Goodrive300 Series VFD Extension card
233
● Station number: There are 32 stations in each segment (without relays) as to 127 stations (with
relays)
● Contact pin: 9 frames D pin, the connector contact pins are as below:
Contact pin of the connector
Positive data(twisted pair cables 1)
Isolated 5V DC power supply
Negative data(twisted pair cables 2)
+5V and GND_BUS are used in the fieldbus terminals. Some devices, such as light transceiver
(RS485) may get external power supply form these pins.
RTS is used in some devices to determine the sending direction. Only A-Line wires, B-Line wires and
shield are used in the normal application.
It is recommended to apply the standard DB9 connector of SIEMENS. If the communication baud rate
is above 187.5kbps, please follow the connection rules of SIEMENS seriously.
Not available (with interference to the keypad
wiring)
2. Repeater
Up to 32 stations can be connected to each segment (master station or subsidiary stations), the
repeater have to be used when stations is more than 32. The repeaters in series are generally no
more than 3.
Note: There is no repeater station address.
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