Questions for checking
The following questions provide instructions for checking your system in the form of a
checklist.
Rack
•
Are the mounting rails firmly mounted to the wall, in the frame, or in the cabinet?
•
Are the cable ducts correctly installed?
•
Have the minimum clearances been observed?
Grounding concept
•
Are the mounting rails connected to the protective conductors?
•
If applicable, are all further protective conductor connection points on the S7-1500R/H
redundant system connected to the protective conductor? Has the protective conductor
been tested?
•
Are the required equipotential bonding cables connected with low impedance to the
relevant sections of the plant?
Module installation and wiring
•
Are all the modules inserted / installed in accordance with the installation plan and
configuration with STEP7 and screwed firmly to the mounting rails?
•
Have all synchronization modules been installed and locked in the S7-1500H redundant
system? You should hear the modules click into place in the module slots.
•
Are all redundancy connection connectors in the S7-1500H redundant system correctly
connected to the LC sockets? You should hear the connectors click into place in the LC
sockets.
•
Are the redundancy connections (PROFINET cable) between the CPUs in the S7-1500R
redundant system connected to the correct ports of PROFINET interface X1? The ports
used must correspond to the configuration in STEP7.
•
Are the PROFINET devices in the S7-1500R/H redundant system connected?
Load current supply
•
Are all load current supplies switched off?
•
Is the power cable connector correctly wired?
•
Has the connection to line voltage been established?
11.3 Commissioning procedure
Requirements
•
The CPUs are in the "Factory settings" state or have been reset to factory settings. You can
find more information in the section Resetting CPUs to factory settings (Page 338).
•
The CPUs have the same or compatible article numbers.
246
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
Commissioning
11.3 Commissioning procedure