A sensor resets at the far end
Check voltage drop, terminal voltage, SMPS margin, and field measurements.
VoltCheck24 Global Hub
Industrial Automation and Commissioning Calculators
Practical commissioning calculators for PLC analog scaling, 4-20mA loops, RS-485 networks, motor breakers, and safety distance reviews.
Recommended workflow
- Identify the signal or motion failure pattern
- Calculate the electrical and control margin
- Record field values for project review
Start from the field problem
Choose the symptom or design decision first. Each path leads to the calculation, assumptions, and next verification step.
The 24V power supply runs hot
Sum loads, apply diversity and temperature derating, then compare alternatives.
A motor trips during startup
Separate full-load current from inrush current and review protection coordination.
A 4-20mA signal is unstable
Check loop voltage margin, wiring, grounding, input-card range, and measured values.
The control cabinet temperature rises
Estimate heat load, ambient conditions, fan or AC capacity, and derating needs.
PLC Analog Scaling Calculator for 4-20mA and ADC Inputs
Generate engineering-unit scaling formulas for 4-20mA, 0-10V, and common PLC ADC raw ranges used in industrial automation.
4-20mA Loop Voltage Margin Calculator
Check transmitter voltage margin, loop resistance, shunt resistor loading, and cable losses for industrial 4-20mA current loops.
RS-485 Termination and Cable Distance Calculator
Estimate RS-485 and Modbus cable distance, baud-rate limits, node loading, stub length, and 120 ohm termination requirements.
Motor Breaker Sizing Calculator for 3 Phase Induction Motors
Estimate motor full-load current, starting current, breaker rating, and preliminary protection margin for three-phase industrial motors.
Safety Light Curtain Minimum Distance Calculator
Estimate minimum safety distance using detection resolution, approach speed, sensor response, and machine stopping time.
Free preliminary engineering reference for technicians, panel builders, automation engineers, and designers worldwide.