GE 90-30 PLC Series Installation And Hardware Manual page 386

Terminate at first
and last drops only
Master PLC
Make connections
inside D-connector
RT 9
Twisted Pair
SD(B) 13
SD(A) 12
RD(B') 11
RD(A') 10
RTS(B) 14
RTS(A) 6
CTS(B') 8
CTS(A') 15
+5V 5
GND 7
SHLD 1
RT 9
RD(B') 11
RD(A') 10
SD(B) 13
SD(A) 12
CTS(B') 8
CTS(A') 15
RTS(B) 14
RTS(A) 6
+5V 5
GND 7
SHLD 1
Slave Device
To Other Slave Devices
(Maximum of 8 devices on a multidrop)
RT
13 RD(B') SD(B)
12 RD(A') SD(A)
11 SD(B)
RD(B')
10 SD(A)
RD(A')
14 CTS(B') RTS(B)
6 CTS(A') RTS(A)
8 RTS(B)
CTS(B')
15 RTS(A) CTS(A')
5 +5V +5V
7 GND
GND
1 SHLD
+5VDC
Ground
Note: Do not daisy chain +5VDC pins.
Terminate at first
and last ports only
Slave Device
Make connections
inside D-connector
9 9
Twisted Pair
13 11
12
10
11 13
10 12
14
8 CTS(B')
6
15 CTS(A')
8 14
15 6
5
5
7 7
1
To device
requiring
external
9
power
11
10
13
12
8 CTS(B')
15 CTS(A')
14
6
5
7
1
Slave Device
To Other Slave Devices
(Maximum of 8 devices on a multidrop)
RT
RD(B')
RD(A')
SD(B)
SD(A)
RTS(B)
RTS(A)
+5V
GND
SHLD
RT
RD(B')
RD(A')
SD(B)
SD(A)
RTS(B)
RTS(A)
+5V
GND
SHLD