B&B Electronics GW-7553 - Manual User Manual
Page 8
Table 3 9-pin screw terminal block
Pin Name
Description
1
CTS
Clear to Send of RS-232
2
RTS
Request to Send of RS-232
3
RX
Receive Data of RS-232
4
TX
Transmit Data of RS-232
5
GND
GND of RS-232
6 -
N/A
7 -
N/A
8
+VS
V+ of Power Supply(+10 ~ +30 V
DC
)
9
GND
GND of Power Supply
Table 4 RJ-45 socket
Pin Name
Description
1 TX+
TX+
output
2 TX-
TX-
output
3 RX+
RX+
input
4 -
N/A
5 -
N/A
6 RX-
RX-
input
7 -
N/A
8 -
N/A
Table 5 PROFIBUS DB9 Female Connector
Pin Name
Description
1 -
N/A
2 -
N/A
3
B
Non-inverting Bus Line
4
ISODE
Isolated DE output for use in PROFIBUS
applications where the state of the isolated drive
enable node needs to be monitored.
5
GND
Power supply ground for the first node and the last
node
6
VP
+5V Power Supply for the first node and the last
node
GW-7553 PROFIBUS/Modbus TCP Gateway User Manual (Version 1.00, Dec/2008) PAGE: 8