B&B Electronics GW-7552 - Manual User Manual
Page 8

GW-7552 PROFIBUS/MODBUS GATEWAY User Manual (Version 1.40, Apr/2012) PAGE: 8
Table 3 14-pin screw terminal block
Pin Name
Description
1
D+
Data+ of RS-485
2
D-
Data- of RS-485
3 -
N/A
4
TX+
Transmit Data+ of RS-422
5
TX-
Transmit Data- of RS-422
6
RX+
Receive Data+ of RS-422
7
RX-
Receive Data- of RS-422
8 -
N/A
9
RX
Receive Data of RS-232
10
TX
Transmit Data of RS-232
11
GND
GND of RS-232
12 -
N/A
13
+VS
V+ of Power Supply(+10 to +30VDC)
14
GND
GND of Power Supply
Table 4 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
7 -
N/A
8
A
Inverting Bus Line
9 -
N/A