9.2 Check Before Powering On For The First Time - Siemens Simatic S7-1500R System Manual

9.2 Check before powering on for the first time
Before the first power-on, check the installation and the wiring of the S7-1500R/H redundant
system.
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 STEP 7 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 STEP 7.
● Are the PROFINET devices in the S7-1500R/H redundant system connected as a
PROFINET ring?
System power supply or load power supply
● Are all system power supplies and load power supplies switched off?
● Is the power cable connector correctly wired?
● Has the connection to line voltage been established?
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA

9.2 Check before powering on for the first time

Commissioning
179