
3-9
SIMATIC 545/555/575 System Manual
Installing 505 System Hardware
2. If you are installing the PPX:505–6660 or PPX:505–6660–A or –B
power supply, connect the voltage selector as shown in Figure 3-4.
220 V 110 V
TAB1TAB2
220V
110V
Selecting voltage for the
PPX:505–6660 power supply.
Selecting voltage for the
PPX:505–6660–A
power supply.
JP5
JP3
220V
110V
Selecting voltage for the
PPX:505–6660–B power supply.
Figure 3-4 Input Voltage Selectors
3. Position the power supply so that the bezel is facing you.
4. Grasp the top and bottom of the power supply.
5. Carefully push the power supply into the slot until it mates with the
backplane connectors.
6. Tighten top and bottom bezel screw to between 2.6 in–lb (0.3 N–m) and
5.2 in–lb (0.6 N–m) torque.
To remove the Series 505 power supply, simply reverse the procedures used
during installation.
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