DoF - a Robotiq Community
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As discussed in this Github thread, it appears that the Robotiq Grippers URCap is always active and thus blocks the RS-485 port. This seems to make it impossible to control the grippers from the outside, unless the URCap is removed.

Obviously, removing the URCap is undesirable, as it removes the Gripper commands from the teaching pendant. But when controlling the robot remotely, it is equally desirable to have access to the gripper.

Is there a way that the URCap can be activated/deactivated on the teaching pendant instead, so that the RS-485 port is not blocked by the URCap and can be used by an outside controller? If not, is there a plan to introduce such a feature?

It would be very helpful to be able to access the gripper in certain situations, and it would be strange for the URCap to block this functionality.