Installation
7.8 Installing a communications processor
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
255
4. Disconnect the plug for the supply voltage.
5. Disconnect the cables at the CPU:
– R-CPU: Disconnect the PROFINET cables.
– H-CPU: Disconnect the PROFINET cables and fiber-optic cables.
6. Undo the CPU fixing screw(s).
7. Swivel the CPU out of the rail.
Device damage caused by electrical fields or electrostatic discharge
Electrostatic sensitive devices (ESD) are individual components, integrated circuits, modules
or devices that can be damaged by electrostatic fields or electrostatic discharge.
Device damage caused by electrical fields or electrostatic discharge
Electrical fields or electrostatic discharge can cause function failures that result from
damaged individual components, integrated circuits, modules or devices.
• Pack, store, transport and send electronic components, modules or devices only in the
original product packaging or in other suitable materials, e.g. conducting foam rubber or
aluminum foil.
• Only touch components, modules and devices when you have grounded yourself with
one of the following measures:
– Wear an ESD wrist strap
– Wear ESD shoes or ESD grounding strips in ESD areas with a conducting floor
• Place electronic components, modules and devices only on conducting surfaces (table
with ESD coating, conducting ESD plastic foam, ESD packing bag, ESD transport
container).
7.8 Installing a communications processor
Introduction
The communications processors (CPs) are then installed on the R-CPU.
Installing a communications processor in the H
-system
-system, you need an active backplane bus to install the communications
processors. You can find more
information in the Active backplane bus
(https://support.industry.siemens.com/cs/de/de/view/109778694/en) Equipment Manual.
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