Model Number: -NA vs -NB and -NC feature differences

The label on the side of an AKD will indicate a model number. Each model number has extension -NA, -NB, or -NC. 

Models with extension -NB or -NC support the following features which are not supported on -NA models.

• Hiperface DSL and SFD Gen3 feedback types
• Compare Engines
• Tertiary feedback "Endat 2.2" over X9
• Dual edge latching 
• Multiturn overflow

-NA Hardware does not support firmware versions ≥ 01-15-00-001.