GE 8121‑DI‑DC

Product Name: GE 8121‑DI‑DC DC Digital Input Module

Product Introduction: Industrial DC digital input module of GE series control system, collects field DC discrete signals and transmits them to control system controller.

Technical Specifications: DC signal input type; multi‑channel discrete input; industrial backplane bus communication; channel‑level fault diagnosis.

Category:
Description

Functional Features: Field switch signal acquisition; input signal isolation; channel fault diagnosis; signal transmission to controller unit.

Application Scenarios: Industrial automation production lines, power plant auxiliary control systems, process industry PLC control cabinets.

Performance Parameters: Rated input DC voltage range conforms to industrial standard; operating temperature 0 °C‑60 °C; protection grade for cabinet‑installation IP20.

Material Composition: Industrial PCB; plastic and metal composite housing; anti‑surge circuit components.

Structural Features: Rack plug‑in modular design; front‑end channel status indicator lights; standardized backplane connection.

Working Principle: Perform isolation processing for field DC switch quantity signals, convert them into internal bus recognizable digital signals and send to controller, realize field status acquisition.

Installation Requirements: Mount inside control cabinet; use matching rack backplane; separate power wiring from signal wiring for anti‑interference; ensure good grounding.

Precautions for Use: Prevent over‑voltage input; avoid cabinet condensation; do not operate beyond ambient temperature range; inspect wiring terminals periodically.

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