ABB RDCU-12C 3AUA0000036521 Control Unit

Based on over 5000 reviews

Description:ABB RDCU-12C (3AUA0000036521) is a control unit for advanced drive management and precise motor operation in industrial automation.

Product condition: New

Packing condition:Factory Packing

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Turn old ACS800-17/37 cabinets into "digital natives" – hot-swap in 3 min and walk away with AFE rectification + SIL3 safety credentials.

① Core highlights at a glance

Highlights

Value

Industry benefit

Processor

64-bit dual-core ARM

2.3× more horsepower, 16 kHz PWM with headroom

Ethernet

5 isolated ports

2× GigE + 3× Fast, run protocols in parallel—no switch

Memory

2 GB eMMC

30-day curve buffer, one-click USB export

Operating temp.

-40…+85 °C

Same batch for offshore rigs or plateau wind farms

Conformal coating

3C3 level

Immune to salt mist and H₂S


② Compatibility snapshot
ACS800-17 (AFE) & ACS800-37 (LC) click straight in; ACS800-07 keeps the back-plane—reuse existing cables. ACS800-01/04 and ACH550 are physically or electrically different—swap to RDCU-02C or upgrade the whole drive.

③ Safety & approvals
STO/SS1/SLS/SDI all rated SIL3/PLe, reaction ≤ 5 ms, TÜV cert 968/EL 2023 116. Dual-channel read-back keeps the safety path intact even if one wire shorts.

④ 15-minute field upgrade
Power down → slide old board out → slide new board in → latch handles → power up. DriveSync App scans the QR, compares parameters, writes deltas; green LED steady = job done—no scope, no PC.

⑤ One-sentence takeaway
RDCU-12C = AFE pass + Gigabit connectivity + cinematic data logging—your legacy cabinet just joined the IIoT world.

Contact May
ab@mooreplc.com | +86-18106909650 (WhatsApp) | WeChat: dcsfc
Send the ACS800 serial number—within ten minutes you’ll have firmware, licence and cable list.


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