Hello.   I have a 2F-85 gripper and a universal controller.   We are using it for an exhibit in a museum.   Because if this we are not using a robot controller.  It's actually a show controller.  It is capable of sending Telnet TCP/IP commands and limited modbus.  Mostly for reading and setting coils.   I am looking for a way to send the gripper two control commands.   Just to open and close.  It will be triggered by a contact closure of the controller.   Is this even possible?   Is there a cheap PLC that I could do this with?  Forgive my lack of knowledge on automation control.  Any help would be great.