GE HE500TIU050 Manual De Usuario
CH. 6: COMMUNICATIONS 06 Apr 2000 PAGE 33
GFK-1819
6.5 RS-485
Two-Wire
Figure 6.3 – RS-485 Two-Wire
R S 4 2 2 /4 8 5
(2 -w ire )
R xD
8
A E
R x-
Tx D
0V
R
S
232
6
7
7
5
Tx +
Tx -
Tx -
R x+
R
S
4
22/
485
485
3
4
4
2
0.1uF C e ra m ic
Tx/R x+
Tx/R x-
C O M
TIU110/100
TIU050/101/102/103/111/112/113/20X
R S 4 2 2 /4 8 5
(2 -w ire )
R xD
7
A E
R x-
Tx D
0V
RS2
3
2
5
6
6
4
Tx +
Tx -
Tx -
R x+
R
S
422
/4
8
5
2
3
3
1
0.1uF C e ra m ic
Tx/R x+
Tx/R x-
C O M