Issue:
How can I program the drive to use logic inputs to speed up and down the motor?

Product line:
Altivar 312  

Environment:  
All models, all serial numbers

Resolution:
Program the following parameters
Under CTL menu:
LAC= L2 or L3    (hold for 3 seconds)  Access Level
Under FUN menu, UPD-
rFC= Fr2                      Ref. 2 switching
USP= LI3                     (+) speed assign.
dSP= LI4                     (-) speed assign.
Fr2= Updt                    Reference 2 Channel 
When LI3 is enabled the motor will speed up.
When LI4 is enabled the motor will slow down.