Commissioning
8.3 Commissioning check list
S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
8-5
8.3
Commissioning check list
Introduction
After you mounted and wired your S7-300, we advise you to check all previous steps once
again.
The check list tables below are a guide for your examination of the S7-300. They also
provide cross-references to chapters containing further information on the relevant topic.
Racks
Points to be examined are in the manual
S7-300: Installation in chapter
Are the rails mounted firmly to the wall, in the frame or in the
cabinet?
Configuring, Installation
Have you maintained the free space required?
Configuring, Installation
Are the cable ducts installed properly?
Configuring
Is the air circulation OK?
Installing
Concept of grounding and chassis ground
Points to be examined are in the manual
S7-300: Installation in chapter
Have you established a low-impedance connection (large
surface, large contact area) to local ground?
Configuring, Appendix
Are all racks (rails) properly connected to reference potential
and local ground (direct electrical connection or ungrounded
operation)?
Configuring, Wiring, Appendix
Are all grounding points of electrically connected modules and
of the load power supply units connected to reference
potential?
Configuring, Appendix
Module installation and wiring
Points to be examined are in the manual
S7-300: Installation in chapter
Are all modules properly inserted and screwed in?
Installing
Are all front connectors properly wired, plugged, screw-
tightened or latched to the correct module?
Installation, Wiring