X20 system modules • Motor controllers • X20MM4331
X20 system User's Manual 3.10
1947
4.25.4.7 Output circuit diagram
Logic
High-side
24 V undervoltage monitoring
24 V
External supply
Motor x +
GND
24 V
GND
Ex
te
rn
al
Po
w
er
s
up
pl
y
24 V
External supply
I/O status
LED (orange)
Output monitoring
Output status
Current value
Logic
Low-side
Output status
4.25.4.8 Function description - Motor operation
Four DC motors can be operated with the module. Each output is designed as a half-bridge.
V
cc
GND
M
GND
Low-side driver
High-side driver
Description of the operating modes using the basic circuit diagram shown above:
Operating mode
Description
Motor is running
If the high-side driver is active, the motor is switched on.
Brakes
If motor braking should take place, the high-side driver is first switched off and then the low-side driver is activated.
In this way, the motor windings are short-circuited and the motor braking takes place.
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