GE Fanuc IC693CHS391G Series 90-30 Expansion Baseplate

The GE Fanuc IC693CHS391G serves as the primary IC693CHS391 Expansion Baseplate utilized to execute internal backplane bus routing and local sub-rack I/O expansion across Series 90-30 platforms. It features a 10-slot architecture designed to interface a power supply module, a CPU or specialty module in Slot 1, and up to nine I/O option modules across Slots 2 through 10.

Hardware Specifications

Backplane Bus Communication Velocity and Firmware Compatibility

The GE Fanuc IC693CHS391G expansion baseplate manages signal propagation and deterministic backplane bus communication velocity across all 10 card slots. Internal backplane trace geometry and multi-layer bus arbitration maintain high-speed signal integrity for digital, analog, and communication cards operating across slots 1 through 10. The 25-pin female D-shell connector enables deterministic expansion chaining, maintaining system timing synchronization and firmware flash compatibility across connected sub-racks.

Frequently Asked Questions

Q: What is the backplane current draw of the IC693CHS391G baseplate logic?

A: The IC693CHS391G internal backplane logic draws 420 mA from the 5 VDC bus supplied by the attached power supply module.

Q: Can the IC693CHS391G expansion baseplate operate without a power supply module installed?

A: No. A compatible Series 90-30 power supply module must be installed in the unnumbered left slot to power the backplane bus and adjacent I/O modules.

Field Installation Guidelines

1. Mount the IC693CHS391G baseplate to the enclosure backpanel using standard mounting screws to ensure low-impedance metal chassis grounding.
2. Install the power supply module into the unnumbered far-left slot prior to inserting I/O or option modules into slots 1 through 10.
3. Attach the 25-pin expansion bus cable to the female D-shell connector and hand-tighten the retention screws to prevent vibration disconnects.
4. Maintain physical segregation between high-voltage AC wiring and the expansion bus cable to avoid EMI noise coupling onto the backplane bus.