Altivar 900 process frequency converter - converter for moving solid bodies & mechanics e.g. crushers, mixers, extruders, conveyor belts, cranes. Wall mounting. Frequency converter ATV950, with brake module/switch. Dimensions 345 x 1250 x 375 mm, power KW 55 kW. Supply voltage, three-phase 380-480 V 50/60 Hz. Output frequency 0.1-500 Hz. Overload in normal operation 120% for 60s, overload in high overload mode 150% for 60s (when downgrading by one power class). Control types asynchronous motors, constant torque, variable torque, optimized torque mode, synchronous motor PM, (permanent magnet) motor. Integrated web server with direct access to system configuration and monitoring, simple master/slave coupling via Ethernet, with load balancing. Application functions for e.g. conveyor belts or cranes. Continuous and historical real-time measurements with customizable dashboards. Integrated safety function STO (Safe Torque Off) SIL3. Number of integrated I/O Analog inputs 2 analog differential inputs, logic inputs 8, relay outputs 3, analog outputs 2. Integrated communication Ethernet-based (with 2 ports, internally switched) Modbus/TCP, Ethernet/IP. Serial communication Modbus RS485 interface. Configuration and control elements Decentralized graphical operator terminal, integrated web server, DTM (Device Type Manager), SoMove software. Optional I/O expansion cards, relay output cards. Optional communication cards (CANopen Daisy Chain RJ45, Sub-D and screw terminals, ProfiNet, Profibus DP V1, EtherCAT and DeviceNet).