User manual

57 Publication 1747-UM011F-EN-P - May 2007

Chapter

System Installation Recommendations

To help you install the SLC 500 programmable controller as safely and

securely as possible, follow the specific recommendations in this

chapter. For general installation guidelines, also refer to the

requirements specific to your region.

• Europe: Reference the standards found in EN 60204 and your

national regulations.

• United States: Refer to article 70E of the National Fire Protection

Association (NFPA). It describes electrical safety requirements

for employee workplaces.

This chapter covers the following:

• System overview

• Typical installation

• Spacing your controllers

• Preventing excessive heat

• Grounding guidelines

• Master control relay

• Power considerations

• Safety considerations

• Preventive maintenance