Armfield PCT40 - Page 173

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Exercise Z

167

with those of direct heating. Comment on the sensitivity of the process to

disturbances such as that investigated.

Table of Contents

Table of Contents2
Copyright and Trademarks7
General Overview8
Equipment Diagrams9
Important Safety Information10
- Introduction10
- Electrical Safety10
- Hot Surfaces and Liquids10
- Chemical Safety11
- Water Borne Hazards11
Description12
- Overview12
- Moulded Plinth12
- Large Process Vessel14
- Small Process Vessel (Hot Water Tank)15
- Heating/Coiling Coil16
- Manifold Block with Orifices and Pressure Tappings17
- Process Valves SOL 1, 2 and 317
- Pressure Regulator (PRV)18
- Inlet Flow Meter F118
- Proportioning Solenoid Valve PSV19
- Gear Pump19
- Peristaltic Pumps a & B20
- Differential Pressure Sensors P1, P2 & P320
- Level Sensor L121
- Temperature Sensor T121
- Temperature Sensors T2 & T322
- Temperature Sensor T422
- Level Switch23
- Differential Level Switch23
- Thermostat (Temperature Switch)24
- Thermometer Pocket24
- Software24
Installation26
- Advisory26
- Electrical Supply26
- Installing the PC Software26
- Installing the Equipment27
- Electrical Wiring Diagram41
Operation42
- Operating the PC Software42
- Operating the Equipment42
Equipment Specifications49
- Overall Dimensions49
- USB Channel Numbers49
- Other Specifications52
- Environmental Conditions52
Routine Maintenance54
- Responsibility54
- General54
- RCD Test55
- Calibration of the Sensor Conditioning Circuits55
- DAC Programming56
- Cleaning the Equipment56
- Accessing the Electrical Circuits Inside the Plinth56
- Freeing a Seized Hot Water Pump57
Laboratory Teaching Exercises58
- Index to Exercises58
Exercise a - On/Off Level Switch60
Exercise B - Differential Level Switch65
Exercise C - Manual Operation of Normally Closed Solenoid Valve70
Exercise D - Proportional Pressure Input with On/Off Controller Using Normally Closed Solenoid Valve74
Exercise E - Proportional Pressure Input with Time Proportional Control Using Normally Closed Solenoid Valve78
Exercise F - Manual Operation of Proportioning Solenoid Valve83
Exercise G - Proportional Pressure Input with PID Controller Using Proportioning Solenoid Valve86
Exercise H - Manual Operation of Normally Closed Solenoid Valve92
Exercise I - Proportional Pressure Input with On/Off Controller Using Normally Closed Solenoid Valve95
Exercise J - Proportional Pressure Input with Time Proportional Controller Using Normally Closed Solenoid Valve99
Exercise K - Manual Control of Peristaltic Outlet Pump Speed104
Exercise L - Proportional Pressure Input with PID Controller to Control Peristaltic Outlet Pump Speed108
Exercise M - Manual Control of Heater115
Exercise N - Proportional Temperature Input with On/Off Control118
Exercise O - Proportional Temperature Input with Time Proportional Control of Heater121
Exercise P - Proportional Temperature Input with PID Control of Heater125
Exercise Q - Manual Control of Heater Power131
Exercise R - Thermostat Control of Heater Power134
Exercise S - Temperature Input with On/Off Control137
Exercise T - Temperature Input with Time Proportional Control140
Exercise U - Proportional Temperature Input with PID Control145
Exercise V - Manual Control of Heater Power151
Exercise W - Temperature Input with On/Off Control154
Exercise X - Temperature Input with Time Proportional Control158
Exercise y - Proportional Temperature Input with PID Control163
Exercise Z - Manual Control of Pump Speed169
Exercise AA - Proportional Temperature Input with PID Control174
Exercise BB - Manual Control of Flow Rate180
Exercise CC - Proportional Flow Rate Input with PID Control183
Exercise DD - Manual Control of Proportioning Valve Setting188
Exercise EE - Proportional Pressure Input with PID Control191
Contact Details for Further Information196