Bently Nevada 128031-01 3500/05 I/O Module CoverDescription The 128031 01 module is specifically designed to receive inputs from proximity and seismic sensors. It adjusts these signals and compares them with user programmable alarms to ensure mechanical safety and operational efficiency. Specifications Input Signal Range: 10 Vdc to +10 Vdc Power Consumption: Approximately 10. 5 watts Ethernet Connection: Supports 100Base FX fiber optic network communication Working Temperature: 30 C to +65 C