GE Series 90-30 IC693 Modules IC693PWR330B

Technical Dossier

Product Details And Specifications

GE Series 90-30 (IC693) Series Technical Notes

The Evolution of IC693 Architecture

The Series 90-30 platform was introduced by GE Fanuc Automation in the early 1990s as a mid-range successor to the Series Six and Series Five PLC families. The original IC693 CPU modules — including the CPU311 and CPU321 — used proprietary GE Fanuc ladder logic execution engines with limited memory and no Ethernet-native capability. Through the mid-1990s, GE Fanuc expanded the catalog with higher-density I/O modules and introduced the IC693CMM321 and IC693CMM311 communications modules to support Genius Bus and serial protocols. By the early 2000s, the CPU364 and CPU374 variants introduced embedded Ethernet ports and expanded program memory, extending the platform's relevance into the era of plant-floor networking. The IC693PWR330 power supply family — including the PWR321, PWR322, PWR330, and PWR330B — evolved in parallel to support increasing backplane current demands as I/O density grew. Today, the Series 90-30 is in the mature/end-of-life phase of its product lifecycle. GE (now part of Emerson's control portfolio under the Proficy brand) has transitioned new projects to the RX3i (IC695) platform. However, the installed base of IC693 systems remains substantial, and replacement parts — particularly power supplies and CPUs — are in active demand for lifecycle extension programs running through the 2030s.

IC693 Full Catalog & Functionalities (SKU List)

Power Supply Modules

• IC693PWR321: Standard 120/240VAC input power supply, 30W backplane output, 5-slot rack compatible.
• IC693PWR322: High-capacity 120/240VAC power supply, 40W output, supports 10-slot rack with full I/O load.
• IC693PWR330: 24VDC input power supply, 30W output, designed for DC-powered panel environments.
• IC693PWR330B: Revised 24VDC high-capacity power supply, 40W output, improved thermal management, direct replacement for PWR330 in most configurations.
• IC693PWR331: Redundant power supply module for high-availability rack configurations requiring dual-feed architecture.

CPU Modules

• IC693CPU311: Entry-level CPU, 6K word program memory, no Ethernet, supports basic discrete and analog I/O.
• IC693CPU321: Mid-range CPU, 12K word memory, serial port, supports Genius Bus via CMM module.
• IC693CPU340: Enhanced CPU with 240K word memory, dual serial ports, expanded I/O point capacity.
• IC693CPU350: High-performance CPU, 240K word memory, floating-point math, supports structured text programming.
• IC693CPU360: Advanced CPU with embedded Ethernet port (10 Mbps), 240K word memory, SRTP protocol support.
• IC693CPU364: High-speed CPU with embedded 10/100 Ethernet, 240K word memory, enhanced PID and motion control blocks.
• IC693CPU374: Top-tier Series 90-30 CPU, 512K word memory, embedded Ethernet, supports up to 8 expansion racks.

Discrete Input Modules

• IC693MDL230: 8-point 120VAC discrete input module, isolated, DIN rail or rack mount.
• IC693MDL240: 16-point 120VAC discrete input module, non-isolated, standard backplane interface.
• IC693MDL241: 16-point 24VDC discrete input module, positive logic, high-speed input capability.
• IC693MDL260: 32-point 24VDC discrete input module, high-density, requires IC693ACC300 terminal block.

Discrete Output Modules

• IC693MDL310: 8-point relay output module, 2A per point, Form C contacts, mixed voltage loads.
• IC693MDL340: 16-point 120VAC triac output module, 0.5A per point, zero-crossing switching.
• IC693MDL390: 32-point 24VDC transistor output module, high-density, sourcing type.

Analog I/O Modules

• IC693ALG220: 4-channel analog input module, 4–20mA or 0–10V, 12-bit resolution.
• IC693ALG390: 8-channel analog input module, 4–20mA/0–10V selectable per channel, 12-bit.
• IC693ALG442: 4-channel analog output module, 4–20mA, 12-bit DAC, loop-powered field devices.

Communications Modules

• IC693CMM311: Serial communications module, RS-232/RS-485, supports Modbus RTU and SNP protocols.
• IC693CMM321: Genius Bus Controller module, interfaces Series 90-30 rack to GE Genius I/O field bus network.
• IC693CMM302: Ethernet Interface Module (EIM), 10 Mbps, SRTP and Modbus TCP, for CPUs without embedded Ethernet.