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PROGRAMMABLE LOGIC CONTROLLER. PLC. Siemens. Schneider. Wago. Expansion modules. Schneider. Premium. Quantum. Siemens. S7-300. S7-400. Read all Inputs IO, network. Application. OS tasks. PLC cycle. Process Cycle (Cst : MAX). Process time. in. out. in. out. Instructions.

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Programmable logic controller
PLC

Siemens

Schneider

Wago

IT-CO


Expansion modules
Expansion modules

Schneider

Premium

Quantum

Siemens

S7-300

S7-400

IT-CO


Plc cycle

Read all Inputs

IO, network..

Application

OS tasks

PLC cycle

Process Cycle (Cst : MAX)

Process time

in

out

in

out

Instructions

Instructions

Write all Outputs

IO, network..

Time

IT-CO


Languages
Languages

  • LL984 - Traditional ladder logic is an easy-to-use graphical programming language that implements relay-equivalent symbol. 

The IEC 61131-3 standard

IT-CO


Programmable logic controller

FDB : Function Block Diagram - Continuous control and/or discrete control (box)

  • ST: Structured Text - Equations, table manipulation, complex algorithms (If/Then)

IT-CO


Programmable logic controller

  • SFC : Sequential Function Chart -A graphical method of representing a sequential control system (stepper)

IT-CO


Programmable logic controller

IT-CO assembly language)


Programming tools
Programming tools assembly language)

  • Siemens : Step7

  • Schneider : PL7, Concept (UNITY)

  • Wago: Wago-IO-Pro

  • !!! For Siemens, Schneider : Add-on Software

IT-CO


Url contact
URL/Contact assembly language)

Email Contact

Itcontrol@cern.ch (helpdesk managed by IT/CO)

URL CERN

http://itco.web.cern.ch/itco/

http://controls.web.cern.ch/Controls/

URL Manufacturer

https://mall.ad.siemens.com

http://www.wago.com

http://www.modicon.com/Default.htm

http://194.2.245.4/schneider.htm

IT-CO


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