Atmel ATAVRAUTO200 Guía de usuario descargar pdf (Pagina 8)

Using the ATAVRAUTO200

2-6 ATAVRAUTO200 User Guide

7698A–AUTO–01/07

Figure 2-4. Power supply measurement through ADC1

2.4.3 Motor relay

DC Motor can be operated through a relay. It is supplied with Vbat, -Vbat or 0V.

 The relay allows the motor to be operated in two rotating directions, or to be stopped.

Table 2-2. Motor Relay commands

Figure 2-5. Motor on board command schematics

Function Port State Description

Mot_A PB1 Low/ Relay coil1 OFF (Normaly closed switch activated)

High Relay coil1 ON (Normaly opened switch activated)

Mot_B PB2 Low Relay coil2 OFF (Normaly closed switch activated)

High Relay coil2 ON (Normaly opened switch activated)

Table 2-3. Logical command table

Mot_A Mot_B Motor Supply Description

L L 0V Motor stopped

L H -Vbat Motor running (Direction B)

H L +Vbat Motor running (DirectionA)

H H 0V Motor stopped

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 20 21

Sin comentarios

Atmel ATAVRAUTO200 Guía de usuario Pagina 8