The ABB DSBC 173A serves as the primary DSBC 173A Bus Extender utilized to execute physical transmission span extension tasks across S100 I/O bus platforms.
Hardware Specifications
Parameter
Specification
Model
DSBC 173A
Brand
ABB
Part Number / Replacement ID
3BSE019216R1 (Replaces 57310001-KH)
Origin
Sweden / Germany
Weight
320 g (0.32 kg)
Dimensions
Standard S100 I/O subrack format
Operating Temp
0 to +55 deg C (Standard industrial baseline)
Power Consumption
Subrack backplane-dependent
Product Type
Bus Extender (Spare_Parts)
Minimum Order Quantity
1 piece
Customs Tariff Number
85389091
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Backplane Bus Communication Velocity and Network Determinism
The DSBC 173A expands the physical routing footprint of the S100 I/O parallel rack system, linking remote I/O subracks back to the primary controller chassis. The internal transceiver architecture maintains stable backplane bus communication velocity across the extended link, eliminating data frame propagation drift and reflection errors. It preserves synchronous processing cycle times across multiple expansion racks, providing firm firmware flash compatibility with legacy or revitalized S100 bus interfaces while maintaining deterministic polling sequences for all attached data points.
