Honeywell AUTOMATIC CONTROL Engineering Manual page 68

PNEUMATIC CONTROL FUNDAMENTALS
Actuators and Final Control Elements
Relays and Switches
Pneumatic Control Combinations
Pneumatic Centralization
Pneumatic Control System Example
ENGINEERING MANUAL OF AUTOMATIC CONTROL
Controllers ............................................................................................................
General ................................................................................................
Temperature Controllers ......................................................................
Humidity Controllers ............................................................................
Pressure Controllers ............................................................................
Sensor-Controller Systems .................................................................
Pneumatic Controllers .........................................................................
Proportional-Integral (PI) Controllers ..............................................
Controller Adjustments ....................................................................
Pneumatic Sensors .............................................................................
Velocity Sensor-Controller ...................................................................
............................................................................................................
Actuators .............................................................................................
General ...........................................................................................
Spring Ranges ................................................................................
Control Valves .....................................................................................
Dampers ..............................................................................................
............................................................................................................
Switching Relay ...................................................................................
Snap Acting Relay ...............................................................................
Lockout Relay ......................................................................................
High-Pressure Selector Relay .............................................................
Low-Pressure Selector Relay ..............................................................
Load Analyzer Relay ...........................................................................
Capacity Relay ....................................................................................
Reversing Relay ..................................................................................
Averaging Relay ..................................................................................
Positive-Positioning Relay ...................................................................
Ratio Relay ..........................................................................................
Pneumatic Potentiometer ....................................................................
Hesitation Relay ..................................................................................
Electrical Interlocking Relays ..............................................................
Electric-Pneumatic Relay ................................................................
Pneumatic-Electric Relay ................................................................
Electronic-Pneumatic Transducer .......................................................
Pneumatic Switch ................................................................................
Manual Positioning Switch ..................................................................
............................................................................................................
General ................................................................................................
Sequence Control ................................................................................
Limit Control ........................................................................................
Manual Switch Control ........................................................................
Changeover Control for Two-Pressure Supply System .......................
Compensated Control System ............................................................
Electric-Pneumatic Relay Control ........................................................
Pneumatic-Electric Relay Control ........................................................
Pneumatic Recycling Control ..............................................................
............................................................................................................
............................................................................................................
Start-Stop Control Sequence ..............................................................
Supply Fan Control Sequence ............................................................
Return Fan Control Sequence .............................................................
Warm-up/Heating Coil Control Sequence ...........................................
Mixing Damper Control Sequence ......................................................
Discharge Air Temperature Control Sequence ....................................
Off/Failure Mode Control Sequence ....................................................
58
70
70
71
71
71
72
72
72
72
73
73
74
74
74
74
75
76
77
77
78
78
79
79
79
80
80
80
80
81
81
82
82
82
82
83
83
84
84
84
85
85
86
87
87
87
88
88
89
90
90
92
92
92
93
94
94