00197042-04_SM_X-Serie-S_Customer_EN.pdf - 第63页

3 Power supply 3.4 Power supply and transformer module (up to serial number Gxxx) Service Manual SIPLACE X-Serie S 06/2019 63 3.4.10 Replacing the load add circuit (A4) Parts, equipment and tools ● FBG dyn. load add circ…

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3 Power supply
3.4 Power supply and transformer module (up to serial number Gxxx)
62 Service Manual SIPLACE X-Serie S 06/2019
3.4.9 Replacing the Rectifiers (U1 to U3, U20 to U24)
Parts, equipment and tools
U1, U3: rectifier S101-B6U 160-08 [00341246-xx]
U2: rectifier S61-B2U 28-10 [03080931-xx]
U20 to U24: rectifier S61-B2U 28-04 [03079959-xx]
Silicon-free heat-conductive paste (not electrically conductive)
Thermal conductivity 1.0 W/mK
Dielectric strength 40kV/mm
Temperature range -40°C to +200°C
Flash point >280°C
Suggested supplier: Bürklin OHG, order number 80 B 531
Overview
Fig.62: Rectifiers
1. Cover
2. Rectifier U24
3. Rectifier U3
4. Rectifier U1
5. Rectifier U2
6. Rectifier U20 to U23
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
Before you start working, check the power supply for absence of voltage and observe the
waiting times!
Remove the screws fastening the cover and swing the cover towards the front. The AC/DC
converters are also fitted on the cover. These are swung away with the cover.
Unplug all connections to the rectifiers. You may want to mark their positions, to make clear
assignment easier later on.
Remove the screws fastening the rectifier and remove the rectifier.
Installation
Follow the removal instructions in reverse order for installation. Also observe the following
instructions:
Apply a heat-conductive paste between the metal frame and the rectifier.
3 Power supply
3.4 Power supply and transformer module (up to serial number Gxxx)
Service Manual SIPLACE X-Serie S 06/2019 63
3.4.10 Replacing the load add circuit (A4)
Parts, equipment and tools
FBG dyn. load add circuit intermediate cycle [03094585Sxx]
(replaces: LZS260/1000 [03061114-xx])
Overview
Fig.63: Overview of line filter and load add circuit
1. Cover
2. Line filter (Z1)
3. Load add circuit (A4)
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
Before you start working, check the power supply for absence of voltage and observe the
waiting times!
Remove the screws fastening the cover and swing the cover towards the front. The AC/DC
converters are also fitted on the cover. These are swung away with the cover.
Unplug all connections to the load add circuit. You might like to mark their positions to make
clear assignment easier later on.
Remove the screws fastening the load add circuit and remove the load add circuit.
Installation
Follow the removal instructions in reverse order for installation.
3 Power supply
3.4 Power supply and transformer module (up to serial number Gxxx)
64 Service Manual SIPLACE X-Serie S 06/2019
3.4.11 Replacing the line filter (Z1)
Parts, equipment and tools
Line filter for 3-phase systems 36A (Z1) [03078386-xx]
Overview
Fig.64: Overview of line filter and load add circuit
1. Cover
2. Line filter (Z1)
3. Load add circuit (A4)
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
Before you start working, check the power supply for absence of voltage and observe the
waiting times!
Remove the screws fastening the cover and swing the cover towards the front. The AC/DC
converters are also fitted on the cover. These are swung away with the cover.
Unplug all connections to the line filter. You might like to mark their positions to make clear
assignment easier later on.
Remove the three screws fastening the line filter and then take the line filter off.
Installation
Follow the removal instructions in reverse order for installation.