The GE IC693BEM331 is a crucial communication gateway for distributed I/O systems. This Genius Bus Controller module integrates seamlessly into the GE Series 90-30 Programmable Logic Controller family. It enables the PLC to communicate with and manage a network of up to 31 Genius I/O blocks and devices.
Engineered for Robust Distributed I/O Networking
Engineered for distributed control, this module interfaces the PLC backplane with the Genius serial I/O bus. It can transmit and receive a maximum of 128 bytes of data per scan cycle across the network. Furthermore, it supports communication with discrete, analog, and special-purpose Genius field devices.
Compatible with a Wide Range of CPU Modules
The IC693BEM331 is compatible with numerous Series 90-30 CPU models, including the IC693CPU331 and IC693CPU350 series. It draws less than 300 mA at +5 VDC directly from the PLC’s backplane for power. Moreover, two status LEDs provide clear indication for module health (OK) and communication activity (COMM OK).
Complete Technical Specifications
| Feature | Specification |
|---|---|
| Manufacturer | GE Fanuc (Emerson) |
| Model | IC693BEM331 |
| Product Line | Series 90-30 PLC |
| Module Type | Genius Bus Controller / Interface Module |
| Primary Function | Connects Series 90-30 PLC to Genius I/O Bus |
| Maximum Devices on Bus | 31 |
| Maximum Data Transfer | 128 Bytes |
| Power Supply | +5 VDC from PLC Backplane (<300 mA) |
| Status Indicators | 2 LEDs (OK, COMM OK) |
| Compatible Controllers | IC693CPU311K, 321K, 331L+, 313, 323, 340, 341, 350, 351, 352, 360, 363, 364 |
| Ingress Protection (IP) | IP20 |
| Weight | 0.40 kg (0.88 lbs) |
Enabling Flexible System Expansion and Integration
This controller enables flexible system expansion by connecting remote I/O drops and Series 90-70 racks. It also supports communication with a Genius Hand-Held Monitor for field configuration and diagnostics. Consequently, it provides a versatile backbone for building comprehensive and scalable automation architectures.
A Foundation for Legacy System Support
A single Series 90-30 rack can support up to eight IC693BEM331 modules for extensive I/O networks. This module is a foundation for maintaining and expanding legacy systems that utilize the proven Genius I/O platform. Therefore, it remains a vital component for ensuring the longevity and functionality of existing GE PLC installations.
Details
| Weight | 1.8 kg |
|---|---|
| Dimensions | 76 × 203 × 102 mm |



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