Technical Specifications Module Type: Combined Digital Input / Output Module Channel Configuration: Multi‑channel digital input + multi‑channel digital output Signal Type: Dry‑contact discrete input, isolated discrete 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 I/O module compliance
Functional Features Integrated digital input acquisition and digital control output functions in single module. Configurable input filter time suppresses field signal jitter interference. Supports configurable fail‑safe output state under fault or communication failure condition. Built‑in channel fault diagnosis for input and output loop abnormal status. Redundant fieldbus communication ensures reliable data and command transmission. Hot‑swappable module structure for convenient on‑site maintenance replacement.
Application Scenarios Applied in petrochemical, chemical industry DCS control cabinets. 
Structural Characteristics Compact 200‑series combined‑I/O module housing, hardware part number P0914TR. Gold‑plated bottom connector for electrical connection with DIN‑rail baseplate. Front‑panel LED indicators for power, bus communication, input and output channel status. Cooperates with matched termination assembly for field input‑output signal wiring conversion.
Working Principle Field discrete input signal is transmitted to module through termination assembly. After filter and isolation processing, module collects switch‑on‑off status and uploads data to control processor via redundant fieldbus. Control command sent by processor is received by module, converted into discrete output driving signal and transmitted to field actuators. Module diagnoses each channel status.
Installation Requirements Mount matched baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM217 P0914TR onto baseplate and lock mechanical buckle. Complete field input‑output signal wiring on corresponding termination assembly terminals. Connect redundant fieldbus cable between baseplate and field control processor. Configure input filter and output fail‑safe parameters in DCS configuration software after power‑on.
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