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You will need to use ABB's Advant Control Builder or another compatible ABB programming tool.

You can use tools like Modbus Poll or ModScan to verify the Modbus data being sent by LOGO independently.

There are no widely recognized open-source software tools that natively support programming GE VersaMax PLCs. You can use open-source platforms like OpenPLC Project.

You can use Wireshark for Packet Analysis. You can also use Modbus testing tools like QModMaster.

Check if any valves in the steam flow path are partially closed or obstructed. Accumulation of scale, rust, or other deposits in the steam piping can restrict the flow and increase pressure in the mid-chamber.

Please Confirm that the card's firmware version(FW: 2.40) is compatible with your version of TwinCAT (v2.10). TwinCAT v2.10 is quite old, and it may not support firmware versions below 2.58, as required for proper updates.

You can select MQ137 gas sensors to detect amonia and carbon monoxide. https://www.theengineeringprojects.com/2024/04/mq-gas-sensor-series.html You also need dust sensors. https://learn.adafruit.com/pm25-air-quality-sensor/overview You did not mention what type of production you are into...

If this behavior repeats, it could even be a beneficial side effect of light rain improving filter performance. Compare similar weather events in the past to see if the phenomenon is consistent.

In a permanent magnet motor, torque is produced by the interaction of the stator magnetic field with the fixed magnetic field of the rotor, rather than by induced currents in the rotor. Replacing the rotor will change the torque-speed characteristics significantly.

I think you can start with the AccelStepper Library.

This suggests a problem with GEN 3's AVR or its sensing circuit. Perform a detailed test of GEN 3’s AVR, especially its sensing circuit for voltage and current.

You can also build one like this by yourself. https://www.pcbway.com/project/share/DIN_Rail_Relay_Board.html

Maybe some pics will interest potential buyers.

Have you checked the UL product IQ database? https://productiq.ulprospector.com/en

Use a multimeter to test the current on the 4-20 mA line at the actuator input terminals. Check wiring for loose connections, breaks, or shorts. Ensure correct polarity.

If the AC 100 OPC Server is compatible with your setup, it is the simplest and most direct method. Otherwise, a gateway device to translate AF100 to Modbus TCP or Ethernet/IP is a robust alternative.

A fault in the communication link between the turbine control system and the GCP can cause a premature over-frequency trip.

I think you will need to modify the configuration using the GE ControlST software. https://www.gevernova.com/gas-power/products/digital-and-controls/mark-vie-ecosystem/mark-vie-control-st-software-suite

The gain of 20 in the feedback path affects the closed-loop behavior but does not contribute to the open-loop transfer function since it appears after summation and feedback subtraction. For an open-loop analysis feedback blocks are ignored when computing the open-loop transfer function. I think...

Review if any recent maintenance, upgrades, or configuration changes were performed on GT2. Misconfigured tuning parameters or new firmware could inadvertently affect performance.