00198829-01_SM_X-Series-S_Hxxxx_EN.pdf - 第55页
3 Power supply 3.4 Power supply and transformer modules Service Manual SIPLACE X-Series S (from Hxxxx) 01/2021 55 Removal ► Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorize…
3 Power supply
3.4 Power supply and transformer modules
54 Service Manual SIPLACE X-Series S (from Hxxxx) 01/2021
Fig.55: LED on the buffer module(CAP)
► Check the LED on the buffer module
(CAP).
DANGER!
Once the LED on the buffer module
(CAP) does not light any longer, it is
possible to work on the power supply
without hazard!
.
3.4.4 Replacing the buffer module
Parts, equipment and tools
●
Buffer module PCS417.771 [03106016-xx]
Overview
Fig.56: Buffer module
1. Buffer module
3 Power supply
3.4 Power supply and transformer modules
Service Manual SIPLACE X-Series S (from Hxxxx) 01/2021 55
Removal
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation. Observe the instructions in section 1.2
"Preparatory work..." [}16].
DANGER
High voltages
High DC voltages can be present in the buffer module.
► Observe the waiting period after power supply switch-off (5 minutes).
► Observe the LED display on the buffer module. This will show any residual voltages
still present.
DANGER
Checking for absence of voltage!
► Before you start working check the power supply for absence of voltage and observe
the waiting times! For more information about this read section 3.4.3
"Checking For
Absence of Voltage" [}49].
► Slightly pull the power supply out of the machine.
WARNING
Carefully pull out the power supply
The power supply is not permanently fixed and can fall out of the machine.
► Pull the power supply out of the machine but not too far.
► If necessary, use suitable support e. g. a wooden beam.
Fig.57: Removing the buffer module
► Unplug all electrical connections(1)
from the buffer module. You may want
to mark the positions of these connec-
tions to make clear assignment easier
later on.
► Loosen the four fastening screws(2).
► Lift the buffer module off the rail.
Installation
Follow the removal instructions in reverse order for installation.
3 Power supply
3.4 Power supply and transformer modules
56 Service Manual SIPLACE X-Series S (from Hxxxx) 01/2021
3.4.5 Replacing the Contactor Safety Breaker [03112066-xx]
DANGER
High voltages
High DC voltages can be present in the contactor safety breaker.
► No parts of the contactor safety breaker may be replaced.
► Only the front cover of the contactor safety breaker may be dismantled for connecting
cables or removing the complete unit.
► The contactor safety breaker may only be replaced as a complete unit.
Parts, equipment and tools
Fig.58: Contactor safety breaker [03112066‑xx]
●
Contactor safety breaker [03112066‑xx]
Removal
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
DANGER
Checking for absence of voltage!
► Before you start working check the power supply for absence of voltage and observe
the waiting times! For more information about this read section 3.4.3
"Checking For
Absence of Voltage" [}49].
► Pull the power supply out of the machine.
3.3 "Pulling out the Power Supply" [}47]
Fig.59: Cover – fastening screws
► Remove the six screws(2) fastening the
cover(1)
.