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8 Power Supply 8.3 Voltage Overview Block diagrams 196 Technical Training SIPLACE TX-Series 10/2016 8.3 Voltage Overview Block diagrams 8.3.1 Circuit Diagram of Power Supply TX The diagram above shows a simple overview o…
8 Power Supply
8.2 Wiring colour description
Technical Training SIPLACE TX-Series 10/2016 195
8.2 Wiring colour description
There is wire colour code to show voltage level of specific single wires. So you can identify voltage
levels at tested parts using wire colors:
Voltage Colour Code Comment
Mains Orange OR All circuits that will show voltage even if
main switch is OFF
Power general Black BK
Neutral line Light blue BU Europe:
According to EN and CE standards
wire color has to be light blue.
USA / Canada:
According to UL standards wire color
has to be white;
PE Green/Yel-
low
GNYE
DC 300 V Pink PK 300V DC link voltage
DC 160 V Grey GY 160V DC link voltage
DC 42 V Violet VT 42V DC link voltage conveyor and
head drives; vision flash voltage
DC 28 V Brown BN 28V FCU supply voltage
DC 24 V Brown BN
DC 24 V safety con-
trolled
Red RD
GND, 0 V White WH
Control general Yellow YE Control, Inputs, Outputs, Emergency
stop
8 Power Supply
8.3 Voltage Overview Block diagrams
196 Technical Training SIPLACE TX-Series 10/2016
8.3 Voltage Overview Block diagrams
8.3.1 Circuit Diagram of Power Supply TX
The diagram above shows a simple overview of the voltage generation with the SMPS.
●
The power pack PS1 converts the mains input AC voltage into 300VDC (for intermediate
circuit voltage man axes) and 160VDC (for intermediate circuit voltage head axis).
●
The 300VDC is run via the backup battery CAP1 to the CSB (Contactor-based Safety
Breaker) the voltage is charged/discharged in a controlled manner via the pre/discharge board
A2 and the energy is backed up by the backup battery CAP1.
●
The power pack PS2 converts the mains input AC voltage into 42VDC.
●
One link of the 42VDC voltage is run via the CSB from where it is then run back to the FDB
and distributed as 42VDC_S (switched).The other link is directly to the discharge head buffer.
●
The power pack PS3 converts the mains input AC voltage into 28VDC.
●
The power pack PS4 converts the mains input AC voltage into 24VDC.
●
This 24VDC voltage is run via the CSB, from where it is then run back to the FDB and
distributed as 24VDC_S (switched).
●
All voltages are protected by the Fuse & Distribution Board (FDB).
8 Power Supply
8.3 Voltage Overview Block diagrams
Technical Training SIPLACE TX-Series 10/2016 197
8.3.2 300 V Intermediate Circuit Voltage for Main Axes
The following diagram illustrates the generation of the 300V intermediate circuit current for the
main axes.
* X303/X304 Service Testing point for DC 300V in/out
●
The 300VDC intermediate circuit voltage for the main axes is generated with the PS1 power
pack and is emitted directly via the CAP1 and the CSB assembly to the MGCU.
●
The capacitor battery CAP1 is charged with this 300VDC.
●
The control of pre-charging and discharging of the main axes in connection with the energy
management in the backup battery is managed by the pre/discharge board -A2 in the safety
breaker assembly (CSB).