Extension Unit And Operator Controls - Siemens SIMATIC IPC477E PRO Operating Instructions Manual

2.5.4

Extension Unit and operator controls

Extension components - Extension Unit
The Extension Unit is used to install additional operator controls under a SIMATIC PRO
device of the type "Suitable for extension components" with 16:9 display.
The example in the figure below shows the Extension Unit 22" with eight operator controls
including emergency stop button.
The Extension Units have individual configuration possibilities and are supplied without
operator controls. The available slots are suitable for installation of operator controls.
The extension units are available in 4 different sizes:
● 12"
● 15"
● 19"
● 22"
For greater flexibility, three different connection options can be selected per size for the PLC
connection of the operator controls:
● Hardwired
● PROFINET
● PROFIsafe
In addition, different operator controls such as emergency stop, selector switch, illuminated
pushbutton, keyswitch, indicator light or RFID reader are available.
Note
Only operator controls with Siemens approval may be installed in the Extension Unit.
You can find information on "System components for PRO device Extension Units" on the
Internet (https://support.industry.siemens.com/cs/de/de/view/109742323/en).
SIMATIC IPC477E PRO
Operating Instructions, 08/2017, A5E39912462-AA
Overview
2.5 System components
19