PLC Data to MQTT
Passive methods to stream PLC tags to MQTT brokers and cloud platforms without touching ladder logic or stopping the line.
Industrial Automation · Reference Library
News & Insights
Selection guides, head-to-head comparisons, and field-tested configuration notes for control engineers, integrators, and maintenance teams.
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1
SCHUKO Color Code Guide
A practical reference for matching four SCHUKO socket colors to their VDE 0100 circuit types — so you never connect critical equipment to the wrong power supply.
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2
HygroFlex5A Trend Analysis Guide
How to use the Rotronic HygroFlex5A trend analysis and data logging functions to detect humidity drift, validate HVAC stability, and schedule probe calibration before batch quality is affected.
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3
Surge Socket Placement
A room-by-room framework for deciding which Schuko sockets in a German-standard installation justify built-in overvoltage protection, how a Type 3 SPD in the socket coordinates with the panel SPD, and where the extra cost is wasted.
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4
MRU OMS 420 In-Situ O2 Analysis
Understanding how a heated zirconia ceramic cell measures oxygen directly in flue gas — without a sample line, condenser, or transport delay — and why the in-situ approach eliminates the sampling errors inherent in extractive continuous emissions monitoring.
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5
Magnetic Flow Meter Modbus Guide
Configure Modbus RTU communication on Rosemount magnetic flow meters — wiring the RS-485 terminals, setting baud rate and parity, reading flow rate and totalizer registers, and troubleshooting the most common Modbus connection failures.
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6
ST-500 Controller Compatibility
Which controllers work with the Pyxis ST-500 inline PTSA fluorometer? A practical guide covering 4-20mA loop wiring, Bluetooth connectivity, and controller options from Pyxis and GF Signet for water treatment monitoring.
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7
ST-500 Injection Point Placement
Where to install an inline PTSA fluorometer relative to chemical injection — understanding mixing distance, representative sampling, and why the sensor must sit downstream of the dosing point for accurate treatment control.
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8
Ntron Yellow Box Display Guide
Step-by-step guide to configuring the Ntron Yellow Box display, setting alarm thresholds, and calibrating this portable oxygen analyzer for high-purity gas applications from semiconductor fabs to glove boxes.
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9
Rosemount 935 Software Setup
How to configure a Rosemount 935 open path infrared hydrocarbon gas detector — software tools, alignment optimization, alarm threshold setup, and HART/Modbus integration with fire and gas safety systems.
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10
2260 Ultrasonic Transmitter PLC Wiring
Step-by-step guide to wiring the GF Signet 2260 ultrasonic level transmitter to a PLC analog input — covering 4-20mA loop power, signal scaling, and configuration with the GF Signet 9900 display.