Search references for RELAY LOGIC. Phrases containing RELAY LOGIC
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Programming language for industrial controllers
Ladder logic was originally a written method to document the design and construction of relay racks as used in manufacturing and process control. Each
Ladder_logic
Arrangement of relays used to control machinery
Relay logic is a method of implementing combinational logic in electrical control circuits by using several electrical relays wired in a particular configuration
Relay_logic
Device performing a Boolean function
electromagnetic relays with relay logic, fluidic logic, pneumatic logic, optics, molecules, acoustics, or even mechanical or thermal elements. Logic gates can
Logic_gate
Programmable digital computer used to control machinery
rugged and easily programmable controllers which could replace hard-wired relay logic systems. Dick Morley is credited with having invented the first PLC,
Programmable_logic_controller
Electrically operated switch
contacts. Relay logic is the predecessor of ladder logic, which is commonly used in programmable logic controllers. A mercury relay is a relay that uses
Relay
Use of various control systems for operating equipment
the beginning of a theoretical basis for understanding control theory. Relay logic was introduced with factory electrification, which underwent rapid adaptation
Automation
Arrangement of railway signal apparatus
exchange in the floors below that combined the vital relay based interlocking logic and non-vital control logic in one place. Such advanced schemes would also
Interlocking
Type of digital logic implemented by Boolean circuits
Field-programmable gate array Formal verification Ladder logic Programmable logic controller Relay logic Sequential logic Tseytin transformation Savant, C.J. Jr.; Roden
Combinational_logic
System using algorithmic detection of electrical faults
the relay, and in some case, taps on transformers. In some solid-state relays, a simple microprocessor does some of the relay logic, but the logic is fixed
Numerical_relay
Graphical representation of an electrical circuit
title block and frame as other engineering drawings. Relay logic line diagrams, also called ladder logic diagrams, use another common standardized convention
Circuit_diagram
Telephone signal
technology such as crossbar or reed relay, the register was often a system of analog electronics or even relay logic. The terms flash and hook flash are
Hook_flash
Control panel programmable electronic calculating card punch
addition. (The earlier IBM 601 and released in the same year IBM 602 used relay logic.) The IBM 603 was adapted as the arithmetic unit in the IBM Selective
IBM_603
Programming language written graphically by a user
for engineers and scientists Ladder logic, a language that simulates relay logic commonly used in programmable logic controllers MeVisLab, cross-platform
Visual_programming_language
Electromagnetic switching device
with one of the reeds latching the relay, and the other or others performing logic or memory functions. Most reed relays in the crossbar switching systems
Reed_relay
Computer built from mechanical components such as levers and gears
Early electrically powered computers constructed from switches and relay logic rather than vacuum tubes (thermionic valves) or transistors (from which
Mechanical_computer
Late 19th-century machine for summarizing information stored on punch cards
tabulating run, counters could be assigned to a specific hole or, by using relay logic, to a combination of holes, e.g. to count married couples. If the card
Tabulating_machine
Use of technology to coordinate multiple entertainment control systems
an automobile plant. PLCs were programmed using ladder logic, a language simulating relay logic. Even today, PLCs, mechanical switches, and optical sensors
Show_control
Espionage using electromagnetic leakage
earlier, a rotor-based key generator called SIGCUM. It used electromechanical relays in its operation. Later, Bell informed the Signal Corps that they were able
Tempest_(codename)
Facility where goods are industrially made, or processed
more efficient. Electrification enabled sequential automation using relay logic. Henry Ford further revolutionized the factory concept in the early 20th
Factory
Electronic control system
system was notably ahead of its time in that its phase detector was a relay logic implementation of the transistor circuits for phase/frequency detectors
Phase-locked_loop
Textbook for the Electronics Technician distance education program
theorem, electric circuit analysis, magnetism, resonance, control relays, relay logic, semiconductor diodes, electron current flow, and much more. Smoothly
Principles_of_Electronics
Paper-based recording medium
given tabulating run counters were assigned specific holes or, using relay logic, combination of holes. Later designs led to a card with ten rows, each
Punched_card
Railway safeworking operations
electric relay logic was developed, it became no longer necessary for signalmen to operate control devices with any sort of mechanical logic at all. With
Signalling_control
Linear integrated circuit precision shunt regulator
comparators and invertors can be easily cascaded following the rules of relay logic. For example, a two-stage window voltage monitor will turn on (switching
TL431
Series of programmable logic controllers
launched on the market, a system that could replace relay logic with a hard-wired programmed logic controller (based on the use of germanium transistors)
Simatic
German electromechanical relay computer, 1953
designs [citation needed]. Like the Z3 and Z4, the Z5 was built using relay logic rather than vacuum tubes. Zuse had concluded that the vacuum tubes available
Z5_(computer)
Retail tag that can be read like a punch card
array of phototubes. The phototubes fired thyratrons that activated relay logic to translate the tag's coded digits into Hollerith code and punch a standard
Kimball_tag
American cryptographer (1890–1960)
use the term "XOR" in the patent, but he implemented that operation in relay logic. In the example Vernam gave, the plaintext is A, encoded as "++---" in
Gilbert_Vernam
Electronic circuits that utilize digital signals
by electrical switching circuits. Eventually, vacuum tubes replaced relays for logic operations. Lee De Forest's modification of the Fleming valve in 1907
Digital_electronics
Type of computer memory used from 1955 to 1975
patents on the use of transformers for building digital logic circuits in place of relay logic beginning in 1947. A fully developed core system was patented
Magnetic-core_memory
Telephone which has buttons or keys for dialing
conductors and ground return, which were analyzed in the exchange by relay logic. In 1968, the system was used in the UK, in a brief excursion from standards
Push-button_telephone
binary switching elements are available as outputs, such as relay, semiconductor relay, logic and MosFET outputs, and are used either for controlling binary
Compact_controller
Vertical transport
the traction machine which is directed by the controller, typically a relay logic or computerized device that directs starting, acceleration, deceleration
Elevator
Telecommunication system for establishing telephone calls
acknowledgment (a wink) to go ahead with dial pulsing. This was done with relay logic and discrete electronics. These voltage changes on the trunk circuit
Telephone_exchange
Student organization for hackers
full speed toward an obstruction. Another feature of the system was a relay-logic digital clock (dubbed the "digital crock") on the dispatch board, which
Tech_Model_Railroad_Club
American computer scientist
published in the journal Radio Electronics in 1950 and 1951. Simon used relay logic and cost about $600 to construct. The first working model was built at
Edmund_Berkeley
British diesel multiple unit prototype (1981–c.1986)
allegedly due to defective relay logic and poor earthing; the issue was eventually resolved on the subsequent Class 141 via the relay's replacement by a microprocessor-based
British_Rail_Class_140
Nanometer-scale mechanical switch
traditional semiconductor logic. While the mechanical nature of NEM relays makes them switch much slower than solid-state relays, they have many advantageous
Nanoelectromechanical_relay
Type of electrical telegraph
a polarized permanent magnet relay (instead of the yet-to-be-invented diode) and the use of some ancillary relay logic to add a useful hysteresis to
Quadruplex_telegraph
Early form of digital logic developed by Philips
hard-wired programmed logic controllers (the predecessors of programmable logic controllers (PLC)) to replace electro-mechanical relay logic in industrial control
NORBIT
Diesel multiple unit railbuses (1984–2005)
allegedly due to defective relay logic and poor earthing; the issue was eventually resolved on the fleet by replacing the relay-based controller with an
British_Rail_Class_141
System of identifying electrical power devices
Numbers can be used to identify equipment and devices in a system such as relays, circuit breakers, or instruments. The device numbers are enumerated in
ANSI_device_numbers
Five classes of 1980s British diesel railbuses
failures and other reliability issues; this was allegedly due to defective relay logic and poor earthing. The Class 140 was viewed to be an overall success
Pacer_(British_Rail)
Small IBM scientific computer released in 1959
-12 V. Transmission line logic levels of SDTRL circuits (C Level) were high: 1 V, low: -1 V. Relay circuits used either of two logic levels (T Level) high:
IBM_1620
Programming paradigm based on formal logic
Logic programming is a programming, database, and knowledge representation paradigm based on formal logic. A logic program is a set of sentences in logical
Logic_programming
Master's thesis by C. E. Shannon
A Symbolic Analysis of Relay and Switching Circuits is the title of a master's thesis written by computer science pioneer Claude E. Shannon while attending
A Symbolic Analysis of Relay and Switching Circuits
A_Symbolic_Analysis_of_Relay_and_Switching_Circuits
Vincent Atanasoff — His place in the history of computer logic and technology". Modern Logic. 7 (1): 1–24. Lewis 2001. James Evans, (1998), The History
Timeline of computing before 1950
Timeline_of_computing_before_1950
Class of 96 British two-car railbuses
used from the onset, allowing the reliability issues posed by defective relay logic and poor earthing present on the predecessor to be entirely avoided.
British_Rail_Class_142
1970s people mover system
interfaced with various vehicle subsystems via dual-redundant fail-safe vital relay logic. A key safety feature was a novel braking system that consisted of automotive
Ford_ACT
British class of diesel multiple unit trains
from the outset, allowing the reliability issues posed by defective relay logic and poor earthing present on the predecessor to be entirely avoided.
British_Rail_Class_143
Family of digital circuits
PMOS or pMOS logic, from p-channel metal–oxide–semiconductor, is a family of digital circuits based on p-channel, enhancement mode metal–oxide–semiconductor
PMOS_logic
Array of logic gates that are reprogrammable
a subset of logic devices referred to as programmable logic devices (PLDs). They consist of a grid-connected array of programmable logic blocks that can
Field-programmable_gate_array
Algebraic manipulation of "true" and "false"
In mathematics and mathematical logic, Boolean algebra is a branch of algebra. It differs from elementary algebra in two ways. First, the values of the
Boolean_algebra
Electronic test instrument that measures multiple signals from a circuit
A logic analyzer is an electronic instrument that captures and displays multiple logic signals from a digital system or digital circuit. A logic analyzer
Logic_analyzer
Mathematical study of switched networks
Logic design Logic gate Logic in computer science Nonblocking minimal spanning switch Programmable logic controller – computer software mimics relay circuits
Switching_circuit_theory
IC for low-to-high power load switching
and 5-V CMOS logic Typical usage of the ULN2003A is in driver circuits for relays, solenoids, lamps and LED displays, stepper motors, logic buffers and
ULN2003A
Technology for constructing integrated circuits
uses complementary and symmetrical pairs of p-type and n-type MOSFETs for logic functions. CMOS technology is used for constructing integrated circuit (IC)
CMOS
Electronic circuit with two stable states
Fundamentals of Logic Design (4th ed.). PWS. ISBN 9780534954727. GB 148582, Eccles, William Henry & Jordan, Frank Wilfred, "Improvements in ionic relays", published
Flip-flop_(electronics)
discovered the possible interpretation of Boolean algebra of logic in electro-mechanical relay circuits. He graduated from Moscow State University (1934)
Victor_Shestakov
Form of digital logic family in integrated circuits
nMOS logic (from N-type metal–oxide–semiconductor) uses n-type (-) MOSFETs (metal–oxide–semiconductor field-effect transistors) to implement logic gates
NMOS_logic
Pictogram used to represent various electrical and electronic devices or functions
without replacement as of November 7, 2019. IEEE 91/91a - graphic symbols for logic functions (used in digital electronics). It is referenced in IEEE 315 /
Electronic_symbol
True when either but not both inputs are true
Symbolic Logic. Translated by Boddington, T. Oxford, London, New York and Paris: Pergamon Press. Shannon, C. E. (1938). "A Symbolic Analysis of Relay and Switching
Exclusive_or
Type of relay without moving parts
digital logic circuits, or microprocessor-based designs. Some authors use the term "static relay" to refer only to solid state relays. A static relay consists
Static_relay
Electronic component to ensure a known state for a signal
In electronic logic circuits, a pull-up resistor (PU) or pull-down resistor (PD) is a resistor used to ensure a known state for a signal. More specifically
Pull-up_resistor
entered mass production in the early 1950s. Wire spring relays were the most suitable relays for logic and computing functions.[citation needed] They were
Wire_spring_relay
Central computer component that executes instructions
circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. This role contrasts with
Central_processing_unit
Computer peripheral to collect telemetry data
analog input, (DI) digital (status) input, (DO/CO) digital (or control relay) output, or (AO) analog output card(s). An RTU might even be a small process
Remote_terminal_unit
Mechanical computer built by Konrad Zuse in the 1930s
was the first freely programmable computer in the world that used Boolean logic and binary floating-point numbers; however, it was unreliable in operation
Z1_(computer)
Feature that makes two mechanisms mutually interdependent
Software-based interlocks can be implemented by using computer logic or control logic such as Programmable Logic Controllers (PLCs). An industrial example of an interlock
Interlock_(engineering)
German automation technology company
control and monitoring devices and programmable logic controllers. In 1987 he launched safety relay PNOZ, an emergency stop system. PSS control systems
Pilz_(company)
American inventor of the digital computer
the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching element. Stibitz was born in York
George_Stibitz
English mathematician and philosopher (1815–1864)
equations and algebraic logic, and is best known as the author of The Laws of Thought (1854), which contains Boolean algebra. Boolean logic, essential to computer
George_Boole
English actor and filmmaker
Olympics Torch Relay. In 2014, Gilley ran in the Sochi 2014 Winter Olympics torch relay. In 2020, Gilley ran in the Tokyo 2020 Olympics torch relay. Gilley was
Jeremy_Gilley
The men's 4 × 100 metre freestyle relay event at the 2000 Summer Olympics took place on 16 September at the Sydney International Aquatic Centre in Sydney
Swimming at the 2000 Summer Olympics – Men's 4 × 100 metre freestyle relay
Swimming_at_the_2000_Summer_Olympics_–_Men's_4_×_100_metre_freestyle_relay
Use of pressurised gas in mechanical systems
Or units Relay or booster units Latching units Timer units Fluidics amplifiers with no moving parts other than the air itself Pneumatic logic is a reliable
Pneumatics
1936 military plot
and Queipo de Llano (Seville). None of the sources consulted explains the logic of a staggered schedule, which envisioned the revolt to begin in Morocco
Spanish military conspiracy of 1936
Spanish_military_conspiracy_of_1936
not to read one written by a woman because it's too hard to follow their logic. Jack has Ozzie buy a book written by Terry McDonald. At home, Harriet says
List of The Adventures of Ozzie and Harriet episodes
List_of_The_Adventures_of_Ozzie_and_Harriet_episodes
Active electronic circuit controlling the current through a load
disconnect paths for electrons to flow between two conductors. The traditional relay is an electromechanical switch that uses an electromagnet controlled by
Electronic_switch
1940 electromechanical computer
memory. In the Z2, he replaced the arithmetic and control logic with 600 electrical relay circuits, weighing over 600 pounds. The Z2 could read 64 words
Z2_(computer)
Comedy (2001) Queens of the Dead (2025) Queens of Langkasuka (2008) Queens Logic (1991) Queensland (1976) Queen's Evidence (1919) The Queen's Affair (1934)
List_of_films:_Q–R
Location identifier for a circuit component
Neon lamp PCB: Printed circuit board PLC: Programmable logic controller PU: Pickup RY, RLA: Relay SCR: Silicon-controlled rectifier SUS: Silicon unilateral
Reference_designator
CMOS-based electronic switch
A transmission gate (TG) is an analog gate similar to a relay that can conduct in both directions or block by a control signal with almost any voltage
Transmission_gate
time-delay relays, the later 246/247/248 family of advanced time-delay relays, the 255 Series of latching relays, the 311 Series of Sequence/stepper relays, the
Struthers-Dunn
American mathematician (1916–2001)
electrical engineering at MIT, his 1937 thesis, "A Symbolic Analysis of Relay and Switching Circuits", demonstrated that electrical applications of Boolean
Claude_Shannon
System that manages the behavior of other systems
controller. Logic control systems for industrial and commercial machinery were historically implemented by interconnected electrical relays and cam timers
Control_system
Control loop feedback mechanism
(changing parameters in different operating conditions), fuzzy logic, or computational verb logic. Further practical application issues can arise from instrumentation
PID_controller
First generation programmable computers
digital computers using vacuum-tube logic circuitry. They were preceded by systems using electromechanical relays and followed by systems built from discrete
List_of_vacuum-tube_computers
Five generation of a computer
Industry (MITI) to develop computers based on massively parallel computing and logic programming. The project aimed to create an "epoch-making computer" with
Fifth Generation Computer Systems
Fifth_Generation_Computer_Systems
Computation model defining an abstract machine
thesis, Turing built a digital (Boolean-logic) multiplier from scratch, making his own electromechanical relays (Hodges p. 138). "Alan's task was to embody
Turing_machine
Short story by Murray Leinster
the story, a logic (whom Ducky later calls Joe) develops some degree of sapience and ambition. Joe proceeds to switch around a few relays in "the tank"
A_Logic_Named_Joe
School in Oakville, Ontario, Canada
Star. p. W2. Hudson, Kellie (October 19, 1989). "Building school "defies logic," taxpayers say". Toronto Star. p. W1. Nikiforuk, Andrew (November 8, 1991)
Oakville Trafalgar High School
Oakville_Trafalgar_High_School
South Korean producer (born 1970)
to the Chinese language, while subsequent episodes featured physical and logic-based games. Unfortunately, due to poor ratings, Are You Ready? was discontinued
Lee_Myung-han
Topics referred to by the same term
refer to: Run Length Limited, an encoding scheme for disk drives Relay Ladder Logic, a programming language for industrial control Radio Local Loop, same
RLL
Graphical set representation involving overlapping shapes
Mathematical Logic, 1879–1931, Harvard University Press, Cambridge, MA, ISBN 0-674-32449-8 (pbk.) Claude E. Shannon 1938 "A Symbolic Analysis of Relay and Switching
Euler_diagram
sentiment Emotions, particularly gentle emotions, exist separately from logic or judgment, and are often seen as weak or foolish; Originating from emotions
Glossary of early twentieth century slang in the United States
Glossary_of_early_twentieth_century_slang_in_the_United_States
Process control systems and associated instrumentation
combinatorial and sequential logic was the primary requirement, the PLC evolved out of a need to replace racks of relays and timers used for event-driven
Industrial_control_system
accountancy business Grant Thornton, is established in Oxford. Approximate date: Logic Lane covered bridge built for University College. 1905 – Order of Friars
Timeline_of_Oxford
Sequence of operations for a task
Baudot code on tape. Telephone-switching networks of electromechanical relays were invented in 1835. These led to the invention of the digital adding
Algorithm
Mathematical model of computation
may be built using a programmable logic device, a programmable logic controller, logic gates and flip flops or relays. More specifically, a hardware implementation
Finite-state_machine
Allen Clark Research Centre, and new chemical compounds for computer chip; logic programming and heuristics; the European Eureka Prometheus Project, an expert
List_of_Equinox_episodes
RELAY LOGIC
RELAY LOGIC
Girl/Female
Tamil
Vivikta | விவிகதா
Distinguished, Pure, Deep, Logically intelligent
Vivikta | விவிகதா
Girl/Female
Hindu
Trick, Power, Strategy, Solution by logic, By reasoning
Girl/Female
Hindu
Distinguished, Pure, Deep, Logically intelligent
Biblical
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Boy/Male
Hindu
Love and kindness, Analytical, Logical
Female
English
English unisex form of Hebrew Terach, TERAH means "delay" and "station." In the bible, this is the name of a place in the wilderness where the Israelites stopped on their Exodus. It is also the name of the father of Abraham.
Boy/Male
Gujarati, Hindu, Indian
Gods Third Eye; Relax Eyes; Relate to Eye
Girl/Female
Hindu
Distinguished, Pure, Deep, Logically intelligent
Female
English
(תֶּרַח) English feminine form of Hebrew Terach, TARAH means "delay" and "station." In the bible, this is the name of a place in the wilderness where the Israelites stopped on their Exodus. Variant spelling of English Tara, meaning "hill."Â
Girl/Female
Tamil
Trick, Power, Strategy, Solution by logic, By reasoning
Girl/Female
Tamil
Trick, Power, Strategy, Solution by logic, By reasoning
Male
Hebrew
(תֶּרַח) Hebrew name TERACH means "delay" and "station." In the bible, this is the name of a place in the wilderness where the Israelites stopped on their Exodus. It is also the name of the father of Abraham.
Girl/Female
Hindu, Indian, Tamil
Realy Smart
Surname or Lastname
English
English : variant of Rye 1 and 2.
Girl/Female
Indian, Telugu
Wish; Relax
Male
English
Anglicized unisex form of Hebrew Terach, TERAH means "delay" and "station." In the bible, this is the name of a place in the wilderness where the Israelites stopped on their Exodus. It is also the name of the father of Abraham.
Girl/Female
Tamil
Viviktha | விவீகà¯à®¤à®¾Â
Distinguished, Pure, Deep, Logically intelligent
Viviktha | விவீகà¯à®¤à®¾Â
Boy/Male
Tamil
Full of feathers, Full of logic, Name of sage, Vatsyayan
Boy/Male
Indian
Intelligent, Logical
Male
English
Anglicized form of Hebrew Terach, TAHATH means "delay" and "station." In the bible, this is the name of a place in the wilderness where the Israelites stopped on their Exodus.Â
RELAY LOGIC
RELAY LOGIC
Boy/Male
Arabic, Muslim
Founder of Modern Turkey
Boy/Male
German, Irish, Norse, Scandinavian
Ancestral Heritage; Relic
Boy/Male
Australian, Celtic, Christian, Danish, Finnish, Irish, Latin, Swedish
Young Deer; Little Deer; Dear
Girl/Female
Muslim
Surname or Lastname
English
English : variant of Humphries.
Girl/Female
Hindu, Indian
Worshipped
Girl/Female
Muslim
Abstinent
Girl/Female
Afghan, Australian
Flower
Girl/Female
Tamil
Deepashri | திபஷà¯à®°à¯€Â
Light, Lamp
Boy/Male
British, English
From the Spring-fed Stream
RELAY LOGIC
RELAY LOGIC
RELAY LOGIC
RELAY LOGIC
RELAY LOGIC
n.
A supply of hunting dogs or horses kept in readiness at certain places to relive the tired dogs or horses, and to continue the pursuit of the game if it comes that way.
v. i.
To remit attention or effort; to become less diligent; to unbend; as, to relax in study.
p. pr. & vb. n.
of Relay
n.
To make less severe or rigorous; to abate the stringency of; to remit in respect to strenuousness, earnestness, or effort; as, to relax discipline; to relax one's attention or endeavors.
imp. & p. p.
of Relay
v. t.
To lay again; to lay a second time; as, to relay a pavement.
n.
To make lax or loose; to make less close, firm, rigid, tense, or the like; to slacken; to loosen; to open; as, to relax a rope or cord; to relax the muscles or sinews.
n.
A number of men who relieve others in carrying on some work.
n.
Delay.
p. pr. & vb. n.
of Repay
n.
A supply of horses placced at stations to be in readiness to relieve others, so that a trveler may proceed without delay.
n.
Retardation; delay.
v. t.
To pay back; to refund; as, to repay money borrowed or advanced.
v. t.
To make return or requital for; to recompense; -- in a good or bad sense; as, to repay kindness; to repay an injury.
n.
A supply of anything arranged beforehand for affording relief from time to time, or at successive stages; provision for successive relief.
n.
Delay; esp., culpable delay; postponement.
imp. & p. p.
of Repay
n.
In various forms of telegraphic apparatus, a magnet which receives the circuit current, and is caused by it to bring into into action the power of a local battery for performing the work of making the record; also, a similar device by which the current in one circuit is made to open or close another circuit in which a current is passing.
v. i.
To become lax, weak, or loose; as, to let one's grasp relax.