5-25
5-5 Switching Control
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
5
Basic Control Mode
Speed and Torque Control Switching Example (Pn001 = 5)
*1. Deceleration for the torque command.
*2. Deceleration due to load inertia energy and load friction torque.
There is a maximum delay of 10 ms in reading the input signal.
Motor operation in torque control changes according to the motor load conditions (e.g., friction,
external power, inertia). Take safety measures on the machine side to prevent motor runaway.
Adjust the torque command using Analog Input 2 Offset (Pn425) and Analog Input 2 Filter Time
Constant (Pn426) because the torque command input is analog input 2.
Related Functions
Refer to the related functions for each control mode.
Control mode switching
input (TVSEL)
ON
*1
*2
OFF
Speed command input (REF)
Motor operation
+r/min
−r/min
+V
−V
Torque command input (TREF)
+V
−V
Torque Control Mode
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