Hello everyone,

I have the following hardware:

PLC s7-200 CPU 224 214-1AD23-0XB0

SIMATIC FIELD PG WINDOWS XP PROFESSIONAL SP3

MICROWIN V 4.0.9.25

Wire COMMUNICATION 6ES7 901-3CB30-0XA0

SET DIP SWICT 01001000

New question published by Learning Student is split to a separate thread with the subject SIMATIC Field PG - Communication with S7 200.

Best regards
Jen_Moderator

Hello,

maybe correct comm speed is your problem. Look to your project (if exists now, simply old project) what has speed configured. Also if your project is new or has internal communication like Freeport, you can't download / monitor from serial port. You need put CPU to STOP, this can be also your solution.