Overview
1.4 Standard installation components
Extension Units KPxx
18
Operating Instructions, 05/2019, A5E43600360-AC
Rear
The figure below show the enclosure without a rear panel cover using the Extension Unit 22"
as an example.
Note that the sequence of the slot numbering is reversed when you view the Extension Unit
from the rear.
①
Marking for the top of the extension unit
②
105 mm connecting cable of the internal bus
③
305 mm connecting cable of the internal bus, included as standard, for connecting to the communication module
④
50 mm connecting cable of the internal bus
⑤
500 mm connecting cable of the internal bus
For information on the various connecting cables, see section "Cable lengths for the
Extension Unit Advanced (Page 36)".
Interfaces of the communication modules
You can find a description of the interfaces of the respective communication module in the
connection compartment of the Extension Unit in the section "Technical specifications
(Page 81)".
1.4
Standard installation components
Only installation elements with Siemens approval may be used in the Extension Unit.
Ordering information on approved installation elements is available in this section and on the
Internet at the following addresses:
●
System components for IP65 fully-enclosed devices > Extension Units
https://mall.industry.siemens.com/mall/en/WW/Catalog/Products/10046164
●
System components for PRO devices (
http://w3.siemens.com/mcms/pc-based-
automation/en/industrial-pc/special-hmi-devices/ip65-versions/Pages/Default.aspx