GE 90*-30 PLC Series User Manual page 14

1
1-4
Bus
Loop
Free
T Termination Network
N Node
Switch and Termination Node
S
(closes loop when activated)
Figure 1-2. Topology Examples
Series 90™-30 PLC LONWORKS® Bus Interface Module User's Manual – June 1997
N
T
N
N
N
N N
T
N
N N
T
N
N
S
N
N N
S
N N
GFK-1322A