Armfield PCT40 - Page 59

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Laboratory Teaching Exercises

Exercise BB - Manual control of flow rate

Exercise CC - Proportional flow rate input with PID control

Exercise DD - Manual control of proportioning valve setting

Exercise EE - Proportional pressure input with PID control

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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

Armfield PCT40 - Page 59

Table of Contents