Goodrive300 Series VFD Extension card
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A.2.2 EC-TX-103 communication card
EC-TX-103 communication card is an optional device to VFD which makes VFD connected to
PROFIBUS network. In PROFIBUS network, VFD is a subsidiary device. The following functions can
be completed using EC-TX-103 communication card:
● Send control commands to VFD (start, stop, fault reset, etc.).
● Send speed or given torque signal to VFD.
● Read state and actual values from VFD.
● Modify VFD parameter.
Please refer to the description of function codes in Group P15 for the commands supported by the
VFD. Below is the structure diagram of the connection between the VFD and PROFIBUS bus:
EC-TX-103
communicati
on card
EC-TX-103
communicati
on card
EC-TX-103
communicati
on card
A.2.3 The appearance of EC-TX-103 communication card
Outline diagram of EC-TX-103 communication card
1. Interface to the panel 2. Bus connector 3. Rotation node address selection switches 4. State
display LEDs 5. Ethernet communication interface
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