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ABB LTC391AE01 HIEE401782R0001｜Interface Module｜

LTC391AE01 HIEE401782R0001

1. Signal acquisition and isolation conditioning
Multi channel CT/PT transformer secondary analog signal acquisition (0-10V, 4-20mA, AC voltage and current)
2500Vrms photoelectric isolation, isolating high and low voltage ground loop interference
Built in second-order hardware filtering to suppress high-frequency electromagnetic noise from frequency converters and excitation cabinets
Signal linear compensation, zero point automatic calibration, acquisition accuracy ± 0.2%
2. Power device triggers driving
Output six independent thyristor/IGBT gate trigger pulse signals
Adjustable trigger pulse width and phase shift angle, compatible with fully controlled rectifier bridge
Each independent short circuit, overcurrent, and overtemperature hardware self-locking protection, single channel failure does not lock the entire board
Fault pulse blockade: When abnormal power devices are detected, the trigger signal is cut off in microseconds to protect the power unit
3. Digital IO circuit
8-way isolated digital input: 24VDC valve position, contactor, cooling fan status feedback
8-way isolated digital output: fan, heater, fault alarm relay drive
Input anti shake hardware filtering, output with continuous current absorption circuit adapted to inductive loads

ABB LTC391AE01 HIEE401782R0001｜Interface Module｜

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ABB LTC391AE01 HIEE401782R0001｜Interface Module｜illustration1

Zhangzhou Fengyun’s main products include ABB, GE, Bently Nevada Bentley, ICS TRIPLEX, Honeywell, Schneider, EPRO, yokogawa Yokogawa, Woodward, EMERSON, Emerson, and Invensys TRICONEX, which have abundant inventory, fast delivery, and reliable quality.