IAI America MSCON - Manual (Page 22)

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1) Control power supply input connector
[Refer to 2.2 [2] Power Supply Circuit and Brake Circuit]
Supply 24V DC power for control. For an actuator equipped with a brake, also supply 24V DC
power for brake control. (Do not attempt to connect it when there is no actuator with a brake.)
2) Power supply status LED
It shows the status of control power source and driving source.
[Refer to 3.6 Power Supply and Cutoff for the details.]
3) Regenerative resistor unit connector
[Refer to 2.2 [6] Regenerative Resistor Circuit]
This is a connector to plug in the external regenerative unit.
4) Motor power supply input connector
This is a connector to supply power to MSCON.
5) Screw terminal for protective grounding
It is the terminal for the connection of ground cable to prevent electric shock and noise.
It connects to the PE terminal on the motor power supply connector inside MSCON.
6) Fan unit
This is the fan unit to cool down the controller. This unit can be detached from the controller
for maintenance by removing the two screw in the front of the controller.