Mounting and connecting the Extension Unit
3.2 Preparing the installation
Extension Units KPxx
Operating Instructions, 05/2019, A5E43600360-AC
31
3.2.3
Specifying the operator controls and slots
The description below refers to the front view of the Extension Unit in the standard position,
i.e. seal in the mechanical interface of the PRO device on top.
The figure below shows the slots of an Extension Unit 22" as an example.
1.
With Extension Unit Standard Hardwired, the slots for standard operator controls are
numbered beginning in the center.
The slots are limited on the left and right by the size of the display, see section "Special
feature of the Extension Unit Hardwired".
2.
With Extension Units PROFINET and PROFIsafe (Standard and Advanced), the slots for
Standard operator controls are sequentially numbered from 2 to 13 (1 is reserved for the
communication module).
The number of slots is limited on the right to the display size: maximum 12 slots (22"
device version).
3.
With Extension Units PROFINET and PROFIsafe Advanced, the slot numbers for
Advanced operator controls are sequentially numbered in the order of their wiring (see
rear panel) from 14 to 45.
–
The slot numbers also refer to the implementation in the TIA Portal.
–
The first 13 TIA slots are reserved for the 12 standard operator controls and the
communication module (see dashed arrow in the figure above).
–
The Advanced operator controls are configured starting with slot 14 (see screenshot in
the figure above).
NOTICE
Slot number = sequence of the wiring
The slots must be configured in the order in which the Advanced operator controls are
wired in the TIA Portal, with no gaps in between: The slot is independent of the
mounting space.
The number of maximum possible slots for Advanced operator controls increases with the
display size (see section "Extension Unit Advanced (Page 12)").
