![background image](http://html.mh-extra.com/html/siemens/sidoor-at40/sidoor-at40_system-manual_377380155.webp)
Controllers
6.6 Connecting terminals and interfaces
AT40, ATD400V, ATD400K, ATD4xxW, ATD400S, ATE250S, ATD400T
System Manual, 06/2016, A2B00096162-AN
155
Wiring
Table 6- 30 Assignment of X705
Pin
Assignment
Description
1
NC
Not connected
2
NC
Not connected
3
RS 485P
RS 485 interface (receive and send signals (+))
Note: for 6GK1500-0FC10: "B" (red)
4
1)
CNTR-P
Repeater direction control
5
GND
Interface ground
6
P5V
5 V max. 10 mA, to be used in connector for bus network terminator
only
7
NC
Not connected
8
RS 485N
RS 485 interface (receive and send signals (-))
Note: for 6GK1500-0FC10: "A" (green)
9
NC
Not connected
Shield
Shield
FE - functional grounding (bus cable shield)
1)
with SIDOOR ATD420W
Connection
The wired PROFIBUS connector is connected to connection X705 and fastened by
tightening the screws.