4-3 Functions When Multi-function Feedback Option Board (3G3AX-PG01) Is Used •Mode 0: Pulse train with 90 ° phase difference 4 •Mode 1: Forward/Reverse command + Pulse train Functions SAP (Pulse train input) SAN SBP (Forward/Reverse command) SBN Detected pulses Time •Mode 2: Forward pulse train + Reverse pulse train SAP (Forward pulse train input) SAN SBP (Reverse pulse train input) SBN Detected pulses Time 4-121 SAP SAN (Pulse train input) SBP SBN (Pulse train input) D etected pulses Forward Reverse Time rward Fo put ) rd R Fo rwa rd evers mand) Forward Reverse input) Forward Reverse