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LinMot Installation Guide
5 Power Supply and Grounding
In order to assure a safe and error free operation, and to avoid severe
damage to system components, all system components* must be well
grounded to either a single earth or utility ground. This includes both
LinMot and all other control system components on the same ground
bus.
Each system component* should be tied directly to the ground bus (star
pattern), rather than daisy chaining from component to component.
(LinMot motors are properly grounded through their power cables when
connected to LinMot controllers.)
Power supply connectors must not be connected or disconnected
while DC voltage is present. Do not disconnect system components
until all LinMot controller LEDs have turned off. (Capacitors in the
power supply may not fully discharge for several minutes after input
voltage has been disconnected). Failure to observe these precautions
may result in severe damage to electronic components in LinMot
motors and/or controllers.
Do not switch Power Supply DC Voltage. All power supply switching
and E-Stop breaks should be done to the AC supply voltage of the
power supply. Failure to observe these precautions may result in severe
damage to the controller.
* Inside of the E1200 controller the PWR motor GND and PWR signal GND is connected together
and to the GND of the controller housing. It is recommended that the PWR motor GND is NOT
grounded at another place than inside of the controller to reduce circular currents.
®
NTI AG / LinMot
www.LinMot.com
Page 7/20
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