CIRCUTOR ReadWatt Series - Manual (Page 11)

3.4.- CONNECTION DIAGRAM
3�4�1�- RS-485 CONNECTION
Use an intelligent RS-232 to RS-485 network protocol converter to establish the
communications with the master unit ( Figure 6 ).
RS-232
2 5 3
2
PC
2 3
1
5
B(-) A(+)
RS-485
(+) (-)
B A
+ -
Alimentación
Power Supply
A(+)
B(-)
Alimentación
Power Supply
ReadWatt
Figure 6: RS-485 Connection diagram�
11 Instruction Manual
ReadWatt