Technical Specifications 2.1 Communication Parameters Supported Industrial Protocols: PROFINET V2.3, EtherCAT, EtherNet/IP (rotary switch configurable) Transmission Rate: 10/100 Mbps auto-negotiation Bus Interface: 2 × M12 4-pin D-coded female (BUS-IN / BUS-OUT) Topology: Daisy chain, star topology; PROFINET supports IRT real-time communication Supported Functions: DHCP, DCP, SNMP, HTTP, DLR ring redundancy (EtherNet/IP) 2.2 Electrical I/O Parameters Rated Supply Voltage: 24 V DC (19～30 V DC) Total Power Consumption: ≤12 W I/O Configuration: 8DI + 8DO (each M12 port: 1DI + 1DO) Digital Input: IEC 61131-2 Type 1; Input High＞11V DC, Input Low＜5V DC; typical input current 5mA Digital Output: PNP sourcing output; max. 0.5A per channel, total maximum output current 9A Protection: Per-channel short-circuit protection, overload protection, reverse polarity protection Indicator: RUN/ERROR module LED; yellow signal LED + red fault diagnosis LED for each channel 2.3 Interface Configuration I/O Ports: 8 × M12 5-pin A-coded female sockets Power Interface: 7/8" 5-pin male (AUX-IN) + 7/8" 5-pin female (AUX-OUT) Bus Ports: 2 × M12 4-pin D-coded female sockets 2.4 Mechanical & Environmental Specifications Protection Grade: IP67 Housing Material: Die-cast zinc alloy with matte nickel surface Overall Dimension: W78 mm × H17.3 mm × D206 mm Net Weight: 520 g Mounting: Direct surface mounting via 2×M4 screws, tightening torque 1 N·m Operating Temperature: -40 ℃ ～ +70 ℃ Storage & Transport Temperature: -40 ℃ ～ +85 ℃ Ambient Humidity: 5%～95% RH, non-condensing Vibration Resistance: 15g (5～500Hz); Shock Resistance: 50g/11ms Pollution Degree: 3, Overvoltage Category: II 2.5 Certifications & Compliance Certifications: CE, cULus (UL508), RoHS Compliant EMC Standards: IEC 61000-6-2, IEC 61000-6-4