Reference Design

IRMCS2013

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4.4 Encoder Connection

Plug the encoder connector into J3 as shown in Figure 5. Make sure that encoder signals are connected properly.

Incorrect connection of encoder signals will result in improper rotor position and/or nuisance faults.

Figure 5. Location of Encoder Connector, J3

4.5 RS232 Connection

Connect the serial cable between the computer COM port and the connector assembly made as described in chapter

3.4. Connect the other side to J4 as shown in Figure 6. If there is more than one COM port, please remember which

one you are using. Make sure that the cable is connected properly. Incorrect connection of the serial cable will result in

communication errors and/or incorrect communication.

Figure 6. Location of RS232 Connector, J4