The IC698CHS009 is GE Fanuc’s 9‑slot rear‑mount rack (chassis) for PACSystems RX7i / Series 90‑70 systems, used to house the power supply, CPU, and I/O or specialty modules.

Function and application

• Role in system: Provides the backplane, mechanical structure, and power distribution for RX7i CPUs, I/O modules, and VME‑style cards in a compact 9‑slot enclosure.
• Platform compatibility: Works with RX7i CPUs and most Series 90‑70 I/O modules; also supports standard VME modules in many configurations.
• Mounting style: Designed as a rear‑mount (panel‑mount) rack, typically installed inside control cabinets with module access from the front.

Key specifications

From GE documentation and distributor data:

• Slots: 9 module positions (single‑width spacing), plus a dedicated position for the power supply in many layouts.
• Backplane pitch: 0.8 in (20.3 mm) between slot connectors, standard VME‑style spacing.
• Mounting: Rear (panel) mount; suited for DIN‑rail or screw‑fixed installation in enclosures.
• Power supply compatibility: Accepts standard RX7i power supplies (e.g. 100 W / 350 W class units) that plug into the rack and feed the backplane.
• Typical electrical environment: Backplane powered at 5 VDC logic levels; overall system voltage depends on the installed PSU and I/O modules.
• Environmental ratings (typical):
  • Operating temperature: around 0 °C to +55 °C (some docs cite up to 60 °C)
  • Humidity: up to 95 % non‑condensing
• Mechanical: Steel housing, ruggedized for industrial environments; dimensions in the range of roughly 480 mm width (19‑inch class) with depth/height suited to cabinet mounting.

Typical configuration

A common layout in an IC698CHS009 rack:

• Slot 0: Power supply module (IC698PSA/PSB series)
• Slot 1: CPU module (e.g. IC698CPE010/020/030)
• Slots 2–8: Mix of digital/analog I/O, communication, motion, or VME modules as required

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