EK280
Application Manual
156
7.5.4.1.1 Two-wire simplex – wiring
i
This function is only available since EK280 software version 2.20.
EK280
Bus Master
RS485
*
1
T-
Data -
T+
Data +
R-
R+
Ri
GND
Power supply
8 V (DC)
Uext+
+
Uext-
-
additional bus
subscribers
Data -
Data +
*
1
:
For connection to a bus system, refer to the information in
7.5.4.1.2 Four-wire full duplex – wiring
EK280
R-
Bus Master
RS485
T-
R+
T+
T-
R-
T+
R+
Ri
GND
Uext+
Uext-
Power supply
8 V (DC)
+
-
T-
additional bus
subscribers
T+
R-
R+