3.4 X9 Interface(STO) of JD Servo
3.4.1 Overview
STO（safety torque off）function is used to force to close the signal of internal power
circuit in servo driver,so that it can cut off the motor’s current to cut off the output torque
of motor for safty.
JD series servo provide two channels of STO input signal control.The driver will cut off
the motor’s current and motor output torque when one of the STO signals is valid.
If users don’t want to use this function,please refer to 3.4.3 to forbid STO function,or the driver will
appear alarm 200.0.
3.4.2 Interface Descriptions
3.4.3 STO Function Descriptions
STO function forbidden:
Fig. 3-4 STO function forbidden of JD Servo
Note:When it need to forbid STO function,please use the short-circuit plates with the servo driver to
short-circuit the terminal as shown in Fig.3-4.
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