Operating Modes Of The Cpu - Siemens Simatic S7-1500/ET 200MP System Manual

Commissioning

11.5 Operating modes of the CPU

Step
8
9
10
Note
During operating mode transitions of the DP master from RUN to STOP or from STOP to
RUN, it can take several milliseconds until the mode transition for the inputs and outputs of
all I/O modules of the ET 200MP is complete.
11.5 Operating modes of the CPU
Introduction
Operating modes describe the states of the CPU. The following operating states are possible
via the mode selector:
● STARTUP
● RUN
● STOP
In these operating modes, the CPU can communicate, for example, via the PROFINET IO
interface (X1).
The status LEDs on the front side of the CPU indicate the current operating mode.
232
Procedure
Switch DP master to RUN
Check LEDs
Test inputs and outputs
See...
Documentation of the DP
master
Interface module
(http://support.automation.sie
mens.com/WW/view/en/7791
0801/133300) manual
The following functions are
helpful: Monitoring and modi-
fying tags, testing with pro-
gram status, forcing,
modifying the outputs. See
section Test functions and
fault resolution (Page 302)
Automation system
System Manual, 12/2017, A5E03461182-AE