3-10 Supplying Power and Ground
The robot requires separate 24 VDC and 200-240 VAC power supplies. The DC supply provides Con-
trol Power and the AC power supply provides power to the internal servo amplifiers for High Power.
The end-user shall install a branch rated overcurrent protection. There must be a branch rated over-
current protection on both the 200-240 VAC circuit, as well as the 24 VDC circuit.
A lockout tagout main disconnect device must be installed on the AC supply to the 24 VDC and also
on the 200-240 VAC power supply. These devices are user-supplied. Disconnect devices shall be ac-
cessible and conveniently located to facilitate application of lockout devices during service and mainte-
nance.
Use the information below to make all power supply connections to the robot.
Additional Information
Refer to
2-3-1 Power Supply Specifications
on page 2-14 for information about power supply
requirements and other wiring details.
3-10-1
Grounding the System
The system should be grounded properly to avoid transient voltages or other electrical noise. There
are three ground points on the system as described below.
• High Power ground
• Chassis ground
• Housing ground
Precautions for Safe Use
The Joint 3 quill and the tool flange are not grounded to protective earth. If hazardous voltages
are present at any user-supplied robot-mounted equipment or tooling, you must install a ground
connection from that equipment or tooling to the ground point on the robot base.
High Power Ground
Chassis Ground
Housing Ground
3 Installation
3-43
i4H Robots User's Manual (I660)
3-10
Supplying Power and Ground
3
3-10-1
Grounding the System
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