GE IC695CHS016-CA | Replacement RX3i Universal Backplane

2. GE IC695CHS016-CA Original GE Fanuc Backplane Warranty

Module 2: The 10-Second Buyer’s Brief

• Brand: GE Fanuc / GE Intelligent Platforms
• Full Model Number: IC695CHS016-CA
• System/Series Family: PACSystems RX3i
• Core Function: 16-slot Universal Backplane providing the RX3i rack infrastructure for controller, I/O, and option modules
• Top 3 Hardcore Specs: 16 universal slots; PCI + serial dual-bus architecture; isolated +24 VDC input terminal strip
• Stock Status: New Surplus — exact revision and physical condition to be confirmed before shipment

GE documentation identifies IC695CHS016 as the 16-slot RX3i Universal Backplane. The -CA revision corresponds to hardware changes introduced for EU-RoHS compliance. The backplane supports both PCI-based IC695 modules and serial IC693/IC694 modules in its dual-bus configuration.

Module 3: Technical Product Introduction

A failed backplane is a rack-level problem: even fully functional CPUs and I/O modules cannot communicate correctly if the shared bus or module connectors are compromised. The GE IC695CHS016-CA provides the physical and electrical infrastructure for a PACSystems RX3i rack, with 16 universal module positions and a dual-bus architecture supporting both PCI-based IC695 modules and serial IC693/IC694 I/O and option modules. GE’s configuration documentation specifies that IC695-series modules are installed in an RX3i Universal Rack.

The -CA suffix matters. GE’s backplane release history identifies IC695CHS012/016-CA as the revision incorporating hardware changes for EU-RoHS compliance. The backplane also provides an isolated +24 VDC input terminal strip, a grounding point, an integral grounding bar, a serial expansion connector, and printed slot numbers. This is not simply a passive mounting plate; bus architecture, power distribution, grounding, and connector integrity all affect system operation. If replacing an older revision, confirm the installed modules and system documentation before assuming that every historical hardware combination is acceptable.

GE IC695CHS016-CA

Module 4: Application Scenarios & Field Realities

• For a 16-slot RX3i controller rack, the IC695CHS016-CA provides the required universal backplane positions for the CPU, power supply, I/O, and communication modules. GE’s configuration examples show the IC695CHS016 being used as the 16-slot controller base.
• When a mixed-generation I/O architecture is retained, the dual-bus design is particularly useful. The backplane can accommodate PCI-based IC695 modules alongside supported serial IC693/IC694 modules, subject to the RX3i compatibility tables.
• During cabinet refurbishment, inspect the backplane rather than replacing it solely because an individual module has failed. Look for damaged PCI connectors, bent contacts, contamination, loose terminals, grounding problems, and mechanical damage around the slot positions.
• For systems requiring additional remote or expansion racks, use the dedicated serial expansion connection and the appropriate expansion architecture. Do not treat the 16-slot universal backplane as interchangeable with an IC693/IC694 expansion base simply because both use similar rack hardware.

Module 5: Migration, Compatibility & Installation Traps

Replacement Matrix

Field Trap 1 — Dual-bus versus PCI-only:
Do not confuse the standard IC695CHS016 with the later PCI-only backplane variants. GE’s current RX3i system documentation identifies both dual-bus and PCI-only versions. The dual-bus version supports PCI-based IC695 modules plus supported serial IC693/IC694 and Series 90-30 I/O; a PCI-only version does not provide that serial bus.

Field Trap 2 — Revision identification:
The -CA revision is not merely a sales suffix. GE’s release history records hardware changes for EU-RoHS compliance at the CA revision. Earlier BA, BAMP, and A versions also had documented hardware changes for ATEX or environmental-noise performance. Match the customer’s installed revision and certification requirements before substitution.

Installation note: Remove rack power before replacing the backplane. Label every module position and external connection, especially the +24 VDC input and grounding conductors. After reassembly, verify backplane grounding, power distribution, module seating, and controller configuration before returning the rack to service.

Module 6: Quality Assurance SOP

1. OEM identification inspection — Verify the GE/GE Fanuc IC695CHS016-CA catalog number, backplane labeling, revision marking, and manufacturing identification.
2. Mechanical inspection — Check all 16 module positions, guide rails, retention features, terminal strips, expansion connector, grounding points, and mounting surfaces for damage or deformation.
3. OEM anti-counterfeit visual inspection — Compare GE labeling, connector arrangement, PCB/backplane construction, slot numbering, terminal layout, and identification markings against known RX3i hardware.
4. Power-path inspection — Check the isolated +24 VDC input terminal area and associated connections for corrosion, loose hardware, damaged insulation, or signs of overheating.
5. Backplane connector inspection — Examine PCI and serial-bus contacts for contamination, bent pins, oxidation, or mechanical damage. A connector problem can present as a module fault even when the installed module is functional.
6. Rack-level power-up test — Install the backplane in an appropriate RX3i test configuration and verify correct power distribution with the applicable GE power supply and controller hardware.
7. Bus communication verification — Populate representative compatible IC695 and, where applicable, IC693/IC694 modules and verify that the controller recognizes the configured hardware without unexpected backplane or system faults.
8. Slot verification — Confirm that all required module positions are mechanically secure and correspond to the intended RX3i hardware configuration.
9. Grounding verification — Check the backplane grounding point and integral grounding bar before final release. Improper grounding can introduce noise or intermittent communication problems.
10. Final traceability record — Photograph the complete IC695CHS016-CA identification, document revision and physical condition, record test results, and package the backplane with suitable mechanical and ESD protection.

For IC695CHS016-CA, the key procurement distinction is the 16-slot RX3i Universal Backplane with dual-bus capability and the CA hardware revision. GE documentation confirms that the CA revision introduced EU-RoHS-related hardware changes, while the RX3i system documentation distinguishes standard dual-bus backplanes from PCI-only versions.