Product Details
The ABB DSTA 171 3BSE018311R1 serves as the primary DSTA 171 Connection Unit utilized to execute field signal termination and wiring conversion across ABB Advant Master Process Control System platforms. Designed specifically to interface with the DSAO 120A analog output board, the unit bridges field control wiring to system I/O cables via dedicated screw terminal blocks and multi-pin ribbon connectors.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSTA 171 3BSE018311R1 |
| Brand | ABB |
| Origin | Sweden |
| Product Type | Connection Units |
| Associated Module | DSAO 120A Analog Output Board |
| Signal Application | Analog Output Termination |
| Dimensions | 234 mm x 99 mm x 45 mm |
| Net Weight | 0.12 kg |
| Operating Temp | 0 to +55 deg C (standard panel ambient) |
| Power Consumption | Passive termination hardware (zero backplane power draw) |
Backplane Bus Communication Velocity and Deterministic Execution
While functioning as a passive termination component, the connection unit maintains signal routing integrity between the field actuators and the host DSAO 120A card, sustaining optimum backplane bus communication velocity across the controller rack. Stable signal line impedance preserves low-noise analog signal propagation over Profinet and EtherNet/IP deterministic networks, supporting system-wide I/O density scaling and ensuring hardware firmware flash compatibility across legacy and current Advant Controller nodes.
Frequently Asked Questions
Q: Does the DSTA 171 connection unit require an external power supply connection?
A: No, the unit operates as a passive terminal board and routes loop power or output signals directly between the DSAO 120A board and field devices.
Q: How is the DSTA 171 connected to the DSAO 120A analog output module?
A: Interconnection is established using pre-fabricated system ribbon cables mated to the multi-pin header on the DSTA 171 terminal assembly.
Field Installation Guidelines
- Panel Mounting: Fasten the DSTA 171 chassis securely to the enclosure DIN rail or mounting plate using standard hardware to prevent movement.
- System Cable Connection: Connect the multi-pin system cable from the DSAO 120A analog output module directly to the matching onboard header until fully latched.
- Field Terminal Wiring: Strip field analog wires to specified length and insert them into the screw terminals, tightening securely to ensure tight electrical contact.
- Shield Termination: Connect analog cable shield drain wires directly to the designated earthing rail on the termination board to prevent EMI coupling.
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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