Diagnosing Hardware and Troubleshooting Siemens S7 PLC

How to Locate Faults

1. Open the online window for the project with the menu command View >
Online.

2. Open all the stations so that the programmable modules configured in them
are visible.

3. Check to see which CPU is displaying a diagnostics symbol indicating an error
or fault. You can open the help page with an explanation of the diagnostics
symbols using the F1 key.

Uninstalling STEP 7

You can remove Step 7 by follow this instruction.

1. Open control panel and Double-click at ”Add/Remove Programs to start the Windows software installation dialog box.
2. Select STEP 7 entry on the displayed list of installed software. Click the
button to ”Add/Remove" the software.
3. If the ”Remove Shared File" dialog box appears, click the ”No" button if you are
uncertain.

How to program Mitsubishi PLC.


MITSUBISHI PLC FX Series

1. Start GX Developer Solfware

Project Menu
- Select new project for create new PLC Programs.
- Select open project for open software file.

PLC Programs

Hotw to Setting the PG/PC Interface

    How to configure the communication between the PG/PC and the PLC? During
installation, you are displayed a dialog for assigning parameters to the PG/PC
interface. You can also open this dialog box after installation, by calling the
program ”Setting PG/PC Interface" in the STEP 7 program group. This enables you
to modify the interface parameters at a later time, independently of the installation.
Basic Procedure



Installing STEP 7

Preparing for Installation

The OS Windows 2000/XP should be started before install software.
• You don't need an external storage medium if the installable STEP 7 software is already stored on the hard disk of the PG.
• To install from CD, Please insert the CD-ROM in the CD-ROM drive of your PC and start to boots.

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