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Tools4-20mA Loop Signal Converter

4-20mA Loop Signal Converter

Convert standard analog current loop values to engineering scaling targets and PLC register steps.

Purpose & Calculation Breakdown (India)

Purpose of this Tool: Convert loop current values to linear PLC digital registers and engineering levels.

• Span Percentage (%):Span\ \% = \frac{I_{mA} - 4.00}{16.00} \times 100
• Engineering Unit Scaling:EU_{val} = EU_{min} + \left(\frac{I_{mA} - 4.00}{16.00}\right) \times (EU_{max} - EU_{min})
• PLC Register Count Mapping:PLC_{reg} = \text{Round}\left(\frac{I_{mA} - 4.00}{16.00} \times PLC_{max}\right)
Select target PLC hardware scaling resolution
Select the active driving parameter

Engineering Scaling Calibration Ranges

Slide to change current value between 4.00mA and 20.00mA
mA
4.00 mA20.00 mA

Calculated Signals

Analog Loop Current4.000
mA
Engineering Scaled Output0.000
Units
PLC Integer Register Count0
Counts

Generates a formal executive feasibility proposal page ready for management sign-off & signatures.

Suggested Next Step

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