Are there any cheap or free RSLogix 500 alternatives?
Exhaust temperature increases during gas turbine acceleration
By engr on 15 November, 2018 - 8:16 pm
Disc cavity temperatures tell us about the status of turbine hot gas path components specially...
What is the output unit after calculation of gas fuel flow?
GE Mark V Terminal Boards and I/O Cards
GE Mark V Terminal Boards and I/O cards Identification
Modbus RS232 Communication
The communication between the PLC and HMI panel on Modbus RS232 is lost when I press a push button which is a digital input in PLC
Want to communicate Siemens PLC to other Siemens PLC over MODBUS RTU Protocol. If possible, then how? A sample program with details will be a great help.
A.C Servo Drives and Motors
Help me on how to program an AC servo drive to run an AC servo motor
PLC IOs Galvanic Isolation
PLCs IOs galvanic isolation
By d on 9 November, 2018 - 2:38 am
In agreement with the two first responders, isolators are not beneficial in typical processes or in...
By Steve Myres on 8 November, 2018 - 4:18 pm
You already have the data to answer the question. If you've been doing this for a decade or two,...
Square D Micro 1 Software
Looking for software to backup a Square D Micro 1 plc.
Connecting Electrical Engineering Experience and Programming
Marine electrical engineer who wants to learn programming and start working ashore, but has no clue how to connect programming and gathered practical electrical knowledge
By d on 3 November, 2018 - 10:59 am
Right off the bat, you can start with PLC or DCS programming, beyond that you can get a copy of a...
Security of Modbus Data Packets Against "Man-in-the-Middle" Attacks
Posted by sritam paltasingh on 29 October, 2018 - 12:38 pm
Security of modbus TCP data packets implemented via libmodbus
I'm desperately seeking an electronic manual for SUCOSOFT S30-S3 in order to start programming a Moeller Compact PLC PS4-111-DR-1...
Automax Ladder Editor Software
Looking for Automax Ladder Editor Software
By anonymous on 30 October, 2018 - 8:39 am
Reliance Automax PC3000, part #57C570, will need AutoMax Executive Software version 4.3 (57C610),...
By anonymous on 28 October, 2018 - 9:15 am
Hi Blue Line, Automax Executive Software is obsolete and no longer available. What are the...
Simatec S5 Signal Problems
S5-95U output signal problems
Registers in Modbus Communication
Registers read 2 bytes and it was already identified. What if the byte you need to read is byte 5 to 8, what will be the register number?
New Flow Measurement Method
How to find an investor of instruments.
By d on 24 October, 2018 - 11:18 am
Don't feel too too bad, all companies do this regardless of country, location or even if you are a...
Why do you pay for PLC programming software?
A question that has been on my mind for some time...
By john morley on 25 October, 2018 - 10:56 pm
> I also use unitronics. HMI options not as awesome as Siemens or AB, but FREE. Unitronics...
S5 PLC Wincc Communication
Connecting S5 155u (with cpu948) to Wincc
Looking for the cable and software for Messung PLC
Connecting CP1430 TF transport connection to Wincc using Ethernet
TwinCAT 3 Error When Switched to Run Mode.
TwinCAT 3 error when switched to Run Mode.
Does a control valve always needs output signal from positioner?
Whether to install or not additional signal from positioner.
What is the relation between accuracy and resoulution in a data acquisition CARD or PLC?
Instrument Earth and Plant Earth
Guidance related to grounding/earthing cable routing?
External Mismatch Alarm in Triconex AO Card
"External Mismatch" Alarm in Triconex AO Card
Allen-Bradley Ethernet to Fanuc CNC
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
By Santaji on 12 October, 2018 - 2:24 pm
You can use FANUC FOCAS library and develop your own application in Microsoft Visual Studio....
Logix 5561 no communication
By James Ingraham on 11 October, 2018 - 5:30 pm
The battery in the processor was dead. When you lost power, the program was erased, since the...