SV3000 U side (2 to 10 stations) D side (2 to 10 stations) Both sides (2 to 20 stations) Symbol 02 Stations Note 2 stations Double wiring Note 1) w SI unit specifications 16 02 16 stations y SUP/EXH block assembly 2 stations Symbol Communication connector Number of outputs Specified layout Note 2) (Available up to 32 solenoids) Protocol Nil R Internal pilot External pilot 20 0 QA QB NA NB NC ND