Operating Mode Buttons - Siemens SIMATIC S7-1500R/H Manual

Product overview

3.6 Operating mode buttons

①
②
③
④
Figure 3-7 View of the CPU 1515R‑2 PN - rear
3.6 Operating mode buttons
You use the operating mode buttons to:
• Request a change to a specific operating state
• Disable or enable the change of a specific operating state
(If, for example, the STOP mode button is active, you cannot switch the CPU to RUN via a
communication task configured in the TIA Portal or via the display)
The following table shows the meaning of the corresponding operation of the operating
mode buttons.
Table 3-1 Meaning of the operating mode buttons
Operation of the operating mode but­
tons
RUN
STOP
1. Press the STOP operating mode but­
ton.
Result: The RUN/STOP LED lights up
yellow.
2. Press the STOP operating mode but­
ton until the RUN/STOP LED lights up
for the second time and remains con­
tinuously lit (after three seconds).
After this, release the button.
24
Shield contact surfaces
Plug-in connection for power supply
Plug-in connection for backplane bus
Fixing screws
Meaning
RUN mode
STOP mode
Manual memory reset
(with inserted SIMATIC
Memory Card)
or
Reset to factory settings
(without inserted SIMATIC
Memory Card)
Explanation
The CPU has permission to go to RUN.
The CPU does not have permission to go to RUN.
The CPU performs a memory reset.
or
The CPU is reset to factory settings.
You can find more information on this in system
manual S7-1500R/H redundant system.
CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD