Siemens SIMATIC S7-1500R/H Handbuch - Seite 22
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2.5
Mode selector
You use the mode selector to:
● Request a change to a specific operating state
● Disable or enable the change of a specific operating state
(if, for example, the mode selector is set to STOP, you cannot switch the CPU to RUN via
a communication task or the display)
The following table shows the position of the switch and the corresponding meaning.
Table 2- 1
Mode switch settings
Position
Meaning
RUN
RUN mode
STOP
STOP mode
MRES
Memory reset
Reference
You can find a brief overview of the various operating states and system states in the section
Status and error display of the CPU (Page 26).
You can find a detailed description of the operating states and system states in the system
manual for S7-1500R/H Redundant System
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
CPU 1515R-2 PN (6ES7515-2RM00-0AB0)
Manual, 10/2018, A5E42009914-AA
Explanation
The CPU has permission to go to RUN.
The CPU does not have permission to go to RUN.
Position for CPU memory reset.
Product overview
2.5 Mode selector
21