NEC EU1V0UM00, Quick Start Manual

Motor Control I/O Board User’s Manual 

To control the motor from a GUI on your PC, connect a serial cable to the J9 RS-232 port on the 

MC-IO board and rebuild the code with the GUI

macro option as described later in this manual. 

Figure 5.  Standalone Operation 

Three seconds after power up, the LED displays the current set speed. 

Figure 6.  Speed Display 

4. Standalone Operation 

After power up in standalone mode, the motor can be operated as follows: 

1. Press 

the 

START/STOP

 button to run the motor. 

2.  Turn the potentiometer clockwise to accelerate or counterclockwise to decelerate. 

3.  Wait for the LED to display the actual motor speed calculated from the Hall sensor interrupts. 

4. Press 

the 

FORWARD

 or 

REVERSE

 button to change the rotation direction. 

5. Press 

the 

MODE

 button to display the set speed. 

6. Press 

START/STOP

 to stop the motor. 

Note: If the potentiometer position is set to higher speeds, and the motor rotation is suddenly 

reversed, an error condition may occur due to a timeout or over-current detection and the motor will 

stop operating. To reboot, press the 

RESET

 switch on the MC-IO board, adjust the potentiometer to 

a lower speed and restart.  

5.  Drive and Motor Protection 

The starter kit and the motor are protected against unexpected events such as overload, motor stall 

and malfunction of the Hall sensors. If such faults are detected, the motor stops rotating and the fault 

 4