DM900HU (FBM26) is a high-performance fieldbus I/O module for Foxboro I/A Series DCS system. It is specially designed for industrial process control, used for field signal acquisition and control output, and suitable for harsh industrial environments. Core Features Model: DM900HU (FBM26) Type: Fieldbus I/O module, supports multi-channel signal isolated acquisition and output. Compatibility: Matches Foxboro I/A Series 100/200 series FBM modules, can expand up to 128 fieldbus modules, seamlessly connected to I/A system. Communication: Built-in 100Mbps Ethernet, supports copper and fiber connection for high-speed data transmission. Reliability: 250VAC isolation between channels, supports redundant hot backup and hot swap online replacement, with built-in fault self-diagnosis function. Environment: Industrial wide temperature design from 0°C to +55°C, dustproof and anti-interference, widely applied in chemical, power, water treatment and other industries. Power supply: 24VDC ±10%, low power consumption ≤4W.