Frequency Inverter ST600 Series High-Performance Multifunction VFD Expansion cards
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PROFIBUS cable shielding line
+5V and GND_BUS are bus terminators. Some devices, such as the optical transceiver (RS485), may
need to obtain power through these pins.
On some devices, the transmission and receiving directions are determined by RTS. In normal
applications, only A-Line, B-Line, and the shield layer need to be used.
Indicator definition
On: The expansion card is establishing a connection with the
control board.
Blinking periodically: 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).
Off: The expansion card is disconnected from the control
board.
On: The communication card is online and data exchange can
be performed.
Off: The communication card is not in the online state.
On: The communication card is offline and data exchange
cannot be performed.
Blinks: The communication card is not in the offline state.
Blinks at the frequency of 1 Hz: A configuration error occurs:
The length of the user parameter data set during the
initialization of the communication card is different from that
during the network configuration.
Blinks at the frequency of 2 Hz: User parameter data is
incorrect. The length or content of the user parameter data
set during the initialization of the communication card is
different from that during the network configuration.
Blinks at the frequency of 4 Hz: An error occurs in the ASIC
initialization of PROFIBUS communication.
Off: The diagnosis function is disabled.
On: The control board feeds power to the communication
card.
For details about the operation, see the Communication Card Operation Manual.
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