Alarm
Can any one give advice about L48CR_Alm?
on 7 June, 2018 - 2:54 pm
SECOND12345, NEWSFLASH: Every GE-design Frame 9E heavy duty gas turbine-generator is not like...
R Controller Failed to Come Online After GT Shutdown
After shutdown R controller failed to come online although S and T did come online
on 6 June, 2018 - 5:33 pm
Chemsouhd, Thank you for the information. I, too, believe that an orderly shutdown and power-up...
Schneider Modicon M221 Coil Address
Problem writing to a single coil on a Schneider PLC using Libmodbus library
By Andrew on 5 June, 2018 - 7:20 am
Actually, M221 returns error ILLEGAL FUNCTION (code 1). That means PLC doesn't support function...
Can Intouch HMI Read Data from Web Server
Does anyone know if Wonderware Intouch can be used to read data from a device with a Web Server?
Power Generation Simulation Software
ETAP vs. DigSILENT software post-fault voltage recovery simulations
Searching a Program or script to read a meter connected to MGate MB3170.
By GAK on 4 June, 2018 - 7:36 am
Hello, ake a look at one of my favorite software packages, the Cogent Datahub. it can read/write...
Make New Function Block in ABB Procontrol P 13-P14
Posted by amin.nzh on 3 June, 2018 - 9:43 am
How I can make new function block in Procontrol P13 ABB DCS system? Is it possible?