Assembling A Tier - Siemens SIMATIC S5-95F Manual

5 Expansion of Basic System with External 1/0s
You can expand the programmable controllers by using S5-1OOU external 1/0 modules. If you install
S5-1 OOU external modules, mount the controller,
standard mounting rail and connect them to each other via the ribbon cables of the bus units. Each
bus unit has room available for two 1/0 modules.
Figure 5-1 shows a basic unit expanded with external 1/0s.
Figure 5-1.

Assembling a Tier

5.1
expand a basic system with external 1/0 modules, you need the following parts for each subunit:
To
. An S5-95F basic unit
. Bus units (max. 8)
. 1/0 modules
. Standard mounting rail
Mount the first module on the far left
modules to the right of the first module.
EWA 4NEB 8126210-02
Expansion of Basic System with External /10s
bus units, and interface module on a 35-mm
Installation of a Basic Unit with External 1/0s
end of the standard mounting rail and then add the other
5-1