Derivative Action in PID Control Without Noise Problems
Learn what derivative action contributes to a PID loop, why it can amplify measurement noise and setpoint changes, and how filtering, sampling, and staged tests make D tuning safer.
Manufacturer: ABB
Product No.: 3BHE013854R0002 PDD163 A02
Country of origin:Sweden
Product Type: Inverter Main Board
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 280g
Dimensions: 27.1 x 2.8 x 12.9 cm
Shipping port: Xiamen
Warranty: 12 months
The ABB 3BHE013854R0002 (PDD163 A02) is an inverter main board designed specifically for deployment within ABB UNITROL excitation systems. It functions as a central processing and control node, managing power conversion sequences, firing pulses, and internal diagnostics for excitation power cabinets.
This controller card handles high-speed data acquisition, synchronization with network voltages, and closed-loop regulation of generator field current and voltage. It integrates directly into the UNITROL rack architecture, communicating via internal system buses to coordinate multi-bridge power modules and maintain generator excitation stability under varying grid conditions.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product Series | UNITROL Excitation Systems |
| Catalog Number / Model | 3BHE013854R0002 (PDD163 A02) |
| Product Type | Inverter Main Board |
| Country of Origin | Sweden |
| Net Weight | 0.28 kg |
| Dimensions | 27.1 x 2.8 x 12.9 cm |
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Returns & Warranty



Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Sweden
|