Locking the front panel
You can lock the front panels to protect the SIMATIC memory card and the mode selector of
the 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) and assign a password for the display. You can find additional
information on the display, configurable protection levels and local locks in the S7-1500,
ET 200MP (https://support.industry.siemens.com/cs/ww/en/view/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
(https://support.industry.siemens.com/cs/ww/en/view/109761758).
CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Equipment Manual, 07/2021, A5E40882737-AB
Locking latch on the CPU
Product overview
2.5 Operating and display elements
39