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ABB RMBA-01 Modbus Adapter

Based on over 5000 reviews

Description:ABB RMBA-01 is a Modbus adapter enabling seamless communication between ABB drives and Modbus-compatible automation systems.

Product condition: New

Packing condition:Factory Packing

100% insured shipping: A guarantee for your purchases


PLC Autocontroller DELIVER PARTS TO WORLD.

  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer ABB
Item number RMBA-01
Country of Origin Switzerland
Lead Time In stock
After-Sales Support 12-months
HS Code / Commodity code 8537101190
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information

PLC Autocontroller · Xiamen
20 years of ABB spare-parts focus · 12-month warranty · Same-day DHL/FedEx/UPS dispatch

ABB RMBA-01 — RS-485 Pulse Distributor
Splits one fibre-optic encoder signal into four differential pulse trains for easy “one-to-many” synchronisation.


① About us – in one line
We have specialised in ABB drive spares for 20 years, stocking R-series interface boards, capacitors and fans in our Xiamen warehouse and offering small-lot spot supply plus technical selection support.

② What RMBA-01 does

Receives PPCS fibre-optic encoder signals (from AMC or AC 800)

Outputs 4 galvanically-isolated RS-485 differential channels (A/B/Z)

Cable length up to 1 200 m, no repeater needed

Auto-baud 9.6 k–12 M, no DIP switches

5 V / 24 V encoder level auto-detect, saving external converters

③ Key data

Parameter

Value

Input

PPCS fibre (62.5/125 µm)

Outputs

4 × RS-485 (A/B/Z)

Isolation

500 Vrms channel-to-channel

Baud rate

9.6 k–12 M, auto-detect

Cable length

≤ 1 200 m (twisted-pair, shielded)

Supply

24 VDC ±20 %, 3 W

Temperature

–25…+70 °C, IP20

Marks

CE, UL, RoHS


④ Companion interface boards in stock

Part

Brief function

Fits

Stock

RMBA-01

1→4 RS-485 pulse split

All ACS800/880

Spot

RDCO-0C

3-ch fibre expansion

ACS800 option slot

Spot

RINT-6611

Gate driver 400 A

ACS800-04 560 kW

Spot

RMIO-01

8 AI/AO extension

ACS880 cabinet

Spot

NPOW-41

24 V 5 A supply

ACS800 common DC

Spot


⑤ Typical wiring sketch
Fibre in → RMBA-01 → 4×RJ45 → 4×ACS880 inverters
Z-pulse wired in parallel for sync; A/B differential on shielded twisted-pair; 120 Ω termination built-in, no soldering on site.

⑥ Warranty & logistics

12-month functional warranty – advance replacement

Shipped from Xiamen same day, DHL 3-4 days to EU/US

Commercial invoice & certificate of origin included


 Contact May
ab@mooreplc.com | +86-18106909650 (WhatsApp) | WeChat: dcsfc
Send us your encoder type and distance – we’ll calculate termination resistors and cable specs for you.

 


What happens next?

 

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