BECKHOFF KM1644 4 Auala Fa'afuainumera Fa'aoga 24 V DC Fa'atonu Pasi Fa'atonuga Fa'atonuga.
Saili le KM1644 4 Channel Digital Input 24 V DC Bus Terminal Module tusi lesona. A'oa'o e uiga i ona foliga, faiga fa'apipi'i, ta'iala fa'agaioiga, ma fa'amatalaga fa'apitoa mo le tu'ufa'atasiga lelei i lau masini.