Technical Specifications Multi‑channel signal terminals, isolated communication interface. Auxiliary power supply 24 V DC. Typical power consumption 4.2 W. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Channel isolation voltage 1500 V AC. Protection grade IP20.
Functional Features Provides field signal wiring terminals. Executes signal conditioning and galvanic isolation for communication bus signals. Front‑panel LED reflects power, running and communication status. Built‑in hardware self‑diagnosis function. Realizes stable signal transition between internal back‑plane bus and field communication cable.
Application Scenarios Applied for DCS and PLC automation projects in power, chemical and metallurgical industries. Used for on‑site communication signal wiring transition and spare‑part replacement.
Performance Parameters Isolation circuit suppresses field‑side electromagnetic interference. Signal conditioning guarantees stable bus communication quality. LED indicators give real‑time running state feedback.
Material Composition Glass‑fiber epoxy printed circuit board. Signal conditioning and isolation components. Reinforced plastic housing. Screw‑type wiring terminals. Copper‑alloy back‑plane plug‑in contact pieces.
Structural Characteristics Rack‑mount plug‑in unit structure. Front panel arranges LED indicators and signal terminals. Rear side connects rack back‑plane bus. Weight approximately 0.40 kilogram.
Working Principle After power‑on, unit completes hardware self‑check. Internal circuit receives bus data from back‑plane bus, performs signal conditioning and isolation, then outputs to field communication cables. Field‑side signals go through isolation and conditioning circuit and transmit to controller via back‑plane bus. Diagnosis circuit monitors hardware and link status continuously.
Installation Requirements Insert TC630 unit into designated rack slot and tighten locking screw. Connect 24 V DC auxiliary power supply. Complete field communication cable wiring strictly follow engineering drawing. Ensure cabinet protective grounding. Check LED status after power‑on and verify communication link.
Usage Notes Implement anti‑static measures during handling. Use matched shielded cables for field communication. Do not exceed signal voltage rating. Periodically inspect terminal tightening condition.
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