3.0.2 FUNCTIONAL CONTROL
The Servo Control Unit is made up of a servo controller, power supply,
and a solid state relay also included on the master unit is a single channel
for analog/digital input selection. In the off position the BNC connector is
tied straight through the servo controller to the Channel 1 input line in the
machine case so that external recording of flow data can be achieved
utilizing the machine case’s flow sensor, located in the air flow path.
The following is a brief description of each of the major subassemblies in