Siemens S7-300 - Checklist for Typical Problems in a System

STEP 7 special diagnostics
12.6 Checklist for "typical problems" in a system
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
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Table 12- 2 Modedependent functions
Diagnostics
function /
diagnostics object
Diagnostics purpose
Special features
To display and monitor the communication connections. You obtain an overview or detailed
information in the contents area depending on the diagnostics object you select.
Connections
• Overview of all connection types
used;
By doubleclicking the objects in the
contents area, you can display detailed
information.
Connections
"
Type
• Overview of all the communication
connections of a particular type, for
example all TCP connections;
• Information on the connection
status
Connections
"
Type
"
Typeconnectionn
• Detailed information about the
status of a communications
connection.
12.6
Checklist for "typical problems" in a system
Meaning
The following lists contain several typical problems and their possible causes and how you
can use the STEP 7 special diagnostics tool to remedy the situation.
The checklists deal with the following topics:
1. Checklist for general CP functions
2. Communications connection checklist
Note
In the column "Identifying the cause and remedy", you will see the diagnostics function
recommended for dealing with the problem shown in bold face.