Cincinnati Milacron 3-531-2989A Contact Input Board

The Cincinnati Milacron 3-531-2989A is a digital contact input board used in CNC systems to receive and process logic-level signals from external sources such as switches, sensors, or relay contacts. It interfaces directly with the controller’s backplane for signal integration in industrial automation environments. Model Number: 3-531-2989A Function: Digital contact input interface board Input Type: Dry contact or logic-level signal input Compatibility: Cincinnati Milacron CNC controllers (Acramatic, Big Blue, 850/900 series) Mounting: Edge connector for CNC rack integration Connectors: Gold-finger edge connector for I/O and power Status Indicators: LED indicators for input status monitoring Board Type: Multilayer PCB Typical Input Voltage: 5–24 VDC (contact closure logic) Dimensions: Approx. 150 mm × 100 mm Weight: Approx. 1 lb (0.45 kg) Construction: Fiberglass PCB with protective solder mask Please review pictures carefully and let us know if you have any questions!

Condition: Used

Weight:   0.20

Depth:   10.00

Length:   20.00

Width:   10.00

SKU:   2015 4.S8.7.2B