36 A255 Robot Arm User Guide
99-04-23
3. Secure the cable grounding strap to the grounding point beside the connector,
with the grounding screw, using a Phillips(+) screwdriver.
Warning! Secure the cable grounding strap to the grounding point. Improper cable grounding can s
the loss of arm position.
4. Connect the other end of each cable to the base of the robot arm. There is no
grounding strap or grounding screw at the arm end.
5. Check all four connections to ensure that they are secure.
Disconnecting the Umbilical Cables
If you need to disconnect the umbilicals, for example, for service, follow this
procedure.
Before you begin:
• Ensure the controller main power switch is OFF.
Warning! Turn off power. Disconnecting the 57 pin feedback cable, while the other cable
is connected and power is on, can cause incomplete control of the arm or cause the arm
to run out of control.
1. At the controller, disconnect the grounding strap from the grounding point on
the rear panel of the controller.
a. Turn the locking ring counter-clockwise to release the connector.
b. Pull the cable connector straight out from the controller connector.
2. At the arm, turn the locking ring counter-clockwise to release the connector.
a. Pull the cable connector straight out from the arm connector.
Next Steps
If you have not yet installed the controller, proceed to the C500C Controller User
Guide, Installation chapter, and install the controller.
If you have installed the arm and the controller, proceed to the next chapter,
Commissioning the Arm, to test the functionality of your system and ensure proper
operation of the arm.
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