Bently Nevada 2155/40 TDISecure Communication ProcessorDescription The Bently Nevada 2155 40 is a high performance communication processor designed for advanced machinery condition monitoring. It supports dynamic analog, process, and discrete inputs, enabling real time diagnostics and secure data acquisition for rotating equipment. Specifications Model: 2155 40 Input Channels: 24 dynamic analog inputs 24 process inputs (voltage current configurable) 24 discrete inputs 4 Keyphasor inputs Input Signal