Pc to PLC Aoj2 CPU

[shehoxs 1]

Hi, Every body I have problem comunication Pc toPLC, it's problem is comport error that if I use laptop 233Mhz(233MMX) thosiba, medoc V1.62 or V2.40 and adapter SC03, PLC A0j2 CPU21 under dos or under windows have same problem But if i use Desktop Pentium 3 Pro, 1Ghz and device same above, i can comunication PC to PLC. under dos and windows OK. What this problem, please help me Best regards yossy

[Guest Namedyt Niloc]

As there seems to be nothing wrong with the SC-03 and the A0J2, can we asume that you have checked the port setup in the Tosh - thatis, the specified port is usually COM1 or COM2. What port number is your Serial SC-03 actually connected to? Have you tried changing the designated port number?