Technical Specifications Module Type: 8‑Channel Isolated Analog Input Module Channel Quantity: 8 channels Input Signal: 0‑20 mA DC two‑wire transmitter input Channel Isolation: Galvanic isolation between each channel Communication: Redundant I/A series 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: Install on matched FBM baseplate, DIN‑rail mounting Certifications: CE industrial automation module compliance
Functional Features Eight independent galvanic‑isolated analog input channels for field transmitter signal acquisition. Supports HART signal transparent transmission for HART‑capable field transmitters. Built‑in channel fault diagnosis for open‑loop and short‑circuit abnormal condition. Redundant fieldbus communication supports automatic master‑standby switching. Hot‑swappable module design, can replace module without cutting off field wiring.
Application Scenarios Widely used in petrochemical, chemical, water‑treatment industrial DCS control cabinets. Cooperates with two‑wire pressure, flow and liquid‑level transmitters to complete process analog signal collection.
Structural Characteristics Compact 200‑series small‑size module housing. Gold‑plated bottom connector for electrical connection with baseplate. Front‑panel LED indicators for power, bus communication and channel fault status. Installs on DIN‑rail mounted baseplate assembly.
Working Principle Field two‑wire transmitter analog current signal passes through baseplate to FBM201 RH914SQ module. Internal circuit completes signal isolation and A/D conversion, converts analog quantity into digital data. Digital information is transmitted to field control processor via redundant fieldbus, fault diagnostic information is uploaded simultaneously.
Installation Requirements Mount matched baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM201 RH914SQ module onto baseplate and lock mechanical buckle. Connect field transmitter signal wiring to corresponding termination assembly terminals. Complete redundant fieldbus cable connection between baseplate and control processor. Set channel signal parameters in DCS configuration software after power‑on.
Usage Notes Confirm two‑wire transmitter loop power supply configuration before commissioning.
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