The reason can be that the extension cable is not firm between the PLC and expansion module.
The reason is that the "hardware configuration in the software " are not the same as the actual configuration ,if you want to download, part of the program function may be abnormal.Error ind
1. Online with PLC2. Use the menu【program upload】3. When the PLC internal program is non-encrypted and without the setting of "Forbidden to upload" then the PLC program can be uploaded
1. Online with PLC2. Use the menu [PLC/remove the PLC program]3. It comes the password input window, enter "Haiwell",eliminate program in the PLC, it prompts "whether to remove the PLC
HaiwellHappy programming software provides many functions with address annotations , network annotations、function block (instruction) annotations, block annotations, table annotations ,and project ann
Haiwell PLC contains multiple main programs. The execution sequence of program block is from top to bottom one by one. It can be adjusted through the menu [debug / program block execution order]
Ladder diagram (LD), function block diagram (FBD), instruction list (IL).
No, it can only be programmed by our HaiwellHappy software.
