GE IC693CHS392 Expansion Baseplate

Product Overview
The GE IC693CHS392 is a 10-slot expansion baseplate from the Series 90-30 Programmable Logic Controller (PLC) platform, formerly manufactured by GE Fanuc and now under Emerson Automation. It functions as a local I/O expansion chassis, allowing users to increase the I/O capacity of a Series 90-30 PLC system beyond the main CPU baseplate. This non-CPU baseplate connects to the host system via a parallel cable and provides ten slots for standard I/O and option modules, all monitored by a single processor.

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Description

Technical Specifications

  • Product Type: Expansion Baseplate (Local I/O Expansion)

  • Series: GE Fanuc Series 90-30

  • Number of I/O Slots: 10 (slots 1 through 10)

  • Power Supply Slot: 1 dedicated slot for a power supply module

  • Expansion Port: 25-pin female D-shell connector

  • Internal Power Consumption: 150 mA at 5 VDC

  • Operating Temperature: -20°C to +70°C

  • Maximum Expansion Cable Length: 50 feet (15 meters)

  • Mounting: Panel mounting via integrated mounting tabs

  • Physical Dimensions: 17.44 x 5.12 x 5.59 inches (W x H x D); approximately 443 mm x 142 mm x 130 mm

  • Weight: Approximately 2.06 lbs (0.94 kg)

  • Product Lifecycle: Discontinued/Obsolete

Key Functional Features

  • Local I/O Expansion: Enables the extension of a PLC’s I/O capacity to locations near the main CPU chassis (up to 50 feet away), creating a centralized control architecture under a single processor.

  • Rack Address Configuration: Features an embedded DIP switch for setting the rack address, enabling proper identification within a multi-baseplate system.

  • CPU-Dependent Capacity: The maximum number of expansion baseplates is determined by the host CPU model. CPUs 331, 340, and 341 support a maximum of 4 baseplates, while CPUs 350 and higher support up to 7 baseplates.

  • Module Compatibility Restrictions: Supports all standard I/O modules. However, intelligent option modules, including the Programmable Coprocessor Module (PCM), Analog to Digital Converter (ADC), Bus Expansion Module (BEM330), and Communication Module (CMM311), are not supported and must be installed directly in a CPU baseplate.

  • Integrated Power Distribution: Requires a dedicated power supply module installed in the baseplate’s power supply slot to energize all installed modules and the backplane.

Application Scenarios

  • Local I/O Expansion: Used to add more I/O points to a Series 90-30 PLC system when the main CPU baseplate is full, placing modules in an adjacent cabinet on the same equipment.

  • Process Control: Deployed in power generation, chemical, steel, and water treatment industries to accommodate a higher density of sensors and actuators controlled by a single PLC processor.

  • Machine Control: Applied in manufacturing lines where additional I/O for conveyors, robotics, or auxiliary equipment is needed close to the main control panel.

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