GE IC693CPU331L CPU Module | Series 90-30 32KB RAM 512 I/O

The IC693CPU331L serves as the central processor for GE Series 90-30 PLC systems. This CPU module executes user logic and manages all I/O operations. You can rely on it for medium-scale automation tasks in industrial environments.

Key Technical Parameters

The table below lists all essential technical specifications for this CPU module.

Specification	Details
Part Number	IC693CPU331L
Product Type	CPU Module
Compatibility	GE Series 90-30 PLC systems
Processor Type	16-bit microcontroller
Program Memory	32 KB CMOS RAM
Data Memory	8 KB retentive memory
Memory Backup	Lithium battery (integrated)
Battery Life	5 years typical
Digital I/O Capacity	512 points maximum
Analog I/O Capacity	64 channels
Scan Speed	1 ms per 1K logic
Dimensions (W x H x D)	140 mm x 110 mm x 55 mm
Weight	Approx. 0.55 kg
Communication Ports	2 x RS-232, 1 x RS-485
Power Supply	5V DC from backplane
Current Consumption	500 mA
Operating Temperature	0°C to 55°C

Physical Characteristics and Installation

This CPU module weighs approximately 0.55 kg for standard rack mounting. Its dimensions measure 140 mm x 110 mm x 55 mm for Series 90-30 chassis. First, slide the IC693CPU331L into the leftmost rack slot. Then, secure the module using the top and bottom locking tabs. Finally, connect your programming device to the RS-232 port. LED indicators on the front show run, stop, and fault status.

Memory Specifications and Backup

The IC693CPU331L integrates 32 KB of CMOS RAM for user program storage. Data memory provides 8 KB of retentive memory for critical variables. A lithium battery maintains both memories during power-down periods. The battery life reaches 5 years under normal conditions. Consequently, your program remains safe for extended equipment shutdowns.

I/O Capacity and Communication Ports

This CPU module supports up to 512 digital I/O points for discrete control. Additionally, it handles 64 analog channels for process monitoring. The scan speed measures 1 ms per 1K logic instructions. Three communication ports provide flexible connectivity. Two RS-232 ports connect to HMIs and programming devices. One RS-485 port links the module to remote I/O networks.