Allen Bradley 1746-N14 Analog Input ModuleDescription The Allen Bradley 1746 N14 is a 4 channel analog input module designed for use with the SLC 500 family of programmable logic controllers. It converts analog voltage or current signals into digital data for precise industrial control applications. Specifications Model Number: 1746 N14 System Compatibility: SLC 500 PLC series Input Channels: 4 analog inputs Input Types: Selectable per channel voltage or current Resolution: 12 bit Signal