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SKU: IC693BEM321

GE Fanuc IC693BEM321 Series 90-30 I/O Link Master Module

The GE Fanuc IC693BEM321 is a Series 90-30 I/O Link Master Module designed to control up to 16 slave devices. It supports 1024 I/O points and utilizes RS-422/RS-485 protocols for high-speed, reliable remote communication in complex automation environments.

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Product Overview

The IC693BEM321 functions as a high-performance Serial I/O Link Master Module within the GE Fanuc Series 90-30 PLC family. This module serves as a critical communications bridge, enabling a Series 90-30 CPU to control and monitor up to 16 remote slave devices. By acting as a centralized manager, the master module facilitates efficient data exchange across distributed industrial networks. Consequently, it is an ideal choice for complex automation architectures that require localized control over a wide physical area.

Functional Capabilities

  • Extensive Data Management: The module is capable of processing up to 1024 (1K) digital inputs and 1024 (1K) digital outputs. As a result, it can handle high-density field data from multiple actuators and sensors simultaneously.
  • Scalable Architecture: Because the Series 90-30 baseplate supports up to six IC693BEM321 modules at once, engineers can design systems with multiple independent I/O links. This allows for the isolation of different production sectors to improve system fault tolerance.
  • Robust Communication: It utilizes industry-standard RS-422 and RS-485 serial protocols. Therefore, the system maintains signal integrity over long distances between the master PLC and the remote slave modules.
  • Integrated Diagnostics: The front panel features three dedicated LED indicators. These provide real-time status updates regarding the module’s operational health and communication activity, which simplifies troubleshooting.

Technical Specifications

  • Manufacturer: GE Fanuc (Emerson Automation)
  • Product Series: Series 90-30
  • Module Type: I/O Link Master (BEM)
  • Slave Capacity: Connects up to 16 Slave Modules
  • I/O Capacity: 1024 Inputs / 1024 Outputs
  • Internal Power Consumption: 5V DC from the PLC backplane
  • Interface Connector: 20-pin Honda socket
  • Physical Dimensions: 3.6 cm x 13 cm x 13.5 cm
  • Weight: 0.2 kg

Operational Applications

In practical industrial settings, the IC693BEM321 is frequently utilized to extend the reach of a central PLC to remote I/O racks or specialized machinery. Since the module includes a front-mounted reset button, operators can manually cycle power to the link or clear system faults without restarting the entire PLC. Moreover, the configuration process is highly flexible; users can program the module using either a handheld GE Fanuc programmer or standard PC-based software.

In addition to its primary role in the Series 90-30 line, it maintains compatibility with Series 90-70 components, thereby offering a versatile migration path for aging control systems. Furthermore, its reliable serial interface reduces the need for extensive point-to-point wiring. Consequently, this architecture significantly lowers both initial installation labor and long-term maintenance costs.

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The GE IC693CBL305, also cataloged as the IC693CBL305 Wye connection cable, operates as a dedicated hardware component for serial port signal splitting within Series 90-30 PLC networks. The cable provides direct physical execution of port separation, routing dual channel data paths from a high-density host connector into two distinct 25-pin interfaces. By isolating Port 1 and Port 2 signals at the physical layer, the component facilitates structured cable management and electrical signal routing for communication coprocessor modules.

Hardware Specifications

ParameterSpecification
ModelIC693CBL305
BrandGE
OriginUSA
Weight0.14 kg
Dimensions45.0 cm x 6.2 cm x 1.6 cm
Operating TempStandard Industrial Range
Power ConsumptionPassive (No active components)
Cable Length30.5 cm (1 foot)
Interface TypeRS-232 / RS-485

PLC and Control Network Integration

Backplane bus communication velocity and deterministic synchronization for the Series 90-30 system are facilitated through the effective routing of serial data. Firmware flash compatibility within the host modules is supported, ensuring that the physical signal path provided by the IC693CBL305 maintains high integrity across logic execution cycles. Furthermore, I/O density scaling and port configuration are optimized via this hardware split, enabling the PLC to process communication packets without signal cross-talk. When utilized in complex automation architectures, the cable acts as a protocol bridge, ensuring that RS-232 and RS-485 signals are routed to their appropriate logical destinations on the coprocessor.

Frequently Asked Questions

Q: Does the IC693CBL305 cable support active signal buffering or protocol conversion?A: No. The IC693CBL305 is a passive wiring accessory designed specifically for physical port splitting. It does not contain active electronic components for signal amplification or protocol translation.Q: Can the cable be used to connect different electrical standards on Port 1 and Port 2 simultaneously?A: The cable is configured to route signals from the combined host connector to the designated 25-pin outputs. While Port 1 supports RS-232 and Port 2 supports RS-232 or RS-485, the limitation is defined by the host coprocessor module's internal configuration, not the cable itself.

Field Installation Guidelines

  • Inspect the connectors for bent pins before insertion into the CMM or PCM module ports.
  • The right-angle connector must be fully seated into the host module port to ensure consistent electrical contact.
  • Ensure the dual 25-pin connectors are properly identified and labeled as Port 1 and Port 2 during installation to avoid configuration errors.
  • Secure the cable using standard cable ties to prevent mechanical strain on the host module ports, as excessive tension can lead to intermittent signal loss in industrial environments.
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Configured for discrete AC signal acquisition in the PACSystems RX3i backplane architecture, the GE IC694MDL240 (IC694MDL240 Volt AC Input Module) provides direct electrical input monitoring of field-operated switching devices and AC-powered sensing circuits. The module supports 16 input channels for 120 VAC systems, accepts 85-132 VAC input signals at 50/60 Hz, and interfaces with the RX3i controller through a single-slot backplane connection.

Suffix Breakdown & Model Matrix

The available documentation identifies a single catalog number, IC694MDL240, without any documented suffix variants or ordering-code subdivisions. No suffix matrix is specified by the manufacturer data provided.

Hardware Specifications

ParameterSpecification
ModelIC694MDL240
BrandGE
Product SeriesPACSystems RX3i
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Input Voltage Range85-132 VAC
Nominal Input Voltage120 VAC
Input Frequency50/60 Hz
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OFF-State Voltage0-20 VAC
ON Response Time30 ms
OFF Response Time45 ms
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MountingSingle-slot RX3i backplane installation
OriginUSA
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Dimensions3.5 x 13.2 x 13.5 cm
Operating TempNot specified in provided documentation
Power ConsumptionNot specified in provided documentation
ComplianceUL 508
Environmental ClassificationClass 1, Division 2 compatible applications

Backplane Communication and I/O Density Scaling

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Frequently Asked Questions

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Field Installation Guidelines

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  • Confirm correct channel addressing and field terminal assignments before controller startup.
  • Inspect LED channel indicators during commissioning to verify correspondence between field device operation and controller input status.
  • Follow lockout and electrical safety procedures before connecting or disconnecting field wiring.
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