Technical Specifications Module Type: Combined Digital Input / Output Module Channel Configuration: 24 digital input channels, 8 digital output channels Input Signal: Dry‑contact / DC voltage discrete input Output Type: Galvanic‑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 combined discrete I/O module compliance
Functional Features 24‑channel isolated discrete signal acquisition together with 8‑channel isolated discrete control output. Configurable input filter time suppresses field contact bounce and interference pulse. Supports configurable fail‑safe output state for system fault and communication‑failure scenarios. Built‑in channel fault diagnosis monitors input‑output loop abnormal conditions. Redundant fieldbus communication ensures reliable status upload and control command transmission. Hot‑swappable module structure supports convenient on‑site hardware replacement.
Application Scenarios Widely used in petrochemical, chemical and power‑plant DCS control cabinets. Applied for local equipment sub‑loop control, collecting valve feedback, equipment running status switch‑value signals, outputting interlock control signals for solenoid valves and intermediate relays.
Structural Characteristics Compact 200‑series modular housing for baseplate mounting. Gold‑plated bottom connector for electrical connection with DIN‑rail baseplate. Front‑panel LED indicators for power, bus communication, input‑output channel status and fault alarm. Matches dedicated termination assembly for field discrete signal wiring conversion.
Working Principle Field discrete input signals are transmitted to FBM219 through termination assembly. After isolation and filter processing, module collects channel on‑off status and uploads data to field control processor via redundant fieldbus.
Installation Requirements Install supporting baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM219 onto baseplate and lock mechanical buckle. Complete field input‑output signal wiring on matched termination assembly terminals.
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