Tecnicas de bi para soporte decisiones balance metalúrgico

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  • Publicado : 7 de noviembre de 2011
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First Letter
First letter indicates a measured or initiating variable, or a modifier, such as Current (I), Speed (S) or Flow (F).
Measured or Initiating Variable
* A - Analysis
* B -Burner, combustion
* C - User's choice
* D - User's choice
* E - Voltage
* F - Flow rate
* G- User's choice
* H - Hand
* I - Current (electrical)
* J - Power
* K -Time, time schedule
* L - Level
* M- User's choice
* N- User's choice
* O- User's choice
* P - Pressure, vacuum
* Q - Quantity
* R - Radiation
* S - Speed, frequency
*T – Temperature
* U - Multivariable
* V - Vibration, mechanical analyses
* W - Weight, force
* X - Unclassified
* Y - Event, state or presence
* Z - Position, dimensionModifier
* D - Differential
* F - Ration (fraction)
* J - Scan
* K - Time rate of change
* M - Momentary
* Q - Integrate, totalizer
* S - Safety
* X - X-axis
* Y -Y-axis
* Z - Z-axis

Second or Succeeding Letters
Second or succeeding letters indicates a readout or passive function, output function or a modifier function.
Readout or Passive Function
*A - Alarm
* B - User's choice
* E - Sensor (primary element)
* G- Glass, viewing device
* I - Indication
* L - Light
* N- User's choice
* O- Orifice, restriction
* P- Point (test connection)
* R - Record
* U - Multifunction
* W - Well
* X - Unclassified
Output Function
* B - User's choice
* C - Control
* K - Control Station
* N-User's choice
* S - Switch
* T - Transmit
* U - Multifunction
* V - Valve, damper, louver
* X - Unclassified
* Y - Relay, compute, convert
* Z - Driver, actuatorModifier Function
* B - User's choice
* H - High
* L - Low
* M - Middle, intermediate
* N- User's choice
* U - Multifunction
* X - Unclassified

Examples - P&ID codes...
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