Scale sensor signals, tune PID loops, and calculate chilled water capacity.
Use as a checklist, not an automated design workflow. Complete and verify each calculation independently. Only explicit carry-forward links move a compatible value; all other inputs remain your responsibility.
What this workflow covers
Scale sensor signals, tune PID loops, and calculate chilled water capacity.
This 4-step checklist is intended for controls engineer. Confirm each linked calculator's units, formula, assumptions and operating limits before using the result in a project decision.
Checklist progress0 of 4 steps checked
Sequence Execution
1
4-20mA Analog Sensor Signal Scaling
Convert a raw 4-20mA sensor signal to calibrated engineering units (IEC 61131-3 compliant).
WORKFLOW INSTRUCTION:Confirm the published assumptions, enter the project data, and record the result and operating limits for 4-20mA Analog Sensor Signal Scaling.
2
PID Controller Loop Tuning (Ziegler-Nichols)
Scope-limited calculation
Calculate P, PI, and PID gain constants (Kp, Ti, Td) using closed-loop Ziegler-Nichols ultimate gain method.
WORKFLOW INSTRUCTION:Confirm the published assumptions, enter the project data, and record the result and operating limits for PID Controller Loop Tuning (Ziegler-Nichols).
3
Heat Exchanger LMTD & Temperature Efficiency (TEMA)
Calculate Logarithmic Mean Temperature Difference (LMTD) for counter-flow and parallel-flow shell & tube heat exchangers.
WORKFLOW INSTRUCTION:Confirm the published assumptions, enter the project data, and record the result and operating limits for Heat Exchanger LMTD & Temperature Efficiency (TEMA).
4
Industrial Chilled Water Cooling Capacity (HVAC)
Calculate industrial chiller cooling duty (Tons of Refrigeration & kW) from chilled water flow rate and temperature difference (ΞT).
WORKFLOW INSTRUCTION:Confirm the published assumptions, enter the project data, and record the result and operating limits for Industrial Chilled Water Cooling Capacity (HVAC).