Technical Specifications Fieldbus communication interface, galvanic isolation design. Auxiliary power supply 24 V DC. Typical power consumption 4.5 W. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Module surface IP20. Complies with corresponding fieldbus industrial standards.
Functional Features Realizes data communication between controller and fieldbus intelligent instruments. Provides electrical isolation for fieldbus loop. Front‑panel LED indicates communication and channel fault status. Executes communication data processing and error detection. Supports back‑plane bus connection with controller.
Application Scenarios Applied for fieldbus instrument networking in chemical, petrochemical and power‑plant process control systems. Used for automation project construction and spare‑part replacement.
Performance Parameters Fieldbus communication maintains stable data transmission. Isolation circuit suppresses common‑mode interference. Error detection function identifies communication frame abnormality. LED feeds back link running state accurately.
Material Composition Glass‑fiber epoxy printed circuit board. Fieldbus protocol processing chip, isolation and drive components. Reinforced plastic module housing. Screw‑type fieldbus wiring terminals. Copper‑alloy back‑plane plug‑in contact pieces.
Structural Characteristics Standard rack‑mount plug‑in module structure. Front panel arranges communication status LED indicators. Rear side connects rack back‑plane bus. Module width 25 mm, height 130 mm, depth 120 mm. Weight approximately 0.46 kilogram.
Working Principle After power‑on, module completes hardware self‑check and communication initialization. It exchanges data with controller via back‑plane bus. Communication signal passes isolation and drive circuit to interact with fieldbus field devices.
Installation Requirements Insert module into specified rack slot and lock fastening screw. Connect 24 V DC auxiliary power supply. Complete fieldbus cable wiring strictly follow fieldbus engineering specification. Guarantee cabinet protective grounding.
Usage Notes Take anti‑static measures during handling. Hot‑swap under powered condition is forbidden. Fieldbus cable shall adopt specified shielding cable. Do not exceed maximum allowable bus segment length. Periodically inspect terminal and shielding grounding condition.
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