GE 90-30 PLC Series Installation And Hardware Manual page 248

Building Custom Length Cables
The following information is provided for those users who may want to build a serial cable with a
different length for connecting a Series 90 PLC to a Workmaster II computer.
WORKSTATION
INTERFACE
(WS9A1)
37- PIN
FEMALE
D-TYPE
CONNECTOR
Figure 10-2. Series 90 PLC to Workmaster II Serial Cable
Multidrop Configuration, Workmaster II to Series 90 PLCs
The following illustrations show the wiring diagram and requirements for connecting a
Workmaster II, Workmaster, or compatible computer to Series 90 PLCs in an 8-wire multidrop,
serial data configuration.
The figure below is an example of the wiring configuration required for the multidrop
configuration when using the RS-422/RS-485 to RS-232 converter.
GFK-0356Q Chapter 10 Cables
PIN
0V 1
SD (B) 26
27
SD (A)
30
CTS (A)
CTS (B) 31
RTS (B) 32
RTS (A)
33
RT 36
RD (B) 34
RD (A)
35
37
SHLD
37- PIN
MALE
D-TYPE
CONNECTOR
Cable Type – 24 AWG (.22 mm
recommended for short lengths.
Connectors – 37-pin male D-type with 4-40 screws and AMP hood No. 1-207908-0 or
equivalent. 15-pin male D-type with M3 screws and AMP hood No. 207908-4, or equivalent.
An AMP connector is not supplied with M3 (metric) screws.
Hardware Kit – AMP 207871-1. This kit includes two metric screws, and two screw clips.
The connector to the PLC serial port in the Series 90-30 PLC must be a right
angle connector in order for the hinged door to close properly.
PIN
7 0V
11
RD (B')
10
RD (A')
9 RT
14
RTS (B)
6
RTS (A)
8
CTS (B')
15 CTS (A')
13 SD (B)
SD (A)
12
1 SHLD
4000 FEET
15- PIN
(1200 METERS)
MALE
MAXIMUM
D-TYPE
CONNECTOR
2
), 30V computer grade. Extra flexible construction
Note
10
Cables
SERIES
90-70
(CPU)
SERIES
90-30
(PS)
15- PIN
FEMALE
D-TYPE
CONNECTOR
10-9