The Original ABB XZC826A102 3BHE036348R0102 Board Spare is a signal-conditioning / interface board in the ABB UNITROL generator excitation system product line, providing isolated multi-channel signal conversion, status indication and interface functions for excitation control signals. It is described as a component of the UNITROL excitation control system with compatibility to the AC800M DCS automation platform.
Key Features
- Signal conditioning board of the ABB UNITROL excitation system product line
- Isolated multi-channel signal conversion, status-indicator driving and interface functions
- Described as compatible with the AC800M DCS automation platform
- Handles standard industrial process signals: 4–20 mA / 0–10 V DC
- Includes 2 digital inputs and 2 digital outputs
- Electrical isolation strength 2500 V AC
- Made in Sweden
Technical Specifications
- Type Designation: XZC826A102
- Order Code: 3BHE036348R0102
- Product Type: Signal conditioning board
- System: ABB UNITROL generator excitation control system
- Analog Signal Compatibility: 4–20 mA, 0–10 V DC
- Digital Channels: 2 DI / 2 DO
- Electrical Isolation: 2500 V AC withstand
- Signal Conversion Accuracy: ±0.1% of full scale
- Response Time: ≤5 ms
- Power Consumption: ≤3.2 W
- Dimensions: 22.7 × 12.9 × 1.3 cm
- Weight: approx. 0.1 kg
- Origin: Sweden
Installation Notes
- Verify the board identity (XZC826A102 vs. XZC826A103) and revision against the system spare-parts list before ordering.
- De-energize the excitation cabinet and confirm discharge before handling the board; use ESD precautions.
- Install the board in its designated slot and secure the connector; verify polarity of the analog signal wiring.
- Check isolation and grounding of signal cables per the excitation system wiring rules.
- After installation, verify signal levels at the AC800M/control interface during commissioning before returning to service.
Common Questions
What is the XZC826A102 used for? It is a signal conditioning board in the ABB UNITROL excitation system product line, providing isolated signal conversion and interface functions.
What signals does it handle? 4–20 mA and 0–10 V DC process signals, plus 2 DI / 2 DO channels.
Where is it made? Sweden.
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