Cincinnati Milacron 4-531-4020A Circuit Board

The 4-531-4020A is a legacy control logic board used in Cincinnati Milacron CNC and PLC systems, designed to manage signal processing and machine interface functions through backplane-mounted integration. Model Number: 4-531-4020A Function: PLC/logic interface and signal processing board Compatibility: Cincinnati Milacron CNC/PLC platforms (Acramatic, Big Blue series) Board Type: Multilayer logic circuit board Connectors: Gold-finger edge connector for rack backplane interface Key Components: TTL logic ICs, discrete transistors, resistors, capacitors, signal filters Status Indicators: None (passive board with no on-board LEDs visible) Dimensions: Approx. 150 mm × 100 mm Weight: Approx. 0.42 lb (0.19 kg) Revision: Typically unmarked or Rev A/B Power: Supplied via control system backplane Mounting: Rack/chassis mount Application: Processes and routes machine control signals within a CNC logic system Please review pictures carefully and let us know if you have any questions!