Product Overview

The ABB XZC825A102 (Part Number: 3BHE036346R0102) is a high-performance industrial circuit board engineered for the Advant OCS and 800xA control platforms. This module is specifically designed for high-speed signal processing and real-time data acquisition in demanding Distributed Control System (DCS) environments. It excels in applications where rapid response times are mandatory, featuring a typical measurement update cycle of less than 40 milliseconds.

This circuit board serves as a vital interface in complex automation loops, particularly within power electronics, excitation systems, and large-scale manufacturing. Its architecture prioritizes signal purity and hardware longevity, making it a staple for facilities transitioning to more responsive, digitally integrated control architectures.

Technical Specifications

• Manufacturer: ABB

• Model Number: XZC825A102

• Part/Order Number: 3BHE036346R0102

• Measurement Update Time: < 40 ms (typical)

• Rated Voltage (Veff): 250 V (EN 50020 compliant)

• No-Load Voltage (Uo): ≤ 21 V

• Electronic Current Limiting (Ik): ≤ 28.5 mA

• Connected Load (Pa): 600 mW

• Isolation Type: Channel-wise electrical isolation

• Weight: 0.1 kg

• Dimensions: 22.7 x 12.9 x 1.3 cm

• Origin: Sweden

Key Functional Characteristics

Real-Time Responsiveness

The XZC825A102 is optimized for low-latency performance. The sub-40ms update frequency allows the control system to react almost instantaneously to process fluctuations. This is a critical requirement for synchronous machinery control and high-frequency power electronics where delayed signals could result in equipment instability.

Enhanced Signal Integrity and Safety

A core feature of the 3BHE036346R0102 is its channel-wise electrical isolation. By electrically decoupling each signal path, the board prevents cross-channel interference and ground loops. Furthermore, compliance with EN 50020 standards ensures the module can safely operate within 250V environments, providing robust protection for both the system backplane and field instrumentation.

Intelligent Overcurrent Protection

To safeguard the broader control network, the board incorporates active electronic current limiting. By restricting current to ≤ 28.5 mA, the module prevents localized electrical faults from propagating through the system. This protection is complemented by a low power consumption profile of only 600 mW, promoting energy efficiency and reducing thermal stress within the control cabinet.

Application and System Integration

Designed for the Advant OCS and 800xA series, the XZC825A102 integrates seamlessly with ABB’s standard engineering tools. Its thin-profile, lightweight design allows for high-density mounting in standard DCS racks. Typical deployment scenarios include turbine control systems, chemical process monitoring, and sophisticated manufacturing cells where precision timing is paramount.