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The ABB AO523 is an Analog Output Module used with the Advant OCS automation platform.
In day-to-day system operation, an analog output module sends continuously variable control commands from the automation system to compatible final-control equipment, signal conditioners, or other receiving devices. This is relevant where the installation calls for this specific component class.
Advant OCS provides the platform context for this product, while the control system modules classification identifies its broader automation role. Exact application should follow the installed system configuration. Existing connection and module records should guide replacement work.
Country of origin is listed as Germany.
For maintenance or replacement work, the exact module designation should be checked against the installed hardware, wiring records, and control-system documentation before the component is placed into service. The product should be matched to the documented control-system position.
ASEA Brown Boveri 1SAP250200R0001
AO523:S500, Analog Output Module, 8 AO U/I + 8 AO U, 12 bit+sign, 1/2-wire, 24 VDC
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