- Tel: +86-18106909650
- Email: ab@mooreplc.com
Products
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.
| Manufacturer | ABB |
| Item number | RMBA-01 |
| Country of Origin | Switzerland |
| Lead Time | In stock |
| After-Sales Support | 12-months |
| HS Code / Commodity code | 8537101190 |
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.
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.
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ab@mooreplc.com
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