IC693BEM341 1 IC693BEM341 2 IC693BEM341 4 IC693BEM341 3

The GE IC693BEM341 is a high-density Bus Expansion Module (BEM) designed for the GE Series 90-30 PLC systems. It provides robust, scalable I/O expansion, allowing engineers to integrate additional digital, analog, or communication modules without compromising system performance.

Ideal for industrial automation applications with complex control requirements, the IC693BEM341 ensures reliable communication with the main CPU while supporting larger and more advanced control networks.

Technical Specifications

Specification	Details
Product Type	Bus Expansion Module (BEM)
PLC Platform	GE Fanuc Series 90-30
Function	High-density I/O expansion with extended module capacity
Supported Modules	Compatible with standard digital, analog, and communication modules
Communication Interface	Backplane bus connection to main CPU
Maximum Expansion	Supports up to 16 additional I/O modules per BEM341
Operating Temperature	0°C to +60°C
Storage Temperature	-20°C to +70°C
Dimensions (H × W × D)	102 × 140 × 120 mm
Weight	Approx. 0.87 kg

Recommended Related Models

The IC693BEM341 is typically used with:

IC693CPU350 / IC693CPU374 – Main CPUs controlling expanded racks
IC693CHS391 / IC693CHS397 – Baseplates supporting high-density module installation
IC693PWR330 – Reliable power supply for extended racks
IC693ALG / IC693ADC / IC693ACC series – Compatible analog, digital, and communication modules

This configuration ensures high-capacity, stable system expansion without sacrificing CPU performance.

Popular GE PLC Models

The IC693BEM341 is commonly integrated with:

IC693CPU350
IC693CPU363
IC693CPU374
IC693MDL740
IC693CHS391 / IC693CHS397

It is ideal for applications requiring large-scale I/O growth and advanced automation capabilities.

Applications

The GE IC693BEM341 is suited for industrial environments that require high-density, modular I/O expansion:

Large-scale process control with distributed I/O racks
Multi-valve, multi-actuator, and multi-sensor automation
Laboratory, test, and production automation requiring scalable I/O
Retrofitting older Series 90-30 PLC systems to expand module capacity
Complex automation systems where flexible I/O architecture is critical

It provides efficient, reliable, and scalable control for demanding industrial applications.

Advantages

High-Density Expansion – Supports up to 16 additional I/O modules per BEM
Flexible Module Integration – Compatible with digital, analog, and communication modules
Seamless CPU Communication – Fully compatible with Series 90-30 CPUs
Compact Footprint – Maximizes rack space while supporting high module density
Cost-Effective Expansion – Eliminates need for additional CPUs while increasing I/O capacity

The IC693BEM341 allows engineers to scale PLC systems efficiently in complex automation environments.

Technical FAQs

What is the main function of IC693BEM341?
To expand I/O racks with high-density support in Series 90-30 PLC systems.
How many additional modules can a BEM341 support?
Up to 16 additional I/O modules per module.
Which CPUs are compatible?
Series 90-30 CPUs including IC693CPU350, 363, and 374.
What types of modules can be added?
Digital, analog, and communication modules compatible with 90-30 racks.
Does it require a separate power supply?
No, it draws power from the main rack or dedicated 90-30 supply.
What is the operating temperature range?
0°C to +60°C.
Can it be used for remote or distributed racks?
Yes, as long as backplane bus communication is maintained.
Does it impact CPU scan time?
Minimal effect when properly configured.
Is it suitable for retrofitting older PLC systems?
Yes, ideal for increasing I/O capacity without adding extra CPUs.
Why choose IC693BEM341 over earlier BEM modules?
It offers extended high-density support (up to 16 modules) for large and complex automation systems.