00197042-04_SM_X-Serie-S_Customer_EN.pdf - 第92页
3 Power supply 3.5 Power supply and transformer module (from serial number Hxxxx) 92 Service Manual SIPLACE X-Serie S 06/2019 DANGER Checking for absence of voltage! ► Before you start working check the power supply for …
3 Power supply
3.5 Power supply and transformer module (from serial number Hxxxx)
Service Manual SIPLACE X-Serie S 06/2019 91
Fig.105: LED on the capacitor battery(CAP)
► Check the LED on the capacitor battery
(CAP).
DANGER!
Once the LED on the capacitor battery
(CAP) does not light any longer, it is
possible to work on the power supply
without hazard!
.
3.5.5 Replacing the buffer module
Parts, equipment and tools
●
Buffer module PCS417.771 [03106016-xx]
Overview
Fig.106: Buffer module
1. Buffer module
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.
3 Power supply
3.5 Power supply and transformer module (from serial number Hxxxx)
92 Service Manual SIPLACE X-Serie S 06/2019
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 3.5.4 "Checking For
Absence of Voltage" [}86].
► 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.107: Removing the buffer module
► Unplug all electrical connections(1) for
the buffer module. If necessary, mark
their positions to make clear assign-
ment easier later on.
► Undo the fastening screws(2).
► Lift the buffer module off the rail.
Installation
► Follow the removal instructions in reverse order for installation.
3 Power supply
3.5 Power supply and transformer module (from serial number Hxxxx)
Service Manual SIPLACE X-Serie S 06/2019 93
3.5.6 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.108: 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 3.5.4 "Checking For
Absence of Voltage" [}86].
► Pull the power supply out of the machine.
3.3 "Pulling out the Power Supply" [}51]