Siemens Simatic S7-1500R System Manual page 98

Minimum clearances
Modules can be mounted right to the outer edge of the mounting rail. Maintain the following
minimum clearances when installing or dismantling the S7-1500R/H redundant system.
①
Figure 4-1
Installation rules
The redundant system configuration consists of:
R/H-CPU and an optional load or system power supply.
Protection from conductive contamination
Taking into consideration the ambient conditions, the devices must be protected from
conductive contamination.
Protection from conductive contamination can, for example, be achieved by installing the
devices in a control cabinet with the appropriate degree of protection.
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
Upper edge of the mounting rail
Minimum clearances in the control cabinet
WARNING
Installation
4.1 Basics
97