Product Details
The ABB DSTC 176 57310001-KT, also cataloged as the DSTC 176 Control System Accessories, operates as a dedicated hardware component for bus impedance matching and signal line termination within ABB Advant Master process control networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSTC 176 |
| Order Code | 57310001-KT |
| Brand | ABB |
| Origin | Sweden |
| Product Type | Control System Accessories |
| Subrack Function | Bus Extension Terminator Unit |
| Weight | 0.03 kg |
| Dimensions | 115 mm x 20 mm x 255 mm |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | Passive resistive network |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
Backplane Bus Communication & I/O Density Scaling
The ABB DSTC 176 termination unit terminates signal lines at the physical ends of extended subrack backplane buses to prevent high-frequency signal reflections and wave degradation. By stabilizing line impedance across extended rack communication links, the passive network maintains signal integrity during high-speed data transmission between controller processors and distributed I/O modules. The physical form factor supports modular I/O density scaling across subrack extensions without altering firmware flash compatibility or bus scan cycles.
Frequently Asked Questions
Q: Where must the DSTC 176 bus terminator unit be positioned in an Advant Master bus extension setup?
A: The DSTC 176 unit must be installed directly at the final physical connection node of the bus extension line to suppress signal reflection.
Q: Does the DSTC 176 require external power or firmware configuration?
A: No, the DSTC 176 is a completely passive resistive network that operates without external power rails or firmware flash parameters.
Field Installation Guidelines
- Isolate primary system power before connecting or removing the DSTC 176 bus termination unit.
- Align the board connectors carefully with the designated bus extension port at the end of the subrack backplane.
- Seat the unit firmly into the socket header to maintain low-resistance signal contact.
- Secure panel retention hardware to prevent connector displacement from mechanical cabinet vibration.
- Ensure the chassis earth braid connects to the primary enclosure ground rail to minimize EMI noise interference on communication lines.
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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