5.3 Cable Connections to Robot 2. Connect the free end of the Robot Encoder cable to the Robot Encoder connector on the eMB-40M. Tighten the screws securely. eMB-40M. Tighten the screws securely. ! CAUTION: Verify that all connectors are fully inserted and screwed down. Failure to do this could cause unexpected robot motion. Also, a connector could get pulled out or dislodged unexpectedly. 50 Cobra 450, 500, and 650 User's Guide 19148-000 Rev. E