ABB 265DS - Page 34

Electrical connection
34 265Dx, 265VS IM/265D/V-EN-02
M00010
p
I + FSK
A
U
B
U
S
+
++
––
#
R
2600T
RS 232C
1
2
AB
2
Fig. 12: Communication mode: Point-to-point
A Pressure transmitter
2 Supply unit
1 FSK modem
2 Possible connection points for a modem
between A and B
M00011
RS 232C
p
I + FSK
A
U
B
U
S
+
++
––
#
R
2600T
4 … 20 mA
p
I + FSK
A
U
B
U
S
+
++
––
#
R
2600T
4 … 20 mA
1
1
3
2
2
Fig. 13: Communication mode: FSK bus
1 FSK bus
2 Supply module with HART isolation
3 FSK modem
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