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FAQs Library
Q
Ethernet(485) communication error(VK/VT HMI), but online simulation is ok, why?
2022-08-22
A

Check the download interface to see whether some parameters are saved. Probably it keeps the previous communication settings so it cannot communicate.

Q
It requires to enter password when download new program(VK/VT), and default password '000000000' is not correct?
2022-08-22
A

Check the developer password in the new program which might be modified.

Q
Some foreign language can be showed in off line simulation mode, but cannot show in the screen after download(VS HMI)?
2022-08-22
A

Please try‘Arial' font first. If it doesn't work, try to copy the language to 'word' document to know the exact font, for example, it should be 'Shruti' font for Indian language.
Note: The 'systemFont' file in the installation directory of VS HMITool should have this font format.

Q
DBD0 and DBW0 cannot be written when VS HMI communicates with S7-1200 via Ethernet, why?
2022-08-22
A

Format error, the correct format should be DBW16:2(number: address).

Q
What's the difference between first generation and second generation of VK HMI?
2022-08-22
A

The dimension is same. And for second generation of VK HMI, the dowload speed improves and refresh speed increases.

Q
What kind of extension module can AX PLC support?
2022-08-22
A

Power supply module, EtherCAT remote module, IO module, analog input/output modeule and temperature module.

Q
What could be the reason when the screen of AC PLC shows '00' for a long time after power on?
2022-08-22
A

Probably there is no system firmware in the PLC.

Q
Can AX70 PLC support E-cam, flying shear or interpolation function with CANopen communication?
2022-08-22
A

It cannot support. For CANopen communcation, it only supports function block of single axis. E-cam, flying shear or interpolation function can only realize via EtherCAT.

Q
During EtherCAT communication, axis of servo motor can still move after AX PLC sent the enable command?
2022-08-22
A

what can be the reason?

Probably the torque limit hasn't been set.

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