Siemens CPU 1518-4 PN/DP ODK - Rear View of the Module; Mode Selector Switch

Product overview
2.5 Mode selector switch
CPU 1518-4 PN/DP ODK (6ES7518-4AP00-3AB0)
Manual, 09/2016, A5E35681108-AA
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2.4.3
Rear view of the module
The figure below shows the connection elements on the rear of the CPU 1518-4 PN/DP
ODK.
①
Shield contact surfaces
②
Backplane bus connector
③
Fixing screws
Figure 2-5 View of the CPU 1518-4 PN/DP ODK - rear
2.5
Mode selector switch
Use the mode switch to set the CPU operating mode.
The following table shows the position of the switch and the corresponding meaning.
Table 2- 5 Mode switch settings
Position
Meaning
Explanation
RUN
RUN mode
The CPU is executing the user program.
STOP
STOP mode
The user program is not being executed.
MRES
Memory reset
Position for CPU memory reset.