Topic: fixed logic language
Topic: flow diagrams and flow charts
Topic: programmable controller
Topic: state machine
Topic: visual programming
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Summary
Relay control networks can be defined by ladder diagrams. A large number of programmable controllers are similarly specified through ladder diagram specification languages. Automatic Timing & Controls' LDC-40 system uses pluggable hardware modules with ladder diagram symbols imprinted on top. Ladder diagrams are not effective for large control networks. (cbb 5/80)
Subtopic: ladder diagram
Quote: can easily translate boolean algebra into ladder diagrams [»controleng]
| Quote: the goal for a programmable controller is an easily altered, flexible, ladder diagram [»controleng]
| Quote: ladder diagrams allow users to program controllers in familiar relay logic terms [»controleng]
| Quote: ladder diagrams is the predominate method except for very large logic systems [»controleng]
| Subtopic: ladder diagram as hardware
Quote: assemble control ladder diagram from plastic modules; about a dollar per line [»controleng]
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Related Topics
Topic: fixed logic language (7 items)
Topic: flow diagrams and flow charts (21 items)
Topic: programmable controller (9 items)
Topic: state machine (67 items)
Topic: visual programming (32 items)
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