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y y analog variable (e.g. 4..20mA) binary variable (e.g. 0..24V) time time filtering & scaling sampling filtering sampling Industrial Automation counter The signal chain y(i) analogdigital converter 1 0001111 time 011011001111 processing non-volatile memory digitalanalog converter amplifier transistor or relay analog variable e.g. -10V..10V binary variable 22/100 2.3 Programmable Logic Controllers
CPU fieldbus controller field bus Real-Time Clock analogdigital converters signal conditioning Industrial Automation ROM General PLC architecture parallel bus digitalanalog converters power amplifiers flash EPROM relays serial port controller Digital Output direct Inputs and Outputs RS 232 Ethernet ethernet controller Digital Input signal conditioning buffers extension bus external I/Os 23/100 2.3 Programmable Logic Controllers
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2005 March, HK courtesy ABB 2. Inst
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Industrial Automation The instrumen
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2.1 Instrumentation 2.1.1 Market 2.
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Industrial Automation Binary Signal
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Industrial Automation Precision: re
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Industrial Automation Variable diff
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Industrial Automation Small positio
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Industrial Automation Force measure
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courtesy Parker Motion & Control In
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Industrial Automation 2.1.3.2 Tempe
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Thermo-element (Thermocouple) two d
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•pulsed laser •load cell •pul
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Other means: Magnetic-dynamic Corio
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Industrial Automation Drives (varia
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Pumps, valves, rods,… Industrial
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Industrial Automation Transducer A
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Object measurand Transducer Industr
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Piping and Instrumentation Diagram
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Industrial Automation Instrumentati
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Square root extraction of the input
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Connection to process, or instrumen
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Industrial Automation German IP-Pro
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Industrial Automation European Expl
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Industrial Automation Assessment Ho
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2005 March, HK set point Control of
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140 120 2 1 180 3 5 200 4 Why do we
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Industrial Automation Controllers T
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Industrial Automation Modeling: Con
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set-point (solicited) Sollwert vale
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Steam ∆P ∆f Main steam valve Ac
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Page 70 and 71: Industrial Automation A glance back
Page 72 and 73: The Watts "governor" (1791) - the f
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Page 88 and 89: 2.1 Instrumentation 2.2 Control 2.2
Page 90 and 91: Industrial Automation Nested loops
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Page 97 and 98: Industrial Automation Programmable
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Page 101 and 102: Switzerland SAIA, Weidmüller Indus
Page 103 and 104: (1) (2) (3) Compact Monolithic cons
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Page 111 and 112: Industrial Automation Specific Cont
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Page 123 and 124: "combinatorial" 1) e.g. ladder logi
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Page 127 and 128: Function Block Diagram (FBD) AUTO A
Page 129 and 130: Industrial Automation 2.4.2.1 Funct
Page 131 and 132: Example 1: Example 2: A B external
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Page 135 and 136: Types of Programming Organisation U
Page 137 and 138: inary elements AND OR XOR S1 SR R Q
Page 139 and 140: Basic blocks Industrial Automation
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Page 149 and 150: Industrial Automation Parallel exec
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Page 153 and 154: Connecting to Input/Output, Method
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Page 159 and 160: Industrial Automation Example of De
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Variables: Input: In0, In1, In2, In
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Industrial Automation SFC: Structur
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Function Blocks: Continuous (time)
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Industrial Automation Flow Charts O
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Industrial Automation 2.3.5.7 Ladde
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origin: electrical circuit correspo
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Series Parallel Industrial Automati
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Industrial Automation Ladder logic
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Industrial Automation 2.3.6 Instruc
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Industrial Automation Instruction L
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Industrial Automation Programming e
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Industrial Automation Program maint
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Industrial Automation IEC 61131-3 e
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Industrial Automation Limitations o
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