Product Details
The ABB DSBC 174 3BSE012211R1, also cataloged as the DSBC 174 Bus Extender Modules, operates as a dedicated hardware component for extending physical bus communications across S100 I/O subracks within ABB Advant Master process control architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSBC 174 |
| Order Code | 3BSE012211R1 |
| Brand | ABB |
| Origin | Sweden |
| Product Type | Bus Extender Modules |
| Interface Protocol | S100 I/O Bus |
| Dimensions | 360 mm x 20 mm x 260 mm |
| Weight | 0.34 kg |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | Bus-powered via subrack backplane |
| RoHS Compliance | Not RoHS Compliant |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
Backplane Bus Communication & I/O Density Scaling
The ABB DSBC 174 module interfaces directly with the primary controller rack backplane to extend S100 I/O bus signals to downstream expansion racks. By regenerating address, data, and control lines, the module supports expanded I/O density scaling without signal degradation across inter-rack distance limits. Embedded timing drivers ensure deterministic network frames and full firmware flash compatibility across connected controller and I/O subracks.
Frequently Asked Questions
Q: What function does the DSBC 174 serve in an S100 I/O rack assembly?
A: The board regenerates and buffers the internal parallel S100 I/O bus signals to drive additional remote or adjacent expansion subracks.
Q: Can the DSBC 174 module be extracted or installed under power?
A: Main power to the subrack segment must be de-energized prior to removing or seating the module to avoid backplane communication bus corruption and transient voltage damage.
Field Installation Guidelines
- Power down the system subrack before seating or extracting the DSBC 174 module.
- Align the board edges carefully with the slot guide rails and push firmly until the rear backplane connectors fully lock into the chassis interface.
- Fasten front retaining screws to secure the module against vibration and establish chassis earth continuity.
- Route bus extension cabling separately from high-voltage AC lines to prevent electromagnetic noise coupling.
- Verify cable connector latching on the front panel before re-energizing system operating power.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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