Description

XVC768AE0116 (Material Number 3BHB007211R0116) is a high-precision analog I/O module in the ABB UNITROL excitation system and medium/high voltage drive / frequency converter. It belongs to the XVC768AE series and is used for signal acquisition, regulation and closed-loop control.

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Core parameters
Model: XVC768AE0116
Material number: 3BHB007211R0116
Brand/Series: ABB, XVC768AE Series
Channel configuration: 8 isolated analog inputs + 4 analog outputs
Signal types:
Input: 4-20mA, 0-10V, thermocouple (K/E/J/T/S), thermoresistor (PT100/1000)
Output: 4-20mA, 0-10V
Resolution: 16 bits (input), 12 bits (output)
Isolation withstand voltage: 2500Vrms between channels; 1500Vrms between module and system
Operating temperature: -40°C ~ +70°C
Power supply: 24VDC ±20%
Size/Weight: Standard card cage installation / approximately 0.35kg

Main functions
Excitation system signal interface: Collects generator terminal voltage, current, and speed, and outputs excitation regulation instructions, compatible with UNITROL 1000/6000 series.
Closed-loop control of transmission system: Provides high-precision current/voltage sampling and output for ACS800 and other medium/high-voltage inverters, achieving speed regulation and torque control.
Multi-signal compatibility acquisition: A single module covers common industrial analog quantities, thermocouples, and thermoresistors, and can be adapted to multiple sensors without changing cards.
High anti-interference and diagnosis: Three-level isolation + EMC filtering, compliant with IEC 61000-4; Built-in open circuit / overcurrent / overvoltage detection, supports hot swapping and redundant switching.
Typical application
Power generation: Thermal power / Hydropower / Gas-fired power plant generator excitation control (UNITROL system).
Transmission: ABB ACS800 series medium and high voltage frequency converters, large motor drive control.
Process industry: High-precision parameter monitoring and regulation loops for chemicals, metallurgy, and oil and gas.