July 2013 2.5 Overview of components 95
PSL 135
PSL 135 power supply unit for supplying the
HSCI components in a multi-row configuration
or for using a non-HEIDENHAIN inverter
system.
The PSL 135 power supply unit was conceived
in order to be able to provide the HSCI
components of the iTNC 530 with +24 V NC
voltage, +24 V PLC voltage and +5 V.
The output voltages of the PSL 135 fulfill the
requirements for Protective Extra Low Voltage
(PELV) according to EN 50178. The power
supply unit is powered with line voltage (L1, L2)
and the DC-link voltage Uz. This is used to
produce the +24 V NC, +24 V PLC, and +5 V
output voltages.
Please observe the information and regulations
for the power connection cited under "PSL 13x
low-voltage power supply unit" on page 237 and
in the "Inverter Systems and Motors" Technical
Manual.
PSL 135 ID 627032-xx
Variant Changes to PSL 130
xxx xxx-y1 Prototype
xxx xxx-y2 Initial version
xxx xxx-y3 Change
Variant Changes to PSL 135
xxx xxx-y1 Initial version
xxx xxx-y2 Change
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