Siemens SIMATIC S7-200 - Common Problem List for Single Connection User

Getting Started with an S7-200 Programming System
3-4
S7-200 Programmable Controller System Manual
A5E00066097-02
Review the README X .TXT file included on your CD or diskettes for the most
recent information about STEP 7-Micro/WIN 32. (In the x position, the letter A =
German, B = English, C = French, D = Spanish, E = Italian.)
Note
Installing STEP 7-Micro/WIN in the same directory as an existing installation
uninstalls the existing installation.
Common Problem List for Single Connection User
The following situations can cause the communication to fail:
• Wrong baud rate: Correct the baud rate
• Wrong station address: Correct the station address
• PC/PPI cable set incorrectly: Check DIP switch settings on PC/PPI cable
• Wrong communication port on personal computer: Check comm port
• CPU in freeport mode (comm port under control of user program): Put CPU in
STOP mode
• Conflict with other masters: Disconnect the CPU from the network.