Avery Dennison ALS 204 Service And Installation Manual page 182

9 R
EPAIR
9.2 P
OWER SUPPLY
24 V PLC
The machine fans are driven by 24 V.
Unplug fan.

Measure voltage at the fan connector.

The following LEDs indicate that the PLC voltage
appies properly:
– Yellow LED [202A] next to the 15pin D-Sub connec-
tor at the CPU connector plate (D901).
– Yellow LED [203A] close to the 10pin connector on
the CPU board (D901).
17/75 V motor voltage
A running power supply fan indicates, that 17/75 V are
available.
The following LEDs indicate, that the motor voltage
applies properly:
– 75 V: Green LED [204B] next to the small inductor
on the motordriver board (D203).
– 17 V: Green LED [204A] next to the big inductor on
the motordriver board (D405, indicates 3.3 V which
are generated out of 17 V).
ALS 256
[202] LED (A) at the CPU board indicating the correct PLC voltage .
[203] LED (A) indicating the correct PLC voltage on the CPU board.
[204] LED (A) indicating the correct motor voltages.
182
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A
A
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ALS
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