GE HE500TIU112 User Manual
PAGE 32 06 Apr 2000 CH. 6: COMMUNICATIONS
GFK-1819
GFK-1819
6.4 RS-422/485
Four-Wire
Note: The descriptions used by different manufacturers for RS-422/485 connections vary. Please refer to
the automation equipment manufacturers own manuals for connection details.
the automation equipment manufacturers own manuals for connection details.
Note: Horner produces application notes explaining the connection to each of the different automated
equipment manufactures. These application notes are ongoing, see your installation CD for any released
documentation.
equipment manufactures. These application notes are ongoing, see your installation CD for any released
documentation.
Figure 6.2 – RS-422/485 Four-Wire
R S 4 2 2 /4 8 5
(4 -w ire )
Autom ated Equipm ent
RS422/485 Connections
See Note Below
RS422/485 Connections
See Note Below
Rx-
Tx D
R
S
232
6
0V
7
RxD
8
5
Tx +
Tx -
Tx -
Rx+
R
S
422
/48
5
5
3
4
4
2
0.1uF Ceram ic
(Section o f 13-pin
Term inal Block)
TIU110/100
R S 4 2 2 /4 8 5
(4 -w ire )
Rx-
Tx D
R
S
232
5
0V
6
RxD
7
4
Tx +
Tx -
Tx -
Rx+
R
S
422
/4
8
5
2
3
3
1
0.1uF Ceram ic
(Section o f 8-pin
Term inal Block)
TIU050/101/102/103/111/112/113/20X
Autom ated Equipm ent
RS422/485 Connections
See Note Below
RS422/485 Connections
See Note Below