Cable diagrams, Siemens s7 – ICP DAS USA DB25 User Manual
Page 74
Cable Diagrams
68
Siemens S7
PLC/Drive DN3000
DB9 Male DB25 Male
PART # 7000-6045
D+ 03
------------------------------
23 TX+
24 RX+
D - 08
------------------------------
21 TX -
CABLE TYPE
22 RX -
3 or 4 Conductor Round
04 RTS
05 CTS
GND
05
------------------------------
07 GND
Note:
To connect additional PLC’s, daisy-chain Pin 3 of each PLC together and
daisy-chain Pin 8 of each PLC together before connecting both signals to the
DN3000.
S7 PLC S7 PLC DN3000
DB9 Male DB9 Male DB25 Male
03
------------------------------
03
------------------------------
23 TX+
24 RX+
08
------------------------------
08
------------------------------
21 TX -
22 RX -
04 RTS
05 CTS
05
------------------------------
05
------------------------------
07 GND