Operating Mode Buttons - Siemens SIMATIC S7-1500 Manual

2.6

Operating mode buttons

You use the operating mode buttons to set the operating mode of the CPU.
The following table shows the meaning of the corresponding operation of the operating
mode buttons.
Table 2- 6 Meaning of the operating mode buttons
Operation of the operating mode buttons
RUN
STOP
MRES
1. Press the operating mode button STOP.
Result: The RUN/STOP LED lights up yellow.
2. Press the operating mode button STOP until the
RUN/STOP LED lights up for the 2nd time and re-
mains continuously lit (this takes three seconds).
After this, release the button.
3. Press the operating mode button STOP again within
the next three seconds.
CPU 1511-1 PN (6ES7511-1AK02-0AB0)
Equipment Manual, 05/2021, A5E40869673-AB
Meaning
RUN mode
STOP mode
Manual memory reset
(with inserted SIMATIC
memory card)
or
Reset to factory settings
(without inserted
SIMATIC memory card):
Product overview
2.6 Operating mode buttons
Explanation
The CPU is executing the user program.
The user program is not being execut-
ed. (STOP ACTIVE LED lights up).
The CPU executes memory reset.
or
The CPU is reset to its factory settings.
You can find additional information in
the S7-1500/ET 200MP system manual
(https://support.industry.siemens.com/
cs/ww/den/view/59191792).
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