IAI America ISPDACR-ESD - Manual (Page 52)

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8. Options
8.2 Brake
The brake is a mechanism to retain the slider of a vertically installed actuator so that the slider will not drop
when the power is cut off or servo turns off. If any axis is used vertically, an optional brake is required.
Brakes of S, M and L types are installed outside the end cover on the counter-motor side, but brakes of W
types are built into the actuator.
8.3 Reversed-home Specification
In the reversed-home specification, the home is located on the counter-motor side. This is indicated by
“NM” in the model number. If you wish to change the home direction after the delivery, consult IAI because
the moving direction parameter must be adjusted, as well as the encoder’s Z-phase on certain models.