Technical Specifications Flat‑cable multi‑pin interface, multi‑channel field signal screw‑type terminals. No independent power supply. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%.
Functional Features Converts compact flat‑cable interface into open screw‑type field wiring terminals. Realizes one‑to‑one signal transmission without signal processing change. Convenient for field wiring, debugging and maintenance.
Application Scenarios Spare signal transition terminal unit for ABB I/O module. Applied in DCS cabinet field signal wiring transition occasion.
Performance Parameters Low‑loss multi‑channel signal transmission performance. Reliable screw‑terminal connection characteristic.
Material Composition Flame‑retardant plastic housing. Multilayer signal printed circuit board. Flat‑cable multi‑pin connector and field‑side screw‑type wiring terminals. DIN‑rail fixing buckle.
Structural Characteristics Compact DIN‑rail module structure. One side is flat‑cable connector, the other side is multi‑group screw‑type wiring terminals. Rear side equipped with DIN‑rail buckle.
Working Principle Field signal cable connects to screw terminals of TU515. Internal circuit completes one‑to‑one signal conduction, transmits field signal to I/O module through flat cable.
Installation Requirements Disconnect related signal power before replacement. Snap TU515 onto standard DIN‑rail inside cabinet. Connect flat cable between TU515 and I/O module. Connect field signal cable to screw terminals. Restore system power supply, verify each signal channel transmission condition.
Usage Notes Flat cable must be fully inserted and locked. Hot‑plug under powered condition is prohibited. Tighten each terminal screw.
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