Siemens SIMATIC S7-1500 Manual page 33

Pulling and plugging the front panel with display
You can pull and plug the front panel with display during operation.
Personal injury and damage to property may occur
If you pull or plug the front panel of an S7-1500 automation system during operation,
personal injury or damage to property can occur in zone 2 hazardous areas.
Always disconnect the S7-1500 automation system from the power supply before you pull
or plug the front panel in zone 2 hazardous areas. The CPU
retains its operating mode.
Locking the front panel
You can lock the wide front panel with display as well as the narrow front panel of the
PROFIBUS interface to protect your CPU against unauthorized access. You can attach a
security seal or a padlock with a diameter of 3 mm to the front panels.
Figure 2-5
In addition to the mechanical lock, you can also block access to a password-protected CPU
on the display (local lock). You can find additional information on the display, configurable
protection levels and local locks in the S7-1500, ET 200MP
(http://support.automation.siemens.com/WW/view/en/59191792) system manual.
Reference
You will find detailed information on the individual display options, a training course and a
simulation of the available menu commands in the SIMATIC S7-1500 Display Simulator
(http://www.automation.siemens.com/salesmaterial-as/interactive-manuals/getting-
started_simatic-s7-1500/disp_tool/start_en.html).
CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Manual, 12/2017, A5E40882737-AA
WARNING
Locking latch on the CPU
Product overview
2.4 Operating and display elements
33