GE 90-30 PLC Series Installation And Hardware Manual page 372

C
Simple Multidrop Configuration
This configuration shows how to connect a single Isolated Repeater/Converter for signal
conversion or greater distance.
SERIES 90 PLC
BRICK IS THE NICKNAME FOR THE
*
ISOLATED REPEATER/CONVERTER
Figure C-4. Simple System Configuration Using the Isolated Repeater/Converter
Complex Multidrop Configuration
This configuration shows how to connect multiple Isolated Repeater/Converters for signal
conversion, greater distance, and more drops.
SERIES 90
C OR
HOST
RS-232
(CABLE
)
RS-422
(CABLE
B)
BRICK IS THE NICKNAME FOR THE
*
ISOLATED REPEATER/CONVERTER
Figure C-5. Complex System Configuration Using the Isolated Repeater/Converter
C-6 Series 90-30 PLC Installation and Hardware Manual – August 2002
RS-232
(CABLE A) (CABLE B)
OR
HOST
RS-422
(CABLE
C)
SERIES 90
C
SERIES 90
C
RS-422
(CABLE
*
D)
BRICK
J2 J1
ON
SW
RS-422
(CABLE
*
D)
BRICK
J2 J1
ON
SW
RS-422 RS-422
(CABLE D)
*
BRICK
J2 J1
ON
SW
RS-422
(CABLE
*
D)
SERIES 90
BRICK
J2 J1
PLC
ON
SW
SERIES 90
C
RS-422
(CABLE
*
D)
SERIES 90
BRICK
J2 J1
C
ON
SW
SERIES 90
PLC
*
BRICK
J1
SW
SERIES 90 PLC
SERIES 90 PLC
RS-232
(CABLE
)
SERIES 90
J2
PLC
CTS
GFK-0356Q