TECHTOP TD350 - Bluetooth and WIFI Communication Cards; PROFIBUS-DP Communication Card (EC-TX503)

TD350 Series VFD Extension cards
-303-
Category
Symbol
Name
Function
Communication
485+
RS485
communication
terminal
RS485 communication port, which can be
set as the master or slave through the Auto
Station. It is differential signal output.
Whether to connect the 120Ω resistor of
RS485 is set through the jumper.
485-
For details about the operation of programmable extension cards, see the TD350 Series VFD
Communication Extension Card Operation Manual.
A.6 Communication card function description
A.6.1 Bluetooth communication card (EC-TX501) and WIFI communication card (EC- TX502)
Definitions of indicators and function buttons:
Indicator No.
Definition
Function
LED1/LED3
Bluetooth/WIFI
state indicator
On: The extension card is establishing a connection with
the control board.
Blinks periodically: The extension card is properly
connected to the control board (the period is 1s, on for
0.5s, and off for the other 0.5s).
Off: The extension card is disconnected from the control
board.
LED2
Bluetooth
communication
state indicator
On: Bluetooth communication is online and data exchange
can be performed.
Off: Bluetooth communication is not in the online state.
LED5
Power indicator
On: The control board feeds power to the Bluetooth card.
SW1
WIFI factory
reset button
It is used to restore the extension card to default values
and return to the local monitoring mode.
SW2
WIFI hardware
reset button
It is used to restart the extension card.
The wireless communication card is especially useful for scenarios where you cannot directly use the
keypad to operate the VFD due to the restriction of the installation space. With a mobile phone APP,
you can operate the VFD in a maximum distance of 30 m. You can choose a PCB antenna or an
external sucker antenna. If the VFD is located in an open space and is a molded case machine, you