Siemens SIMATIC S7-1500R/H

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
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① Shield contact surfaces
② Plug-in connection for power supply
③ Plug-in connection for backplane bus
④ Fixing screws
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
Meaning Explanation
RUN RUN mode The CPU has permission to go to RUN.
STOP STOP mode The CPU does not have permission to go to RUN.
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.
Manual memory reset
(with inserted SIMATIC
Memory Card)
or
Reset to factory settings
(without inserted SIMATIC
Memory Card)
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.
24
CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD
Product overview
3.6 Operating mode buttons