Sourcetronic ST600 - Page 329

Frequency Inverter ST600 Series High-Performance Multifunction VFD Expansion cards
-322-
A.6.2 PROFIBUS-DP communication card (STX503)
CN1 is a 9-pin D-type connector, as shown in the following figure.
5
4 3
2 1
9 8 7 6
Connector pin
Description
1
-
Unused
2
-
Unused
3
B-Line
Data+ (twisted pair 1)
4
RTS
Request sending
5
GND_BUS
Isolation ground
6
+5V BUS
Isolated power supply of 5 V DC
7
-
Unused