Product Core Brief

• Model: DSBB175
• Brand: ABB
• Series: Advant Master / MasterPiece 200
• Core Function: Serves as an MXB bus backplane module, distributing power and enabling communication between CPU, I/O, and interface boards in distributed control systems.
• Product Type: MXB Bus Backplane Module
• Key Specs: DIN rail mount | Passive air cooling | LED diagnostics | 12–24 V DC supply | –20 °C to +60 °C operating range
• Condition: New Original / New Surplus

Key Technical Specifications

• Product type: MXB bus backplane module
• Compatible systems: Advant Master, MasterPiece 200 / MasterPiece 200/1 DCS platforms
• Supply voltage: 12–24 V DC
• Mounting: DIN rail
• Cooling: Passive air-cooled
• Operating temperature: –20 °C to +60 °C
• Dimensions: approx. 160 × 100 × 50 mm
• Net weight: approx. 0.2 kg
• Features: LED indicators, dust/moisture protection
• Origin: Switzerland

 

Product Introduction (No Fluff)

This is an MXB bus backplane module for ABB Advant Master and MasterPiece 200 distributed control systems. It provides the mechanical backbone and electrical bus interface that links CPU boards, I/O modules, and communication interfaces within the controller assembly.

Its main advantage is system stability. A healthy backplane keeps power distribution and module-to-module communication clean, which reduces intermittent faults during long production runs. For plants maintaining legacy ABB DCS hardware, this unit is a practical replacement when original stock is no longer easy to source.

 

QA & Testing SOP (Dynamic & Transparent)

We verify backplane modules mechanically and electrically before dispatch. This is not a factory certification.

1. Incoming inspection — Confirm model DSBB175, check for cracked PCB, damaged DIN rail clips, corrosion, and label consistency.
2. Bus connector check — Inspect module mating contacts and bus interface pins for bent pins, oxidation, or burn marks from poor seating.
3. Power-up test — Apply 12–24 V DC and verify normal LED behavior, absence of overheating, and no immediate fault indication.
4. Bus continuity check — Where test equipment allows, verify continuity across bus segments and confirm no shorted rails or open traces.
5. Packing — Place in anti-static packaging with rigid support to prevent connector or clip damage during transit.

Installation Pitfalls & Guide (Engineer to Engineer)

❗ Confirm the exact platform before installation. DSBB175 belongs to the Advant Master / MasterPiece 200 family, not the S100 I/O rack series. Mixing backplane families can cause mechanical mismatch and bus communication failure.

❗ Check DIN rail integrity first. A loose or corroded DIN rail can create poor grounding and intermittent module faults. Tighten the rail and verify cabinet ground before seating the new backplane.

❗ Do not force modules into the bus. Bent backplane pins are a common cause of silent communication errors. If a module does not seat smoothly, stop and inspect the connector.

❗ Verify power polarity and voltage range. Supplying voltage outside the 12–24 V DC range can damage the backplane and downstream modules.

Replacement steps

1. Pre-install: Confirm system compatibility, back up controller configuration, and disconnect power.
2. Removal: Label connected modules, release retaining clips, and withdraw the old backplane carefully.
3. Install: Mount the new DSBB175 on the DIN rail, ensure firm mechanical seating, and reconnect modules.
4. Power-on test: Restore power, check LED diagnostics, and verify bus communication with all installed modules.

 

Technical FAQ

Is this an OEM genuine ABB part?
We supply new original and new surplus stock depending on availability. If sealed original packaging is required, confirm before ordering.

Which systems is DSBB175 compatible with?
It is designed for ABB Advant Master and MasterPiece 200 / MasterPiece 200/1 distributed control systems as an MXB bus backplane module.

Can DSBB175 replace other DSBB backplane variants?
Not automatically. Backplane modules must match the controller family, bus architecture, and mechanical layout. Always cross-check against your system hardware list and ABB documentation.

What is the warranty?
Warranty depends on condition and stock type. New surplus units typically carry shorter coverage than new original sealed stock. Confirm before purchase.

Is it in stock and ready to ship?
Inventory changes daily. Send the required quantity and destination, and we will confirm availability, lead time, and shipping options.