In a servomotor controller, when a comparing circuit (70) detects that
a position of an object to be controlled has been achieved to a target position,
an operation inhibiting signal generating section (71) supplies an operation
inhibiting signal (71a) to an operation permitting/inhibiting signal-processing
section (66), and obtains an operation stopped state of an H bridge-driving
processing section (67) for controlling driving of a motor. A LIN communication
processing section (61) receives information to a self address supplied
from a superordiante device, and outputs a forced operation (recovery) request
(61R) in the received information. The operation state of the H bridge-driving
processing section (67) is obtained through an operation permitting trigger
signal generating section (65) and the operation permitting/inhibiting signal-processing
section (66) through the H bridge-driving processing section (67).
The motor is accordingly driven, and the feedback control based on the difference
between the target position and the present position is restarted.