Product details
BMXXBC120K Modicon X80 X-bus Expansion Cable, 12 m
Schneider Electric builds the BMXXBC120K for Modicon X80 racks. This X-bus expansion cable links racks over 12 metres. It keeps I/O data moving between M340 and M580 systems. The platform stays active and shared. Last verified: 2026-09.
Why This Cable Matters
- Connects X80 racks in a daisy chain.
- Supports long runs up to 12 m per cable.
- Works with a total X-bus length of 30 m.
- Uses a 9-pin SUB-D connector.
- Fits M340 and M580 shared I/O platforms.
Technical Data
- Brand: Schneider Electric
- Model: BMXXBC120K
- Series: Modicon X80
- Type: X-bus expansion cable
- Length: 12 m
- Connector: 9-pin SUB-D
- Function: Daisy-chain X-bus link between racks
- X-bus total length: Max 30 m
- Lifecycle: Active
- Platform: Shared I/O for M340 and M580
Installation Guide
- Power down the rack before you start.
- Check the 9-pin SUB-D ports on each rack.
- Plug the cable into the X-bus port.
- Hand-tighten the connector screws.
- Keep the total bus under 30 m.
- Power up and check the bus status.
Setup and Maintenance
- Label each cable end for fast tracing.
- Keep bends wide to protect the shield.
- Check connectors during routine service.
- Replace a damaged cable right away.
- No software setup is needed for the cable.
Compatibility Notes
- Fits Modicon X80 racks.
- Works with M340 and M580 controllers.
- Matches standard 9-pin SUB-D X-bus ports.
- Do not mix with other bus cable types.
Expert Review
The BMXXBC120K is a simple part that solves a real layout problem. It lets you split I/O across cabinets. The 12 m length gives room for large panels. The 9-pin SUB-D lock keeps the link stable. For M340 and M580 users, this cable is a safe, active choice.
Manager’s Insight
Stock this cable with shorter X-bus cables. Most sites need one long run plus a few short links. The 30 m bus limit is the key number to watch. If a project needs more, plan a second bus. This part ships fast and cuts downtime risk.
Best Fit Devices and Applications
- Modicon M340 control racks
- Modicon M580 control racks
- Multi-rack I/O panels
- Water and waste plants
- Factory automation lines
- Energy and power skids
- Process control cabinets
FAQ
Q: What does this cable do?
A: It links X80 racks on the X-bus. Data moves between racks.
Q: How long can the whole bus be?
A: The full X-bus must stay at or under 30 m.
Q: Does it work with M580?
A: Yes. It fits the shared M340 and M580 I/O platform.
Q: Can I use two 12 m cables?
A: No. Two cables would pass the 30 m limit.
Q: Is the cable active or obsolete?
A: It is active. Schneider still supports this platform.
Q: What connector does it use?
A: It uses a standard 9-pin SUB-D connector.
Q: Do I need to set up software?
A: No. The cable is passive hardware. Just plug it in.
Q: How do I pick the right cable length?
A: Measure the rack gap. Add slack. Keep the total under 30 m.
Q: What should I check before buying?
A: Check your rack series, port type, and bus length.
Q: Can I run it near motors?
A: Keep it away from high-power lines. Use shielded routing.
Buying Guide
- Confirm your rack uses Modicon X80.
- Check the port is 9-pin SUB-D.
- Plan the full X-bus under 30 m.
- Order spare cables for critical lines.
- Ask us for help if you are unsure.
Package and Warranty
- One BMXXBC120K cable
- 12-month warranty
- Ships in 12 to 24 hours
- FedEx, UPS, or DHL delivery
Contact
Email: sales@powergearx.com
WhatsApp: +86 18030005825
Copyright © 2026 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/















There are no reviews yet.