7
30
30. Motor and motor control
438 9145-81/07
06.42
Service
Manual
The motor control is also able to deliver various
instantaneous and output values during con
-
stant speed, acceleration and retardation. These
values are used to calculate the weight of the
loaded laundry and to detect any load imbalan
-
ces. A separate imbalance breaker can also be
connected to the motor control.
The safety system of the machine includes
double detection of the door lock. Both the
programme unit and motor control use different
switches to detect proper door locking. The mo
-
tor cannot start unless both switches verify the
door is locked.
Inputs and outputs
X301: Serial communication
Handles communication between the motor
control and the programme unit. Using a spe
-
cial interface, it is possible to connect a PC for
testing the motor control.
Card No. Function
X 301:2 Gnd
X 301:3 Txd
X 301:4 Rxd
X302: Lock sequence input
Detects when the door is locked or unlocked.
The motor cannot start until the door has been
locked. If the indication disappears when the
motor is operating, the motor stops and an er
-
ror message is shown on the programme unit
display.
Input voltage
min: 120 V-20 % 50/60 Hz
max: 240 V+15 % 50/60 Hz
Current: max: 0,01 A
X301
1
X302
1
5181
Fig.
4
4
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