Percent range scaling
4 20Ma Scaling
Calculates the current signal for a process variable over a configured lower and upper range. The deterministic linear scaling reports percentage of span, 4-20 mA current, and reconstructed process value from the current signal for instrumentation checks.
3 fields
2 archetypes
with-tool
3 scored fields
contract fields
Parameter Map
3 inputs to 3 scored outputs
process_value
floatProcess variable value
0 to 1000lower_range_value
floatLower range value
-1000 to 500upper_range_value
floathidden in hardUpper range value
1 to 2000
Percentage of configured span
Current signal
Process variable reconstructed from current
visibility contract
Difficulty Ladder
Engineering range scaling
Upper range value hidden in context
scenario bands
Archetype Atlas
level_transmitter
2 contextsTank level transmitter scaled in percent
pump-station / water-treatment
pressure_transmitter
2 contextsPressure transmitter scaled over a positive engineering range
process-skid / gas-metering
rendered task
Generation Preview
process-skid-pressure-transmitter-preview
- difficulty
- hard
- visibility
- partial
- archetype
- pressure_transmitter
- site context
- process-skid
visible fields
- process_value100 to 900
- lower_range_value0 to 0
withheld schema
Pressure transmitter scaled over a positive engineering range. process-skid. Required outputs: span_pct, current_signal_ma, reconstructed_process_value