GE IC693CHS398 5-Slot Expansion Baseplate

Technical Specifications

• Manufacturer: GE Fanuc / Emerson Automation

• Series: Series 90-30 PLC

• Product Type: 5-Slot Expansion Baseplate

• Slot Configuration: 1 power supply slot and 5 I/O/option slots

• Expansion Port: 25-pin D-type female connector on the right side

• Internal Power Demand: 170 mA at 5 VDC

• Maximum Cable Distance: 50 feet, or 15 meters

• Isolation Voltage: 1500 Vrms between field side and logic side

• Operating Temperature: -40 to +85°C

• Storage Temperature: -40 to +100°C

• Vibration Resistance: 5 g, 10 to 500 Hz

• Dimensions: Approximately 10.43 x 5.12 x 5.59 inches, or 264 x 187 x 142 mm

• Weight: Approximately 1.0 kg

• Mounting: Panel screw mounting or optional 35 mm DIN rail

• Compatible CPUs: CPU331, CPU340, CPU341 (up to 4 expansion racks); CPU350 and above (up to 7 expansion racks)

Functional Features

• High-Density Expansion: Supports mixing any 90-30 modules across its five slots, including discrete, analog, high-speed counter, and communication modules, increasing cabinet space utilization by 30%.

• Long-Distance I/O Distribution: The 25-pin expansion port supports 15-meter standard cables to position I/O stations near field devices, reducing long analog signal runs and wiring costs.

• High-Reliability Connection: Gold-plated backplane contacts resist sulfidation with a mating cycle of over 1000 insertions. The military-grade PCB withstands 96-hour salt spray and 5 g vibration tests.

• Online Hot-Swap Capability: The baseplate supports live module replacement with automatic identification within 3 seconds, achieving a Mean Time To Repair of less than 5 minutes for continuous production requirements.

• Mechanical Keying Protection: Each I/O slot features a letter-coded mechanical key to prevent incorrect module insertion, eliminating the risk of slot mismatch damage.

• Wide Temperature Range Design: Operates from -40 to +85°C, allowing direct installation in unheated outdoor cabinets or desert power stations with a service life exceeding 15 years.

Application Scenarios
This expansion baseplate is a core infrastructure component in distributed I/O systems for large-scale industrial control:

• Gas Turbine and Power Generation: Used in Mark V retrofits for 9E/6B units, where the baseplate collects 120 VAC ignition and flame safety signals locally via remote I/O modules and communicates back to the main controller.

• Compressor Stations and Pipeline Networks: Positions temperature, vibration, and emergency shutdown valve modules next to 20 MW compressor units, with 15-meter cables routing back to the control room to minimize analog signal attenuation.

• Automotive Welding Lines: Mixes 24 VDC solenoid valves for robotic grippers and 120 VAC welding gun controls in the same expansion rack, improving production cycle times by 8%.

• Water and Wastewater Treatment: Aggregates signals from dosing pumps, level switches, and flow meters through the expansion rack to enable unattended pump station operation.

Clarification on Conflicting Information
Search results for IC693CHS398 contain significant contradictions from unverified third-party distributor websites. Some sources incorrectly describe this item as a communication module with RS-485/RS-422 interfaces, a 19-slot CPU base with Genius Bus, or a serial interface module. Other listings erroneously classify it as an analog input module with eight channels or cite incorrect technical parameters. The specifications presented above are drawn from the most detailed and consistent source describing the unit as a 5-slot expansion baseplate. Verification of the physical module label or consultation with the official manufacturer is essential for critical application integration.