The ABB DSAO120, also cataloged as the DSAO120 Analog Output Board, serves as the primary DSAO120 Analog Output Board utilized to execute precise analog field control loops across ABB industrial control system platforms.
Hardware Specifications
Parameter
Specification
Model
DSAO120
Brand
ABB
Origin
Sweden
Product Net Weight
0.5 kg
Gross Shipping Weight
1.5 kg (Including protective packaging)
Operating Temp
0 to +55 deg C (Standard industrial baseline)
Power Consumption
Subrack backplane-dependent
Product Type
Analog Output Boards
Channel-to-Channel Isolation and DCS Instrumentation Protocol
The DSAO120 incorporates dedicated digital-to-analog conversion circuitry optimized to handle continuous command execution updates from the master controller. The architecture provides robust channel-to-channel isolation limits, preventing stray ground loop currents from altering parallel actuator signals or feeding back into the system backplane. This configuration guarantees consistent electrical signal stability across diverse loop resistances while maintaining total firmware flash compatibility with parallel I/O and processing hardware nodes on the shared network track.
