Publication 1756-UM523F-EN-P - December 2006
68 Configure and Program the Controller
The controller sets up the quarantine area at the time of download:
• The controller divides its memory into two sections:
– tags, including a quarantine area
– logic
• The controller also divides its unused memory. It reserves a
specific amount for tags that you create while online. The rest
for logic.
You configure how to reserve unused memory between tags and
logic. You do this online in program mode.
Reservation of Unused Memory
Configure a Controller for
Redundancy
1. Open or create the RSLogix 5000 project.
2. On the Online toolbar, click the controller button.
Does General display the controller type?
• If no, go to step 3.
• If yes, go to step 6.
3. Click the Change Type button.
4. Select your controller.
5. Click OK.
6. Select Redundancy.
If you plan to Then Notes
While online, create roughly the same amount of new
tags and new logic
Leave the default setting.
While online, create a relatively large amount of new
tags but a much smaller amount of new logic
Drag to slider toward Tags. Avoid setting the slider all the way to Tags:
• You will be unable to perform online edits.
• OPC communications may error or fail.
While online, create a relatively large amount of new
logic but a much smaller amount of new tags
Drag to slider toward Logic. Avoid setting the slider all the way to Logic;
you will be unable to create tags while online.
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