Siemens SIMATIC TI500 Spezifikationen Seite 101

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4-18
Installing 575 System Hardware SIMATIC 545/555/575 System Manual
Installing the 575 Power Supply (continued)
Refer to Figure 4-11 and follow the steps below to connect input power to
the VME power supply module.
1. Disconnect power to the base.
!
WARNING
To minimize risk of shock hazard, always turn off all power to the base before
attempting the wiring procedure.
Failure to turn off power could cause death or serious injury to personnel,
and/or damage to equipment.
Ensure that all power is disabled before attempting the wiring procedure.
2. Loosen the three power connector screws.
3. Connect wires as appropriate for your power supply module.
Ensure that you have followed the grounding guidelines in Section 2.8.
CAUTION
Ensure that PPX:5756663 power supply is set to operate on 110 VAC or
220 VAC to match the input power. Section 4.7 describes how to select input
voltage for the PPX:5756663.
Attempting to operate the power supply at 220 VAC with 110 VAC selected, or
110 VAC with 220 VAC selected, will result in damage to the power supply.
Double-check your power supply voltage before you attempt the operation.
4. Tighten screws to no more than 8 inlb (0.9 Nm) torque.
Wiring Procedure
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