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GE System I/O . MAIN 222 Industrial Controllers. Introduction . See Unit 4 Course Manual Info %I is an input %Q is an output %M is an internal bit An internal bit is a contact or location that is memory / virtual in nature. Contacts.

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GE System I/O

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Ge system i o l.jpg

GE System I/O

MAIN 222

Industrial Controllers


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Introduction

  • See Unit 4 Course Manual Info

    • %I is an input

    • %Q is an output

    • %M is an internal bit

      • An internal bit is a contact or location that is memory / virtual in nature


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Contacts

  • A contact is used to monitor the state of a machine or internal reference.

    • Whether or not the contact passes “flow” depends on status of the reference being monitored and type of contact.

      Normally Open = Reference is On 1

      Normally Closed = Reference is Off 0


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Contacts

  • Types of Coils

    • Unit 9-5 HO

      • Retentive

      • Non-retentive

  • Power Off then Back On Stays the Same That is Retentive

    • SET

    • RESET


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Types Of Contacts

  • %Q

    • Discrete machine outputs

    • Non-Duplicated

  • %M

    • Internal Discrete References

    • Not Retentive

    • Can be Duplicated

  • %T

    • Temporary Internal References

    • Not Retentive

    • Can be Duplicated


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Relay Elements

  • Unit 9-7

  • Go over 9-8 Example


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Addressing Systems

  • Siemens

    • E = In

    • A = Out

  • GE

    • I = In

    • Q=Out

  • TI

    • X = In

    • Y = Out


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Write A logic Program


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Writing Programs Basics


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Where to Get More Information

  • See Web Site

  • VersaPro 2.02/3 users guide

  • Unit 2,4,9 from Series 90-30 Course Manual HO


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