ABB 265GS - Page 35

Electrical connections
IM/265Gx/Ax-EN-07 265Gx, 265Ax 35
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