Siemens SIMOTION C230-2 Equipment Manual page 66

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Installation

Installing mounting rails

Install the mounting rails as follows:

1. Fit the mounting rail in a position that will allow enough room for the modules to

be installed and for the heat to dissipate (a minimum of 40 mm above and be-

low the mounting rail; see Fig. 4-2).

2. Screw the mounting rail onto the surface where it is to be affixed (screw size:

M6). Is this substrate a grounded metal plate or a grounded mounting plate?

If yes: Make sure that there is a low-resistance connection between the mount-

ing rail and the substrate. If the surface of the metal is, say, painted or anod-

ized, use suitable electro-lubricant or contact washers.

If no: No special action required.

3. Connect the mounting rail with the protective conductor. An M6 protective con-

ductor screw is provided on the mounting rail for this purpose.

Minimum cross section of cable to protective conductor: 10 mm

Note

Always make sure that there is a low-resistance connection to the protective con-

ductor (see Fig. 4-6). If the rack is mounted on a movable frame, for example,

ensure that the lead to the protective conductor is flexible.

Protective conductor connection

Fig. 4-6 shows how the protective conductor must be connected to the mounting

rail.

Fig. 4-6

4-66

Protective conductor connection on the mounting rail

SIMOTION C230-2, 04.2003 Edition

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