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1. Safety
1-13
(3) Install at the ambient temperature ranged 0~45℃.
(4) Secure sufficient space for the easier disassembly and maintenance.
(5) Install safety fence with a gate, and prohibit any person from entering the
robot's working envelope.
(6) Remove any obstacles out of the robot’s working envelope.
(7) Take a special measure, considering thermodynamics of controller, if the
robot is installed near the heating elements or places exposed directly to the
sun.
(8) Take a special measure if the robot is installed in a place of abundant dust
such as metal powder in the air.
(9) Install the robot not to transmit welding electric current. (In other word,
insulate SPOT GUN with/from the robot’s wrist.)
(10) Grounding is very critical in preventing electric shock and malfunction caused
by noise, and thus install as following instructions.
① Install an exclusive grounding terminal using class 3 or higher. (For the
input voltage of 400V of higher, use special class 3 or higher.)
② Connect grounding line into the grounding bus-bar inside of the control
panel.
③ In case of direct grounding on the floor by anchoring, two-point grounding
both by robot manipulator and by controller can produce a “ground loop”
and contrariwise cause abnormal operation. In this case, connect the
grounding line to the base of robot manipulator and disconnect the
second grounding point to the controller. If the robot vibrates even after
stopping, double-check the grounding status because the possible main
causes could be an incomplete grounding or “ground loop” .
④ In the use of internal transgun(GUN), there is a possible danger of
dropping because the primary power cable is directly connected to the
spot gun. In this case, directly connect the grounding line to the base of
robot manipulator in order to prevent any electric shock and protect the
control panel, but do not connect it to the controller.