GE System I/O

1
GE System I/O

• MAIN 222
• Industrial Controllers

2
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

3
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

4
Contacts

• Types of Coils
• Unit 9-5 HO
• Retentive
• Non-retentive
• Power Off then Back On Stays the Same That is
  Retentive
• SET
• RESET

5
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

6
Relay Elements

• Unit 9-7
• Go over 9-8 Example

7
Addressing Systems

• Siemens
• E In
• A Out
• GE
• I In
• QOut
• TI
• X In
• Y Out

8
Write A logic Program
9
Writing Programs Basics
10
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