Technical Specifications 8‑channel relay contact output. Maximum switching voltage 250 V AC, maximum switching current 6 A per channel. Auxiliary logic power 24 V DC. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%.
Functional Features Provides 8 independent relay output channels. Galvanic isolation between internal logic circuit and field contact circuit. LED status indicator for each channel. Supports hot‑swap under system power‑on condition. Built‑in hardware over‑current protection for each channel.
Application Scenarios Applied in industrial automation PLC control systems for factory automation, water treatment and power auxiliary control. Used for field relay, alarm lamp and small‑size actuator driving.
Performance Parameters Long‑term stable relay contact switching performance. High‑voltage galvanic isolation blocks field‑side interference. Each channel LED directly reflects output state.
Material Composition Multilayer glass‑fiber epoxy printed circuit board. Industrial‑grade relay assemblies, signal conditioning components. Plastic module housing. Back‑plane plug‑in connector and field wiring screw terminals.
Structural Characteristics Standard plug‑in module structure for PLC rack. Front side equipped with channel status LED indicators and field wiring terminals. Rear side fitted with back‑plane bus connector. Weight approximately 0.38 kilogram.
Working Principle PLC main CPU sends logic output command via back‑plane bus. Internal circuit drives corresponding relay coil. Relay contact closes or opens to output isolated switching signal to field‑connected equipment. LED indicator synchronously shows channel working state.
Installation Requirements Insert XO08R2 module into designated slot of PLC rack and lock fixing latch. Complete field‑side load wiring on front‑end screw terminals. Confirm back‑plane bus connector is fully engaged. Power on PLC system and perform channel output function test.
Usage Notes Do not exceed rated voltage and current parameter of relay contact. Prevent over‑load operation. Check terminal tightening torque during regular maintenance. Avoid operation under condensation and corrosive‑gas environment.
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