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SIMATIC 545/555/575 System Manual

Installing 575 System Hardware

The 16-slot VMEbus base accepts either one of the 575 power supply

modules, PPX:575–6660 and PPX:575–6663. To install a power supply

module, align the metal backplate of the module in the metal guiderails on

the left side of the chassis, as shown in Figure 4-10. Push firmly until the

module is properly seated in the backplane connector and tighten the four

securing screws at the corners of the faceplate.

Align metal backplate

of power supply

module within

guiderails.

Figure 4-10 Installing the 575 Power Supply Module

When you connect your 575 VME power supply module to the external

power source, follow these guidelines.

• Use 14 to 22 AWG solid or stranded wire. If you use stranded wire, the

wire should be twisted and trimmed.

• Strip insulation back 0.4 inches (10mm).

• Insert the wires fully into the terminal block so that the insulation

butts against the block.

NOTE: The power connector is rated for 50 wire insertions at a maximum

torque of 8 in–lb (0.9 N–m).

Installing the 575

Power Supply

Wiring Guidelines

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