Specifications and Site Requirements
Electrical Specifications
142 MagneMotion
Rockwell Automation Publication MMI-UM007F-EN-P - September 2020
QSMC Motor Controller
The QSMC motor controller is a remote motor controller for the QSHT 1 m motor and the
1/2 m double-wide motor. One QSMC is used for each QSHT 1 m or double-wide motor.
• Input power: 270V DC min – 400V DC max @ 5 A typical, 15 A max (2 sec max)
24V DC ±5% @ 0.6 A (1.75 A max)
• Output Power: 400V max, three-phase, 10 A rms cont., 15 A rms max
•See QSMC Motor Controller on page 127 for the mechanical drawing.
NOTE: The motor controllers draw additional power when the vehicle is moving or acceler-
ating. The amount of additional power that is drawn depends on the velocity and
acceleration of the vehicle, the number of vehicles accelerating at once, and the mag-
net array length. All power wiring must be sized to carry the full load.
The propulsion power input (HVDC) uses a PTC (positive temperature coefficient)
resistor to limit inrush current upon application of power. The PTC is only used for
inrush current limiting and is bypassed in normal operation. Limit cycling of the pro-
pulsion power to 2 minutes between each turn on and 20 seconds between turn off
and turn on (power cycle). Additionally, make sure the Soft Start Off bit in the motor
fault data is set before turning on propulsion power to allow the soft start circuit to
reset for the next power on.
Providing a separate power source for the logic power (LVDC) allows the motors to
be programmed and configured without enabling the propulsion power.
Table 4-12: 1 m Motor Power Requirements
Component Maximum Power
QSMC Motor Controller - Logic power 15 W
Vehicle - Propulsion power Variable
*
* The propulsion power for the controller is fused at 15 A. The motor draws maxi-
mum power when the vehicle is moving at maximum acceleration or velocity.
Contact ICT Customer Support for help with determining the correct power sup-
ply size based on the motor application and the size of the magnet array.
SHOCK HAZARD: 400V DC maximum, 15 A maximum.
DC power must be disconnected before servicing.
NOTICE Any user-supplied power supply must be NRTL/ATL
approved.
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