Operating Manual PMCenergy SD
1004547-EN-01
Commissioning
En
gl
is
h
23
5.4
Connecting the RS422 communication interface
Fig. 9: Lower side of the housing, RS422 communication interfaces X4
Basic information
• The communications interface
is used to exchange data with the Dynamic
Energy Storage Unit.
• This interface must be connected with an external RS422 communications
interface.
The pin assignments
for connector X4
Fig. 10: The pin assignments of connector X4 and the external interface
Pin
Signal
Description
1
RX+
connect with the external TX+ interface
2
RX-
connect with the external TX- interface
3
GND
connect with GND
4
+24V
connect with the supply v5...26 V
5
TX+
connect with the external RX+ interface
6
TX-
connect with the external RX- interface
X4
RX-
RX+
+ 5...26 V
GND
TX-
TX+