12
ControlLogix® Controller and Memory Board
Publication
1756-IN101J-EN-P - November 2004
Prepare the Chassis
Before you install a controller, do these preliminary steps:
Remove the Controller from the Chassis, If Required
You can install or remove a controller while chassis power is on and
the system is operating. If you remove the controller, all the devices
owned by the controller go to their configured fault state.
Repeated electrical arcing causes excessive wear to contacts on both
the module and its mating connector. Worn contacts may create
electrical resistance that can affect module operation.
1.
On the top and bottom of the controller, press the locking
tabs.
2.
Slide the controller out of the chassis.
Install a ControlLogix chassis.
Install a ControlLogix power supply.
WARNING
When you insert or remove the module while backplane
power is on, an electrical arc can occur. This could cause
an explosion in hazardous location installations. Be sure
that power is removed or the area is nonhazardous
before proceeding.
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Содержание 1756-ENBT ControlLogix
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