B&R Industrial Automation HCMARC-0CT MARC Network Controller

HCMARC-0CT MARC Network Controller is a B&R Maestro ARCNET controller module (ARCNET Controller Module) bearing part number HCMARC-0CT. It belongs to the MARC family—the Maestro ARCNET network controller line that enables a Maestro automation system to interface with ARCNET networks. The component is also listed under the alternate part number HCMARC-OCT. Verified listings from the manufacturer-brand ecosystem identify it as a Maestro ARCNET network controller, and aftermarket suppliers confirm the same model function, with availability shown as used or refurbished. Radwell and other sources note that the device has been discontinued by the manufacturer. Wake Industrial lists the HCMARC-0 within the HCM Maestro PLC Modules lineup, reinforcing its status as part of the Maestro product family and its function as an ARCNET interface within that ecosystem. Market listings from ClassicAutomation and SPSDirekt specifically describe the HCMARC-0CT as a MARC/ARCNET network controller in the Maestro ecosystem, supporting its use as the ARCNET interface for B&R Maestro systems.