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Installation
Installation Overview
The following installation requirements, methods and procedures are provided to
ensure reliable and trouble free installation and operation of your Emerson Motion
Control 525 PMC.
The methods and procedures are outlined on the following pages and include site
requirements, safety, power and fusing requirements, wire and transformer sizing,
noise suppression and I/O wiring.
The installer has the responsibility to comply with the safety requirements of the
system. This includes installing the system with an appropriate master interlock
switch for emergency shut down, using the proper wire and if necessary,
transformer sizes to fit the system. This section will provide you with the
information to complete a trouble free installation.
Safety
Disconnecting AC power does not immediately remove the stored energy in the bus
capacitance and the external drive may continue to operate until this energy is
dissipated. The time it takes to dissipate the energy in the bus capacitance greatly
depends on the current being drawn out of the capacitors.
The user is responsible for providing emergency interlock switches that will
remove AC power from the system any time the equipment is not running, or
when the emergency stop is activated. This is to eliminate the possibility of
electrocution or unwanted movement of the motor. The safety ground
connections should only be disconnected for servicing, and only after all AC
power has been removed. Even after the removal of AC power, there is a
possibility of stored energy in the drives that must be dissipated before
servicing. Failure to follow proper safety procedures can cause death or
serious injury.
525 Programmable Mo-