GE IC693CHS391N Series 90-30 Baseplate

Configured for main rack expansion and module interfacing in Series 90-30 platforms, the GE IC693CHS391N (IC693CHS391 Baseplate) provides direct physical/electrical execution. This 10-slot chassis serves as the central backplane foundation, distributing power and CPU communication buses across installed discrete, analog, and specialty modules.

Hardware Specifications

Backplane Bus Communication & IO Density Scaling

The 10-slot baseplate distributes data frames via the parallel backplane bus communication velocity framework, facilitating high-speed CPU address decoding and image table synchronization. Built with optimized I/O density scaling geometry, the chassis maintains low-impedance trace pathways across all nine I/O positions. Gold-plated connectors and internal bus line filtering safeguard firmware flash compatibility and scan cycle deterministic execution against electromagnetic interference.

Frequently Asked Questions

Q: Which slot position is dedicated to the power supply module on the IC693CHS391N?

A: The leftmost slot position is dedicated exclusively to the Series 90-30 power supply module, which supplies regulated +5 VDC and +24 VDC power across the backplane bus.

Q: Does the IC693CHS391N baseplate support hot-swapping of I/O modules during operation?

A: No, backplane power must be completely de-energized prior to inserting or removing any I/O module to prevent electrical damage or bus timing faults.

Q: Can expansion baseplates be daisy-chained from the IC693CHS391N baseplate?

A: Yes, using the right-side expansion bus connector, standard expansion cables can connect the main CPU baseplate to additional expansion or remote baseplates.

Field Installation Guidelines

• Ensure all AC and DC incoming power sources are disconnected before installing or mounting the baseplate.
• Secure the baseplate panel mounting flanges using specified metal hardware to ensure mechanical grounding continuity.
• Verify that module connector pins are free of dust or debris before inserting cards into slots.
• Connect the main enclosure ground strap directly to the ground terminal connection on the rack frame.
• Allow a minimum clearance of 76 mm above and below the baseplate to facilitate natural convective cooling airflow.