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  1. B

    Calibration and Multi-Well Configuration for Red Eye 2G Water Cut Meter

    If your test separator is automated, the same signal that switches the test manifold (from Well 1 to Well 2, etc.) can be used to trigger the meter's calibration change. You can use discrete inputs from manifold valve positions mapped to calibration profiles or send Modbus register writes using...
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    Ajax gas detector module

    The "Fault" indication typically means the module isn't receiving a proper signal from the sensor. "Inhibit" suggests the module has been manually or automatically locked out. Check the cables for any signs of damage or wear. Use a multimeter to check for continuity. There should be no open...
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    Where to place the HMI in my sensor array?

    You can use an HMI (Human-Machine Interface) to visualize the pressure sensor data, and in this case, it would indeed function as a Modbus RTU slave or Modbus RTU master, depending on your setup. If your RTU (Remote Terminal Unit) supports multiple Modbus slaves, you can configure the HMI as...
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    UL1077 vs UL489

    A UL1077 breaker is considered supplemental protection and does not replace branch circuit protection which a UL489 breaker provides. If the UL1077 breaker feeds a PLC, Ethernet switch, or other low-power control panel components, you can size the wiring based on the load and the UL1077 breaker...
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    Toxicity and contamination detection in production

    You can also take a look at this Air Quality monitor: https://www.pcbway.com/project/shareproject/ESP8266_Air_Quality_monitor_with_Nova_PM_Sensor_SDS011_888bf8c3.html It may also help monitor the air quality of the factory environment.
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    AC110 (PM633)

    You will need to use ABB's Advant Control Builder or another compatible ABB programming tool.
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    Which address should I select in wincc tag management

    You can use tools like Modbus Poll or ModScan to verify the Modbus data being sent by LOGO independently.
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    Open Source Softwares for VersaMax Micro PLC

    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.
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    Packet Loss

    You can use Wireshark for Packet Analysis. You can also use Modbus testing tools like QModMaster.
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    High steam turbine mid-chamber pressure

    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.
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    FC3102 firmware update problem

    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.
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    Toxicity and contamination detection in production

    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...
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    Rain Cleaning out Gas Turbine Filters

    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.
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    Replacing cage rotor of induction motor with permanent magnet rotor

    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.
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    Three Stepper Motor control

    I think you can start with the AccelStepper Library.
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    KVAR Imbalance: When Generators in parallel, current and kVar rises continuously.

    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.
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    Searching for Electronical/Logical Components for building a project

    You can also build one like this by yourself. https://www.pcbway.com/project/share/DIN_Rail_Relay_Board.html
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    For sale Emerson 475 field communicator

    Maybe some pics will interest potential buyers.
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    Finding UL ratings of components

    Have you checked the UL product IQ database? https://productiq.ulprospector.com/en
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    Auma actuator not respondind to 4-20mA command in remote control

    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.
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