Technical Specifications Module Type: 16‑Channel Galvanically Isolated Digital Output Module Channel Quantity: 16 digital output channels Output Type: Isolated discrete DC output Channel Isolation: Per‑channel galvanic isolation Communication Interface: Redundant I/A fieldbus Operating Power: 24 VDC Operating Temperature: 0 °C to +60 °C Storage Temperature: −40 °C to +85 °C Relative Humidity: 5%‑95%, non‑condensing Mounting: DIN‑rail baseplate installation Certifications: CE industrial high‑density discrete output module compliance
Functional Features Sixteen‑channel galvanic‑isolated discrete digital control output. Configurable fail‑safe output state for system fault and communication‑failure scenarios. Built‑in channel‑load fault diagnosis reports output‑loop abnormal status. Redundant fieldbus communication ensures reliable transmission of control commands. Hot‑swappable module structure for convenient on‑site maintenance replacement.
Application Scenarios Widely used in petrochemical, chemical and power‑plant DCS control cabinets. Executes safety interlock output and equipment on‑off control for field solenoid valves, intermediate relays and motor auxiliary control loops.
Structural Characteristics Compact 200‑series high‑density modular housing with full reference part number RH916YY. Gold‑plated bottom connector for electrical connection with DIN‑rail baseplate. Front‑panel LED indicators for power, bus communication and channel‑output status and fault alarm. Matches dedicated termination assembly for field discrete‑actuator wiring conversion.
Working Principle Field control processor sends digital control commands to FBM242 RH916YY via redundant fieldbus. Internal circuit completes signal isolation and power driving, outputs corresponding on‑off status for each channel. Control signals pass through baseplate and termination assembly to field discrete actuators. Module monitors output‑channel load condition and uploads fault diagnostic information. When communication fails, module executes pre‑configured fail‑safe output state.
Installation Requirements Install supporting baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM242 RH916YY onto baseplate and lock mechanical buckle. Complete field‑actuator wiring on matched termination assembly terminals. Connect redundant fieldbus cable between baseplate and field control processor. Configure channel fail‑safe state parameters in DCS configuration software after power‑on.
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