WESTLOCK CONTROLS CORPORATION
280 N. MIDLAND AVE., STE. 258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
www.westlockcontrols.com
10/5/2013
TECH-477/D.W.O. 21424
Page 100 of 206
9.4.2 Process Variables
Located under Measured Value, this directory displays, in a form of a bar graph, all the
measured values by the device's sensors.
SP: Setpoint - Process variable from the analog output block
Working SP: Process variable from the analog output block after
characterization, FLOP and reverse acting (SIGNAL_ACTION) in
POSITION_UNITS
Feedback: The actual position of the final control element in units defined in
the POSITION_UNITS parameter.
Supply Pressure: Pressure of manifold output port A - It is located in the port A. Its
unit is defined in the PRESSURE_UNITS.
The accuracy over the span is ± 2% between 0 - 50ºC.
The offset has a variation of 3.5% for each 1ºC of variation.
If the unit is %, then 100% is the maximum pressure used in the
calibration.
Internal
Temperature:
Electronic board temperature in units as defined in the
INTERNAL_TEMP_UNIT parameter.
9.5 Diagnostics
9.5.1 Simulation Analog Output
Located under Simulation/Simulation/Analog Output,
Simulation Value: For commissioning and maintenance reasons, it is
possible to simulate the Read back by defining the value
and the status. That means that the Transducer Block and
the Function Block will be disconnected.
