IC693CHS391 1 IC693CHS391 2 IC693CHS391 3 IC693CHS391 4

The GE IC693CHS391 is a 10‑slot modular CPU baseplate engineered for the GE Fanuc Series 90‑30 PLC family, serving as a central platform for building scalable and flexible control systems. This baseplate accommodates a CPU, power supply, and multiple I/O or option modules, enabling tailored automation configurations in manufacturing, process, and machinery control applications. Its robust design supports panel mounting and allows seamless integration with expansion racks and remote I/O setups.

Technical Specifications (mm)

Specification	Details
Product Type	Modular CPU Baseplate / Expansion Baseplate
PLC Platform	GE Fanuc Series 90‑30
Slot Count	10 total slots (1 CPU slot, 9 I/O/option slots)
CPU Slot	One dedicated slot for CPU modules
Power Supply Slot	Leftmost slot reserved for power supply module
Connector	25‑pin D‑sub female for expansion/remote racks
Operating Voltage	5 V DC
Current Draw	~420 mA typical
Panel Mounting	Yes (screw‑mountable)
Dimensions (L × W × H)	444 × 142 × 130 mm (approx.; converted from 17.44″ × 5.59″ × 5.12″)
Weight	Approx. 920 g – 2.5 kg (varies by source and packaging)

Recommended Related Models

This baseplate forms the backbone of a Series 90‑30 PLC system. Commonly paired components include:

IC693CPU350 / IC693CPU363 / IC693CPU374 – CPUs designed to plug into the baseplate
IC693PWR330 / IC693PWR331 – Power supply modules for stable bus voltage
IC693BEM320 / IC693BEM331 / IC693BEM340 – Expansion baseplates connected via the 25‑pin expansion connector
IC693ALG / IC693ADC / IC693ACC series – Analog I/O and accessory modules compatible with I/O slots

Together, these modules provide modular control, I/O flexibility, and scalable automation architectures.

Popular GE PLC Models (System Partners)

The IC693CHS391 baseplate is frequently used with:

IC693CPU350 – Widely adopted Series 90‑30 CPU
IC693CPU363 – Alternate CPU with balanced performance
IC693CPU374 – High‑performance processor for complex applications
IC693MDL740 / IC693MDL750 series – Digital I/O modules for expanded control

These combinations create powerful and expandable control systems suitable for a variety of industrial operations.

Applications

The GE IC693CHS391 shines in modular automation and control environments, including:

Manufacturing lines requiring expansion of I/O capacity
Process plants where distributed control and modularity improve uptime
Retrofit projects upgrading older PLC systems while preserving rack infrastructure
Panel installations with centralized CPU and distributed I/O modules
Remote expansion using expansion or remote baseplates interconnected through the baseplate’s expansion port

It provides a stable and flexible platform for traditional PLC architectures.

Advantages

High Slot Count – 10 slots allow versatile configurations with CPU, power, and I/O modules
Modular Design – Enables future expansion without rack redesign
Standard Expansion Interface – Integrated 25‑pin expansion connector for remote/expansion racks
Panel Mount Ready – Easy mounting in industrial cabinets
Proven Reliability – Built to last in demanding industrial conditions

This baseplate remains a cornerstone of many legacy Series 90‑30 installations.

Technical FAQs

What is the primary role of the IC693CHS391?
It serves as a 10‑slot modular baseplate supporting CPU, power, and multiple I/O modules in Series 90‑30 systems.
What is the baseplate’s slot configuration?
One CPU slot, nine I/O/option slots, and one dedicated power supply slot.
What expansion connections are available?
A 25‑pin D‑sub female connector allows connection to remote or expansion baseplates.
What voltage does the baseplate operate on?
Approximately 5 V DC.
Can this baseplate be used for remote I/O?
Yes, when connected to remote baseplates via appropriate expansion cables.
Is a CPU required to use the IC693CHS391?
Yes — without a CPU in Slot 1, the rack cannot function as a primary controller.
What are the physical dimensions in mm?
Approximately 444 × 142 × 130 mm (L × W × H).
How much does it weigh?
Roughly 920 g to 2.5 kg depending on packaging and supplier.
Does it include the power supply?
No — the power supply module is installed separately into its dedicated slot.
Why choose IC693CHS391 for expansion?
It offers scalability, reliability, and a standard expansion interface that fits long‑term Series 90‑30 automation needs.