Product Details
The ABB DSAO 120A 3BSE018293R1, also cataloged as the DSAO 120A Analog Output Board, operates as a dedicated hardware component for multi-channel analog signal drive and control execution within Advant OCS / Master system architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSAO 120A |
| Order Code | 3BSE018293R1 |
| Brand | ABB |
| Origin | Sweden |
| Product Type | Analog Output Boards |
| Output Channels | 8 Channels |
| Dimensions (D x H x W) | 324 mm x 27 mm x 234 mm |
| Weight | 0.372 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 & Field I/O Density Scaling
The ABB DSAO 120A board converts digital control values received over the internal subrack backplane into 8 independent analog output channels. High-efficiency signal path design limits cross-channel crosstalk while scaling I/O density inside standard rack assemblies. Built-in address validation logic maintains firmware flash compatibility and deterministic data frame updating across connected controller stations.
Frequently Asked Questions
Q: What channel capacity does the DSAO 120A board provide for analog field control?
A: The board provides 8 physical analog output channels for direct control interface execution.
Q: Can the DSAO 120A board be hot-swapped while the system rack is powered?
A: Module replacement requires de-energizing the subrack or placing the targeted slot into isolated bypass mode to prevent transient interruptions on the backplane communication bus.
Field Installation Guidelines
- Power down the system subrack before inserting or extracting the board.
- Align the board circuit card with the rack guides and insert firmly until backplane bus pins seat fully.
- Tighten captive chassis screws to preserve panel grounding continuity and lock the board against mechanical vibration.
- Route field analog output wiring separately from high-voltage AC cables to prevent induced noise coupling.
- Earth field cable shields at the designated single-point grounding bar before applying operational 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.
Tech & Buying Guide
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