
Specifications and Site Requirements
Electrical Specifications
48
MagneMotion
Rockwell Automation Publication MMI-UM002E-EN-P - March 2016
DC Enable
The DC Enable connector (J4) is used to monitor the status of the power supply and to control
the motor propulsion power from the MM LITE power supply to the motors remotely. Refer
to
for the location of this connection.
A user-supplied cable can be used to provide remote DC Enable functionality. This functions
to enable or remove propulsion power. If vehicles are moving on the system and propulsion
power is removed, the vehicle motion is longer be controlled by the system, and vehicles will
glide to a stop depending on their payload and motion prior to the loss of power. The system
will still track vehicle IDs as logic power is maintained when propulsion power is removed.
NOTE:
The DC Enable circuit is not the same as an EMO (Emergency Off), which removes
power to the MagneMover LITE transport system.
The DC Enable cable requires a 9-pin male ‘D’ connector that plugs into the MM LITE power
supply at J4. The pinout for this connection is provided in
. The cable should be
constructed using 22 AWG wire for each pin on the connector that is wired, with a maximum
length of 10 meters.
Figure 4-41: DC Enable Circuit
DC Enable Jumper Plug
The DC Enable jumper plug is used when remote control and monitoring of the motor propul-
sion power is not required. This jumper (provided by MagneMotion) is used in place of the
DC Enable cable and is permanently plugged into J4 on the MM LITE power supply.
Figure 4-42: DC Enable Jumper
DC-OK
RTN
+Propulsion Bus Enable
–Propulsion Bus Enable
DC Motor Power Monitor
Power Supply
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2
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4
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