Rockwell Automation Publication 1756-RM100F-EN-P - October 2018 37
Replacement Considerations with ControlLogix 5580 and GuardLogix 5580 Systems Chapter 2
Controller Reset
You can clear the program from memory on the 5570 controllers. On 5580
controllers, you can clear the program from memory and reset the controller to
factory default settings.
5570 Controllers
Clearing the program from the on-board NVS memory on the
5570 controllers and the 1756-L7SP Safety Partner, involves removing the
Energy Storage Module.
For information on how to perform this procedure, see Knowledgebase
Answer ID 450803, 1756-L7x: Clearing Memory/Resetting Processor to
Factory Default, accessible at https://rockwellautomation.custhelp.com
'
5580 Controllers
You can clear the program from memory and reset the 5580 controllers and the
1756-L8SP Safety Partner with the reset button.
For information on how to use the reset button, see the ControlLogix 5580
and GuardLogix 5580 Controllers User Manual, publication 1756-UM543
.
IMPORTANT When you clear the program on a GuardLogix 5570 Controller, you must also
clear the 1756-L7SP Safety Partner.
ControlLogix and GuardLogix 5580
controllers Reset Button
1756-L8SP Safety Partner
Reset Button
WARNING: When you press the reset button while power is on, an Electric
Arc can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed or the area is nonhazardous
before proceeding.
IMPORTANT In a SIL 3 application, when you reset the GuardLogix 5580 Controller you
must also reset the 1756-L8SP Safety Partner.
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