Connecting hardware
3.1 The PC adapter for SIMATIC RF-DIAG
SIMATIC RF-DIAG
Operating Manual, 09/2012, C79000-G8976-C292-01
15
Pin assignment of the connecting cable between PC adapter and UHF reader
Table 3- 4
RS-422 connecting cable
View of M12 plug
M12
pin
Wire color
Pin assignment
1
White
24 VDC
2
Brown
TX neg
3
green
GND
4
Yellow
TX pos
5
gray
RX pos
6
pink
RX neg
7
Blue
Not used
8
Red
Ground (shield)
Pin assignment for connection to the PC
Table 3- 5
USB 2.0 mini-B connector socket of the PC adapter
View of connection socket
Pin
Device side
Assignment
1
+ 5 V
2
Data -
3
Data +
4
ID (not used)
5
GND
Table 3- 6
USB 2.0 mini-B plug of the connecting cable
View of mini-B plug
Pin
Device side
Wire color
Assignment
1
Red
+ 5 V
2
White
Data -
3
green
Data +
4
-
ID (not used)
5
Black
GND