SIPLUS ET 200SP. digital input modul. DI 8x DC 24V SRC BA. -40...+70 C with conformal coating based on 6ES7131-6BF61-0AA0 . type 1 (IEC 61131). source Input (NPN. M-reading) Packing unit 1 piece. fits to BU-type A0. Colour Code CC02. inputdelay time 0.05..20ms. module diagnostics for supply voltage