Last seen: Sep 19, 2026
A 2A supply with a panel heater on it. Look there first.
Dropped it to 500 kbit removed link HW Config, DP master system properties, Network Settings, transmission rate 500 kbit/s, downloaded. Every slave c...
OB121 is the programming error OB. Cycle time is OB80. Different things. Without OB121 a 300 stops on every programming error. That is why it stops. ...
There is no upload with symbols on a 300. Symbols, comments and network titles live only in the offline project, the CPU stores compiled code and noth...
Yes. Same thing on STEP 7 with two assignments to one Q address, the cross reference list shows both and the last one in the cycle wins. On a 300 you'...
Same drum, same part number, I checked the print on the jacket. Old run and new run are both 6XV1830-0EH10, so it isn't the cable type. Baud rate is s...
There's your cycle. OB1 runs top to bottom, once per cycle. Network 1 reads Part_Present as the previous cycle left it. Network 2 then sets it. The ne...
It's not the cable and not the firmware. The buffer already told you: OB86 isn't in the CPU. Which STEP 7 version, and have you got the project? Look ...
Yes. VAT is the variable table. ITD gives you a DINT, DIV_DI on two DINTs gives you a DINT, so 10018 / 6912 is 1 and the .449 is gone before you ever ...