A detailed explanation of the safety functions of the Universal Robots Collaborative Arm

Create Date: 2024-8-30 12:03:23|Source: Universal Robots/UR

For the emphasis on robot safety features, it is recommended to conduct monthly tests to ensure that the functionality is correct.

The following tests must be performed.

• Test the emergency stop button function on the teach pendant:

• Press the emergency stop button on the teach pendant.

• Watch the robot stop, and turn off the power to the joints

• Start the bot again

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• Test Free Drive Mode:

• Depending on the tool specifications, remove the attachment or set the tool center point (TCP)/payload/CoG.

• Press and hold the black Freedrive button on the back of the teach pendant to set the robot to freedrive mode

• Move the robot to a position where it extends horizontally to the edge of its workspace

• While holding down the free drive button, monitor the robot to maintain its position without support.

• Test Reverse Drive Mode:

IF THE ROBOT IS CLOSE TO A COLLISION, THE ROBOT CAN BE MOVED USING THE BACKDRIVE FUNCTION BEFORE INITIALIZATION

to a safe location.

• Press ON to enable the power and the status will change to "Idle".

• Press and hold "Free Drive" -> status will change to BACKDRIVE

• Move the robot by hand like a free drive.

• In reverse drive mode, the brake is only released on a single joint when moving, as long as the free drive is pressed

button and the brake will remain released. Compared to the free drive mode, the robot is a bit "bulky" to move.

• Please test each joint individually to ensure that the brake is released as intended.

Verify security settings:

All rights reserved 11 Servicemanual_UR5_en_3.2.6

• Verify that the robot's safety settings comply with the risk assessment of the robot's installation

• Test that other safety inputs and outputs are still operational:

• Check which safety inputs and outputs are active and test if they can be triggered.

A detailed explanation of the safety functions of the Universal Robots Collaborative Arm

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