Technical Specifications Module Type: SOE‑capable Digital Input Module Channel Quantity: 16 digital input channels Input Signal: Dry‑contact / DC voltage discrete input SOE Time‑stamp Resolution: Millisecond‑level event recording Channel Isolation: Per‑channel galvanic isolation Communication: 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 DCS I/O module compliance
Functional Features Sixteen‑channel galvanic‑isolated discrete switch‑value signal acquisition. High‑precision SOE sequence‑of‑event timestamp recording for channel status change. Configurable input filter time suppresses field signal jitter interference. Built‑in channel fault diagnosis reports circuit abnormal condition. Redundant fieldbus communication ensures reliable transmission of status and event data. Hot‑swappable module design for convenient on‑site maintenance replacement.
Application Scenarios Mainly used in power plant, petrochemical DCS control system. Collects circuit‑breaker auxiliary contact, interlock protection action, valve status switch signals, records sequence‑of‑event for equipment action and fault tripping, provides original data for accident analysis.
Structural Characteristics Compact 200‑series module housing for baseplate mounting. Gold‑plated bottom connector for connection with DIN‑rail baseplate. Front‑panel LED indicators for power, bus communication and channel fault status. Matches dedicated termination assembly for field discrete signal wiring conversion.
Working Principle Field discrete switch‑value signal is transmitted to FBM207C module via termination assembly. After isolation and filter processing, module monitors each channel status change in real‑time. When switch status toggles, module captures and stores high‑precision SOE timestamp. Switch status and event timestamp data are uploaded to DCS control processor through redundant fieldbus.
Installation Requirements Install supporting baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM207C onto baseplate and lock mechanical buckle. Connect field discrete signal wiring to matched termination assembly terminals. Complete redundant fieldbus cable connection. Activate SOE recording function and configure filter parameters in DCS configuration software.
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