YASKAWA LA500 - Safe Torque Off Operation; Enabling and Disabling Drive Output; Safe Torque Off Operation Example

1 English
38 YASKAWA TOMPYEULA5001C LA500 Installation and Operation Instructions
Set the EDM function to one of the MFDO terminals [H2-xx = 21 or 121] to monitor the status
of the Safe Disable function. This is the “Safe Disable monitor output function”.
Figure 1.12 Safe Disable Function Wiring Example
■ Enabling and Disabling the Drive Output (“Safe Torque Off”)
Refer to Figure 1.13 for an example of drive operation when the drive changes from “Safe
Torque Off” status to usual operation.
Figure 1.13 Safe Disable Operation
Switching from Usual Operation to “Safe Torque Off”
Turn OFF (open) safety input terminal H1 or H2 to enable the Safe Disable function. When the
Safe Disable function is enabled while the motor is operating, the drive output and motor torque
turn off and the motor always coasts to stop. The b1-03 [Stopping Method Selection] setting
does not have an effect on the stopping method.