2-Finger Gripper - Limit current at tool connector (ToolA : C289A9)

::heading=Problem

An error message prompt appears when the 2F gripper is connected to a UR robot wrist : "ToolA: C289A9: Tool connector: Current of 1.1645807 A on the power pin is outside of the allowed range."

 

::heading=Troubleshooting procedure

1. Verify the firmware version of the 2-Finger Gripper. Go to Installation>URCaps>Gripper>About.

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::info=If the Gripper firmware version is 1.6.13 or later. Skip step 2. 

 

2. Update the 2-Finger Gripper firmware. 

i. Download the Robotiq Universal Upgrader (RUU) from the support website. Extract the file on a PC.
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ii. Connect the 2F Gripper to the PC using the RS-485-to-USB converter. 
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::note=Red (24V) and black (0V) cables do not need to be connected for USB communication. 

 

iii. Read the Robotiq Universal Upgrader (RUU) instructions. 

iv. Proceed with the update.

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3. If the coupling used is the E-Series coupling, you need to check the "Gripper cable is connected to the wrist" and "Limit gripper current" options. (Installation>URCaps>Gripper>Dashboard)

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4. Set the "Controlled by" field to "Robotiq_Grippers". (Installation>General>Tool I/O)
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::heading=Conclusion

Completing these steps will solve the 2-Finger overcurrent error message when using a UR robot wrist connection.

 

 

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