The ABB DSAX 452, also cataloged as the DSAX 452 Remote Input / Output Basic Unit, operates as a dedicated hardware component for multi-channel analog signal acquisition and loop regulation within modular industrial automation networks. Configured under customs tariff number 85389099, this mixed analog hardware assembly coordinates field-side instrument translation by managing 14 differential inputs and 6 independent voltage/current outputs over distributed automation planes.
Hardware Specifications
Parameter
Specification
Model
DSAX 452
Brand
ABB
Origin
Sweden (SE) / Germany (DE)
Weight
2.7 kg net / gross
Dimensions
Standard multi-channel modular subrack footprint
Operating Temp
Factory standard industrial ambient window
Power Consumption
Logic-level backplane rail draw
Product Type
I-O Module (Remote In / Out Basic Unit)
Part Condition Type
Refurbished
Analog Inputs
14 differential channels
Input Resolution
12 Bit
Input Signal Ranges
0 to $\pm$10 V, 0 to $\pm$20 mA
Analog Outputs
6 channels
Output Resolution
10 Bit
Output Signal Ranges
0 to +10 V, 0 to +20 mA
Frame Size Classification
Spare Parts
Primary Warehouse Stock
Malmo, Sweden
Accessory Reference
Spare Cover 21580351-1
WEEE Category
Product Not in WEEE Scope
Industrial Control and Drives Dedicated I/O Density Scaling
The DSAX 452 manages precise analog tracking matrix tables and continuous command loops directly over the system's distribution backplane. To resolve all 14 differential input steps and update the 6 independent output drivers without tracking lag or processing timeouts, the internal conversion logic optimizes backplane bus communication velocity across the active remote node rack. This reduction in multiplexing jitter stabilizes 12-bit voltage and current parsing during high-density simultaneous queries, directly supporting deterministic loop timing rules and expanding physical I/O density scaling options within localized processing enclosures. Because the card maps its integrated input/output registers into a uniform internal memory allocation, the hardware maintains absolute firmware flash compatibility with upstream engineering masters, ensuring that channel calibration gains, input filter coefficients, and fallback safety variables download over the bus lines without causing signal transit noise or communication timeouts.
