Installation, Operation, & Maintenance
14
MMC Hardware Manual
G & L Motion Control Inc.
You are not required to install the system rack in a control cabinet.
However a cabinet protects the system from dust and mechanical
damage and is recommended.
Power distribution is shown in
. Install the
system rack away from all sources of strong electromagnetic noise.
Such noise can interfere with MMC operation.
Protect the MMC system from all the following:
•
conductive fluids and particles
•
corrosive atmosphere
•
explosive atmosphere
The diagrams and recommendations may be modified if necessary
so the wiring conforms to current NEC standards or government
regulations.
3.4.2
Control Cabinet Specifications
The control cabinet housing the MMC:
•
should have a NEMA-12 rating or better. A cabinet with this rat-
ing protects its contents from dust and mechanical damage.
•
must be large enough to provide adequate air circulation for
the MMC, drives, and other components. Always allow for
adequate air flow through the MMC vents.
•
must have a rigid vertical surface to mount the MMC on.
•
should be positioned to allow the cabinet door to open fully
for easy access to the MMC Control.
3.4.3
Power Distribution Diagram
The MMC requires an external DC power source. The power
distribution drawing that follows shows an MMC connected to an
Analog Interfaced MMC-SD Drive. The drive’s 24 VDC power is
IMPORTANT
Post warnings according to National, State, or local
codes for the voltage present in the control cabinet.
Содержание MMC-A2
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