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In factories scaling up from compact control panels to distributed I/O networks with GE Fanuc Series 90-30 PLCs, the GE IC693CHS398F provides five extra module slots for adding analog outputs, high-speed counters, or specialty cards without forcing a full rack swap or remote drops. Operators benefit indirectly during expansions, as it keeps HMIs responsive by hosting local diagnostics close to the CPU baseplate. You’ll typically find it chained right after the main CPU chassis in MCC sections for packaging indexers, mixer drives, or conveyor merges, where space constraints demand tight integration over long cable trays. Maintenance teams value its plug-in expansion port for quick growth during upgrades, cutting commissioning time when production lines add vision sensors or loop controllers. In these environments, the GE IC693CHS398F solves cabinet overcrowding and backplane loading issues, supporting tasks like mixed I/O balancing and power budgeting that maintain scan performance. Engineers select the GE IC693CHS398F for control systems needing modular growth within 50 feet of the CPU rack, applicable in setups prioritizing footprint efficiency over massive remote expansions.
The GE IC693CHS398F is a 5-slot expansion baseplate from the GE Fanuc Series 90-30 PLC family, designed to extend the main CPU chassis with additional I/O and option module capacity. It connects via a 25-pin D-shell female expansion port on its right end, daisy-chaining up to 50 feet (15 meters) to the primary rack while distributing 5 VDC backplane power to hosted modules. In a typical 90-30 architecture, the GE IC693CHS398F carries rack address 1 by default, accepting any standard I/O receiver modules (discrete, analog, or specialty) in slots 1 through 5, with no CPU or power supply support—those stay in the main base. This keeps logic centralized while scaling points locally, and its F revision likely includes refined EMI shielding or connector durability for legacy field use. Panel builders appreciate the GE IC693CHS398F for standardized mounting holes, wiring channels, and keyed slots that prevent hot-swaps from damaging modules or corrupting configs.
Expansion stays simple with the GE IC693CHS398F: internal power budget hits 170 mA at 5 VDC drawn from the host rack, supporting typical loads like four analog modules without derating up to 60 °C ambient. The metal frame dissipates heat via convection, and D-sub cabling handles daisy-chains reliably over the rated distance, with no protocol converters needed. Ground straps tie racks electrically, and optional shields block crosstalk in dense panels.
Build quality emphasizes serviceability: 10.43 x 5.12 x 5.59-inch footprint weighs under 5 lbs empty, DIN-rail or panel-mounts securely, and IP20 rating assumes enclosure protection for industrial dust.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE IC693CHS398F |
| Brand | GE Fanuc Series 90-30 |
| Type | 5-slot I/O expansion baseplate |
| Slots Available | 5 (I/O and option modules only) |
| Expansion Distance | Up to 50 feet (15 m) from CPU base |
| Internal Power Consumption | 170 mA @ 5 VDC |
| Dimensions (W x H x D) | 10.43 x 5.12 x 5.59 inches |
| Weight | Approx. 4-5 lbs (empty) |
| Operating Temperature | 0 °C to 60 °C |
| Expansion Connector | 25-pin D-shell female |
| Mounting | Panel or DIN rail |
| Module Compatibility | Series 90-30 I/O receivers (no CPU/PS) |
- IC693CHS398F
Related Modules or Compatible Units
IC693CHS391 – 10-slot expansion baseplate for higher density extensions.
IC693PWR321 – Power supply in main CPU base feeding the expansion chain.
IC693ALG392 – Analog output module commonly installed in GE IC693CHS398F slots.
IC693CPU374 – Series 90-30 CPU in primary rack addressing expansion modules.
IC693MDL645 – Discrete input module pairing for balanced I/O growth.
Chain the GE IC693CHS398F to the CPU base with D-sub cable under 50 feet, securing grounds between frames and populating slots from left to balance backplane current—test continuity pre-power.
Verify the GE IC693CHS398F yearly by reseating modules and checking expansion link status in diagnostics, ensuring no hot spots from uneven loading.
