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We have a very old Adept robot system that has been running for 20 years and with minimal issues, so I am very out of practice working with it. The setup is an Adept Cobra 800, MV Compact Controller with the amps, AWC board, and VJI board. This week the PC could not communicate with the controller, and the network connection to the AWC board kept saying connected, then not connected alternating every few seconds. We figured there was a malfunction with the ethernet/network functionality on the AWC board. We installed a new AWC board, and swapped the memory card from the old board to the new board. I was able to connect to the controller via the PC. However if we try to enable power and calibrate the robot, it says "no robot connected to system". When V+ loads in the Adept Windows terminal, it does not show any robot ID or serial number. Also am getting a message at the top which I don't remember if was tehre before or not that says "protection error". Any ideas on why the robot is not detected, or if what I did wasn't correct?

So just for anyone might interested, this past one year Omron had completely acquire Adept Robotics (California based robot manufacturer). The products acquired including all Delta Arms and SCARA (Quattro, Hornet, Cobra), also some Articulated / 6-axes robots (Viper), programmed with the ACE software. Other than that Adept also have Lynx AIV whose name is now changed to LD-Series. Aside from having an already established Robot Controller with by acquiring Adept, Omron also developing it's NJ CPU to control mechanical arms that can be user-built, with condition that it uses EtherCAT based Servo Control. The current version of NJ501-4XXX series PLC supports control over Delta Arms (3-axes + Rotation, 3-axes, 2-axes + Rotation, 2-axes), SCARA, and your usual Gantry XYZ+Rotation robot.   If anyone interest to discuss something about those do post here, or maybe create your own thread.