MOTOROLA MVME320A Embedded controller

Requirements for Safe Operation of the Drive It is the machine builder’s responsibility to insure that the complete machine complies with the Machine Directive (EN60204). The following requirements relate directly to the servo controller: Emergency Stop If personal injury can result from motor motion, the user must provide an external hardwired emergency stop circuit outside the drive. This circuit must simultaneously remove power from the drive’s motor power terminal TB1-11, TB1-12, and TB1-13 and disable the drive (by disconnecting J2 pin 37 from I/O RTN).

The motor coasts under this condition with no braking torque.

 If breaking torque is required to quickly stop the motor, a dynamic brake can be added that loads the motor’s windings resistively. The motor should not be loaded until the servo drive is disabled. The holding brake, optional on Danaher Motion Pacific Scientific motors, is not intended to stop a spinning motor. It is designed to prevent a stopped motor from rotating due to an applied torque. Avoiding Unexpected Motion Always remove power from TB1 before working on the machine or working anywhere where injury can occur due to machine motion.

                                                                        

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