SERVO AMPLIFIER AND SERVO SYSTEM

The invention provides a servo amplifier and a servo system. The servo amplifier includes: a torque control unit configured to control a torque of a motor based on a torque command of the motor; a load torque estimation unit that estimates the load torque received by the motor on the basis of the speed of the motor and the torque command or the torque detection value of the motor; and an output unit that outputs monitoring information relating to the load torque estimated by the load torque estimation unit to the outside of the servo amplifier. 提供一种伺服放大器和伺服系统，伺服放大器具备：根据马达的转矩指令对所述马达的转矩进行控制的转矩控制部；根据所述马达的速度、以及所述转矩指令或所述马达的转矩检测值对所述马达承受的负载转矩进行估计的负载转矩估计部；和将与由所述负载转矩估计部估计的所述负载转矩相关的监视信息输出至伺服放大器外部的输出部。