Siemens SIMATIC IPC277G PRO Operating Instructions Manual page 17

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 3 different sizes:
• 12"
• 15"
• 19"
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/us/en/view/109742323).
Additional information
Information on system components for devices with all-round IP65 protection is available on
the Internet (https://mall.industry.siemens.com/mall/en/de/Catalog/Products/10268745).
SIMATIC IPC277G PRO
Operating Instructions, 02/2022, A5E51373692-AA
Overview
1.4 System components
17