Technical toolbox
Technical guides.
Choose a tool, check the units and assumptions, and compare the result with the worked example.
15 kW motor current: input power, shaft power and panel checks
Follow a worked motor-current example and understand why a nominal current does not finish equipment selection.
Read guide →Why does a 4–20 mA signal start at 4?
Separate live zero from process zero and calculate a 0–10 bar sensor’s values at 4, 12 and 20 mA.
Read guide →Modbus device not responding: checks by symptom
Distinguish timeout, exception replies and incorrect values before investigating RTU wiring or TCP networking.
Read guide →