Siemens PPX:505-4308 Digital Input Module is an 8-channel, single-wide I/O card for TI505 PLC systems that provides eight 24 V DC inputs. The inputs accept ON in the 14–30 V DC range and OFF in the 0–5 V DC range, drawing 2–15 mA when ON and up to 0.5 mA when OFF, with a through-module delay of 3.0–10 ms. The module draws about 2.0 W from the base and is rated for 24 V DC input operation. It is used to interface sensors and switches with TI505 automation networks, delivering reliable discrete signal monitoring in industrial control applications.
