(1)VW3A3401 & VW3A3402 are Encoder interface card with RS422 compatible differential outputs.
It can be substitute by VW3A3420 for ATV930 drives.
VW3A3420 module accepts differential signals only (RS422).
(2)VW3A3403 & VW3A3404 is the Encoder interface cards with open collector outputs.
It can be substitute by VW3A3424 for ATV930 drives
(3)VW3A3405, VW3A3405 and VW3A3405 are Encoder interface cards with push-pull outputs.
It can be substitute by VW3A3424 for ATV930 drives.

Released for: Schneider Electric India