Technical Specifications Module Type: HART‑capable Analog Output Module Channel Quantity: 8 analog output channels Output Signal: 4‑20 mA DC with superimposed HART digital signal Channel Isolation: Galvanic isolation per output channel Communication Interface: Redundant I/A fieldbus, HART protocol support 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, HART protocol compliance certification
Functional Features Eight‑channel isolated 4‑20mA analog output with HART signal superposition function. Supports HART remote parameter setting and diagnostic information interaction with HART valve positioners. Output hold function maintains last output value under fieldbus communication failure condition. Built‑in channel load fault diagnosis for output loop abnormal state. Redundant fieldbus communication supports automatic master‑standby switching. Hot‑swappable module structure for on‑site maintenance replacement.
Application Scenarios Applied in petrochemical and chemical DCS control cabinets. Matches HART intelligent valve positioners and analog actuators, completes process flow, pressure closed‑loop regulation and remote HART instrument parameter management.
Structural Characteristics Compact 200‑series module housing for baseplate mounting. Gold‑plated bottom connector for electrical connection with DIN‑rail baseplate. Front‑panel LED indicators for power, bus communication and channel fault alarm status. Cooperates with matched termination assembly for HART actuator wiring conversion.
Working Principle DCS field control processor sends digital control command and HART instruction to FBM215 module via redundant fieldbus. Internal D/A circuit converts digital command into 4‑20mA analog output, HART digital signal is superimposed onto analog loop. Composite signal is transmitted to HART valve positioner through termination assembly. Module monitors output loop load status and uploads diagnostic information.
Installation Requirements Mount matched baseplate on standard 35 mm DIN‑rail inside control cabinet. Insert FBM215 onto baseplate and lock mechanical buckle. Connect HART intelligent actuator wiring to corresponding termination assembly terminals.
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