Connecting The Embedded Fieldbus; Connection Diagram - ABB ACS310 User Manual

54 Electrical installation

Connecting the embedded fieldbus

Embedded fieldbus can be connected to the drive with RS-485 or RS-232.

Connection diagram

RS-485
The figure below shows the fieldbus connection.
X1C
23 SCR
SCR
+
24 B
-
25 A
GND
25 GND_A Fieldbus common
Terminate the RS-485 bus with a 120 ohm resistor at the end of the network by
setting the jumper J701 shunts as in the figure below.
Jumper shunts
connect the
120 ohm
termination
resistor.
RS-232
Plug a communication cable into the control panel connection X2. The cable must be
shorter than 3 meters.
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Fieldbus cable shield (screen)
Positive
Negative
J701
J701
J701 SCR
RS-484
Fieldbus
J701
Fieldbus
controller
RS-232
< 3 m
B A GND_A
X1C
Fieldbus
controller