Thanks for the info Robodoc
I must try with the arcon - arcoff, and use the signal of arc confirmation as signal of gripper closed.
what do you think about this gripper.
https://www.festo.com/cat/en-gb_gb/d…/ES/DHDS_ES.PDF
i need a gripper for cilinder of 50mm of diameter and a max-weight of 100g.
do you know another one who can get in Spain.
Thanks again
Alfonso