GD350A series high-performance multifunction VFD
-324-
A.6.3 Ethernet communication card——EC-TX504
The EC-TX504 communication card adopts standard RJ45 terminals.
Indicator definition:
Indicator
Name
Function
LED1
State indicator
This indicator is on when the expansion card is
establishing a connection with the control board;
it blinks periodically after the expansion card is
properly connected to the control board (the
period is 1s, on for 0.5s, and off for the other
0.5s); and it is off when the expansion card is
disconnected from the control board.
LED2
LINK indicator (Green)
It is on when the connection to the upper
computer is normal; it is off when the upper
computer is disconnected.
LED3
ACK indicator (Red)
It is on when there is data to return to the upper
computer; it is off when there is no data to return
to the upper computer.
LED4
Power indicator
This indicator is on after the control board feeds
power to the communication card.
A.6.4 CANopen communication card——EC-TX505 and CAN master/slave control
communication card EC-TX511
