Nexto XF #81 – How to generate the XF Logdump file

The purpose of this tutorial is to explain how to generate the Nexto XF Logdump file.

Components

Equipment: 1 computer/laptop.

                            1 XF300/315/325/325-W

Software:  MasterTool X

Tutorial Sections

1. ARCHITECTURE
2. DEVELOPMENT

1. ARCHITECTURE

A computer/laptop will be needed to use Mastertool X.

Figure 1. Computer running Mastertool X

2. DEVELOPMENT

The PLC log dump is an extremely important feature for diagnosis and fault analysis, widely used together with technical support to identify operational, communication problems, or even inconsistencies in the application.

What is the log dump

The log dump is a file generated by the PLC itself, containing a detailed history of internal controller information.

Information contained in the log dump

The file may include:

• System events
• CPU faults and errors
• Startup (boot) information
• Operating states (RUN/STOP)
• Communication issues
• Internal diagnostic records

Generating the log dump

The process is simple and done via a browser.

Step by step

1. Open an internet browser
2. In the address field, type:

PLC_IP/logdump.cgi

Example:

192.168.1.50/logdump.cgi

Figure 2. Command to generate the CPU Logdump file

Operation

• When accessing the address:
  • The PLC automatically generates the log dump
  • The download will start immediately

Generated file

• The file will be of type .TXT
• It can be opened in:
  • Notepad
  • Any text editor

File analysis

After opening the file:

• The user can view all recorded information
• They can send the file to technical support for detailed analysis

Figure 3. Download of the CPU Logdump file

Important notes

• The PLC must be accessible on the network
• Internet access is not required (local network only)
• The command must be typed correctly in the browser
• The file can be extensive depending on the history

Applications in automation

• Technical support
• Corrective maintenance
• Advanced diagnosis
• Intermittent fault analysis
• System event verification

Figure 4. Data from the CPU Logdump file