Yokogawa S2BN1D-19030 Node Interface Unit

Overview The S2BN1D-19030 NIU is an industrial network interface unit that plays a critical role in facilitating communication between a Safety Control Unit and an I/O unit for N-IO, as well as enabling communication between multiple NIUs. It is designed to support efficient data transfer and power supply to I/O units, ensuring smooth operation in safety-critical automation systems. Specifications Input Voltage: 100 to 240 V AC or 24 V DC Output Power Supply Units: S2PW503 or S2PW504 N-ESB Bus Modules: 2 N-ESB Bus Interface: 1 port for uplink and downlink Number of I/O Unit for N-IO Connections: Supports up to 6 units External Alarm Input: Pressure clamp terminal (2-poles) Maintenance Port: Micro-USB Mounting Type: DIN rail mount or wall mount (vertical only) Withstanding Voltage: 1500 V AC for 1 minute (100 to 240 V AC), or 500 V AC for 1 minute (24 V DC) Insulation Resistance: 50 MΩ or more at 500 V DC