TD350 Series VFD Extension cards
-304-
can use a built-in PCB antenna; and if it is a sheet metal machine and located in a metal cabinet, you
need to use an external sucker antenna.
When installing a sucker antenna, install a wireless communication card on the VFD first, and then
lead the SMA connector of the sucker antenna into the VFD and screw it to CN2, as shown in the
following figure. Place the antenna base on the chassis and expose the upper part. Try to keep it
unblocked.
The wireless communication card must be used with the TECHTOP VFD APP. Scan the QR code of
the VFD nameplate to download it. For details, refer to the wireless communication card manual
provided with the extension card. The main interface is shown as follows.
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