Mode Selector - Siemens SIMATIC S7-1500 Manual

2.7

Mode selector

The mode selector is designed as a toggle switch. You use the mode selector to set the
operating mode of the CPU.
①
Figure 2-12
The following table shows the meaning of the three switch positions along with an
explanation.
Table 2- 5
Switch position
RUN – latching
STOP – latching (middle
position)
MRES – not latching
SIMATIC Drive Controller
Equipment Manual, 11/2019, A5E46600370-AA
Mode selector
Mode selector
Mode selector switch positions
Meaning
RUN mode
STOP mode
Memory reset
Explanation
The CPU is running the user program
The user program is not running.
Position for the memory reset of the CPU
Product overview
2.7 Mode selector
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