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On ATV320 drive, what would cause register 5202 reading logic input status LI6 not to turn on?

Issue:
On ATV320 drive, what would cause register 5202 reading logic input status LI6 not to turn on?

Product Line:
ATV320 drive

Environment:
All 

Cause:
LI6 status is not showing up on register 5202 logic input status. 

Resolution:
Reading address 5202 over Canopen or modbus and bit 5 for LI6 is not turning on. 

Checked PTC assignment and its NO

Checked with a meter and com to LI6= 24vdc  

Check the status of Sw1 make sure its source.  

Check the status of Sw2 make sure its Logic input not PTC.
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