Technical Specifications Rack back‑plane bus connector, multi‑channel screw‑type field signal terminals, module locking mechanism. Operating power supplied by rack back‑plane bus. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%.
Functional Features Provides fixed mounting seat for corresponding digital input module. Builds electrical connection between I/O module and rack back‑plane bus. Supplies screw terminals for field digital signal wiring.
Application Scenarios Spare terminal base for ABB process control rack. Deployed in industrial control cabinets for digital switching signal acquisition from field sensors and switches.
Performance Parameters Reliable mechanical locking and contact performance. Stable signal transmission between field side and control bus.
Material Composition Flame‑retardant engineering plastic housing. Multilayer glass‑fiber epoxy printed circuit board. Rack back‑plane plug‑in connector, screw wiring terminals and metal locking mechanical assemblies.
Structural Characteristics Standard rack plug‑in base structure. Rear connector mates with rack back‑plane bus. Front panel arranges multi‑group screw wiring terminals. Upper clamping structure fixes matched digital input module.
Working Principle XC08L1 is inserted into target rack slot and couples to rack back‑plane bus. Internal PCB conducts signal to inserted digital input module, and data is further transferred to controller CPU through back‑plane bus.
Installation RequirementsInstall matched digital input module and lock firmly. Terminate field digital signal cables onto front‑panel screw terminals. Restore rack power and check each channel signal status.
Usage Notes Only install compatible matched digital input modules. Hot‑swap of base unit under powered condition is prohibited.
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