Technical Specifications Internal control signal input interface, multi‑channel trigger pulse output interface, power unit feedback signal input ports. Auxiliary DC control power supply. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Conformal coated circuit board surface for harsh environment adaption.
Functional Features Receives phase‑angle control signal from main processor. Completes electrical isolation and power amplification for trigger pulse signals. Outputs driving pulse to thyristor power components. Collects status and fault feedback signals from power unit and transmits to main control board. On‑board test points support on‑site signal measurement. Built‑in circuit monitoring detects signal channel failure.
Application Scenarios Spare trigger interface board for ABB high‑power rectifier and DC drive equipment. Applied in metallurgical and industrial power conversion cabinet maintenance.
Performance Parameters High‑precision trigger pulse phase‑angle transmission performance. Stable pulse driving‑amplification capability. Reliable power‑unit fault‑signal feedback performance.
Material Composition Multilayer glass‑fiber epoxy printed circuit board. Pulse isolation and driving circuit, feedback signal conditioning assemblies and bus interface circuit. Multi‑pin plug‑in connectors and metal mounting hardware. Conformal protective coating layer.
Structural Characteristics Rectangular circuit‑board structure with edge‑arranged multi‑group connectors. Reserved screw mounting holes for cabinet fixing.
Working Principle After power‑on, RINT‑5514C receives phase‑control instruction signal from main control unit. The signal passes through isolation and amplification circuit and is converted into trigger pulse suitable for thyristor driving. Feedback signals from power unit are conditioned and sent back to main processor for status judgment and fault processing.
Installation Requirements Secure board to cabinet mounting position with screws. Fully plug in and lock all signal connectors. Restore auxiliary control power, verify trigger pulse output and power‑unit feedback signal collection function.
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