IC693CHS393 GE Fanuc PACSystems Series 90-30 Remote Expansion Baseplate

Product Overview

The GE Fanuc IC693CHS393, also cataloged as the IC693CHS393 Remote Expansion Baseplate, operates as a dedicated hardware component for remote physical and electrical expansion of input/output subsystems within PACSystems Series 90-30 platforms. This structural backplane provides 5 physical module slots alongside integrated electrical traces that route communication signals between remote peripheral units and the primary central processing unit chassis. The unit uses a specialized high-density expansion port to maintain synchronous data block scanning over extended distances.

Hardware Specifications

Backplane Bus Communication Velocity and System Constraints

This remote backplane assembly interfaces with the primary rack structure via a dedicated serial bus link that operates within hard deterministic timeline boundaries. The internal copper traces maintain localized backplane bus communication velocity metrics across all 5 active data channels, preventing skew or bit-shift deviations during large register transfers. Hardware logic circuits on the inserted I/O blocks run in strict compliance with host firmware flash compatibility configurations, enabling seamless register mapping up to the design limits of the Series 90-30 parallel bus protocol.

Frequently Asked Questions

Q: What differentiates this remote expansion chassis from a standard local expansion baseplate?

A: This module contains localized differential transceiver isolation circuits within the 25-pin D-sub connector assembly. This physical interface allows the unit to operate at a maximum physical distance of up to 15 meters from the primary CPU rack, whereas standard local plates have shorter distance limits.

Q: Can an active processor module be installed directly into one of the 5 slots on this baseplate?

A: No. The backplane logic routing on this model is hardwired strictly for I/O modules and specialty communication cards. Central processing units must reside exclusively in slot 1 of a primary baseplate assembly.

Field Installation Guidelines

• Power Supply Integration: Position a compatible Series 90-30 power supply module in the leftmost unnumbered slot before energizing any external field circuits. The baseplate cannot inherit logic power through the 25-pin remote cable assembly.
• Cable Strain Relief: Anchor the 25-pin remote expansion cable using the integrated faceplate retaining jackscrews to prevent mechanical terminal separation inside high-vibration operating zones.
• Grounding Grid Connection: Fasten a dedicated low-resistance grounding jumper from the chassis ground terminal block directly to the enclosure frame backplane to maintain uniform electrical noise suppression limits.