GE IC693CPU364-CJ | Single-Slot Central Processing Unit

The GE IC693CPU364-CJ serves as the main processor for the Series 90-30 PLC. This single-slot CPU executes your control program and manages all I/O operations. It fits directly into any slot of a Series 90-30 base rack.

Technical specifications of GE IC693CPU364-CJ

Parameter	Specification
Brand	GE Intelligent Platforms
Model	GE IC693CPU364-CJ
Product Family	Series 90-30
Category	Central Processing Unit (CPU)
Slot Requirement	1 (single-slot)
User Program Memory	240 KB (battery-backed RAM)
Register Memory	16,384 bits
Processing Speed	0.4 ms per 1K Boolean instructions
Built-in Communication Ports	1 x RS-485 (15-pin), 1 x RS-232 (programming)
Communication Protocols	SNP, SNP-X, RTU
Maximum I/O Points	4,096 discrete / 512 analog
Power Supply	5V DC from backplane
Current Consumption	500 mA from +5V backplane
Number of Components	1 PCB, 1 battery holder, 3 status LEDs
Energy Storage	1 x lithium battery (for RAM retention)
Battery Type	3V lithium (GE IC693ACC302)
Battery Life	Approximately 2 years
Dimensions (L x W x H)	Approx. 14 cm x 11 cm x 3.5 cm
Weight	Approx. 0.5 kg
Operating Temperature	0°C to 60°C

Detailed Technical Analysis

The GE CJ processes 1K Boolean instructions in just 0.4 milliseconds. This speed handles demanding automation tasks with fast scan requirements. The unit stores your control program in 240 KB of battery-backed RAM. Therefore, a functioning lithium battery preserves your code during power outages.

Now let us examine its communication capabilities. The GE IC693CPU364-CJ includes two built-in communication ports. One RS-485 port supports SNP, SNP-X, and RTU protocols for networking. The second RS-232 port connects directly to a programming terminal. You can daisy-chain multiple CPUs using the RS-485 interface.

The CPU supports up to 4,096 discrete I/O points and 512 analog channels. The GE IC693CPU364-CJ draws 500 milliamps from the 5V backplane supply. It features three front-panel status LEDs for RUN, STOP, and FAULT conditions. The unit fits into any standard Series 90-30 rack slot.

Energy Storage and Battery Management

The GE IC693CPU364-CJ relies on a single 3V lithium battery. This battery preserves your program and register values when power fails. A typical battery lasts about two years in normal operation. Replace the battery annually to prevent unexpected program loss.

The CPU warns you through the FAULT LED when battery voltage drops low. You can change the battery while the PLC stays powered on. This procedure prevents any loss of your user program or data. The GE IC693CPU364-CJ also supports non-volatile flash memory for program storage.

Installation and Compatibility

You mount the GE IC693CPU364-CJ into any slot of a Series 90-30 rack. The CPU requires a power supply module in the same rack. Connect a programming terminal to the RS-232 port for initial configuration. The unit automatically scans I/O modules based on their physical locations.

Summary

To conclude, the GE IC693CPU364-CJ delivers 240KB of battery-backed program memory. It weighs 0.5 kilograms and includes two integrated communication ports. Choose this CPU for reliable control in Series 90-30 systems.