GE Series 90-30 PLC User Manual

GFK-0356Q Appendix E IC690ACC903 Port Isolator E-3
E
Logic Diagram
Optical Isolation
Always on
(single port mode)
RTS Driven
(multidrop mode)
+5V
Multidrop
Switch
CTS(B')
CTS(A')
RTS(B)
RTS(A)
14
6
14
6
Output Enable
Output Enable
RD(B')
RD(A')
SD(B)
SD(A)
13
12
13
12
Ground 2Ground 1
DC/DC
Converter
+5Vdc
GND
+5Vdc
GND
RTS(B)
RTS(A)
CTS(B')
CTS(A')
15
8
15
8
15-pin male D-connector
PL1
15-pin female D-connector
PL2
SD(B)
SD(A)
RD(B')
RD(A')
11
10
11
10
RT
121 ohms
9
Figure E-2. IC690ACC903 Block Diagram

GE Series 90-30 PLC Specifications

General

Series	90-30
Type	Programmable Logic Controller (PLC)
Relative Humidity	5% to 95% non-condensing
Manufacturer	GE Fanuc (now part of Emerson)
Memory	Varies by CPU model
Power Supply	Various options (e.g., 120/240V AC, 24V DC)
I/O Modules	Digital, Analog, Specialty modules
I/O Capacity	Up to 512 I/O points
Communication Ports	RS-232, RS-485, Ethernet
Programming Software	Proficy Machine Edition
Programming Languages	Ladder Logic, Instruction List
Operating Temperature	0°C to 60°C (32°F to 140°F)
Certifications	UL, CE