IC698CHS009A | GE Electric RX3i PLC system 9-slot universal backplane
Product Function
The IC698CHS009A is a 9-slot universal backplane for PACSystems™ RX3i PLC systems. It provides the physical mounting platform and high-speed PCI-based data bus for interconnecting RX3i modules (CPU, power supplies, I/O, and communications), while distributing regulated +5V DC power throughout the chassis. Its passive design ensures signal integrity and supports hot-swappable module replacement.
Product Specifications & Parameters
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Category
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Specification
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Manufacturer
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GE Intelligent Platforms (Emerson Automation Solutions)
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Series
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PACSystems™ RX3i
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Type
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Passive Backplane Chassis
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Slot Configuration
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9 slots total:
• Slot 1: Power Supply (PS) • Slot 2: CPU • Slots 3-9: I/O/Comm |
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Bus Architecture
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PCI-based high-speed serial bus (1.5GB/s bandwidth)
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Power Distribution
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+5V DC via gold-plated connectors (Max 35A per chassis)
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Compatibility
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All RX3i modules (IC698xxx, IC694xxx)
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Mounting Options
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DIN rail (standard), panel-mount (optional kit)
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Operating Temp.
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-40°C to 85°C (non-condensing)
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Dimensions
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360 x 135 x 125 mm (WxHxD)
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Weight
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1.8 kg (empty)
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Material
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Steel enclosure with EMI shielding
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Safety Certifications
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UL 508, CE, cULus, RoHS
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Series Information
Part of the PACSystems™ RX3i Universal Backplane series (CHSxxx). The “009A” suffix denotes a 9-slot chassis optimized for mid-sized control systems. Compatible with all RX3i generations (including RX3i Control Logic Coprocessors).
Key Features
- Hot-Swap Support: Modules can be inserted/removed under power (excluding CPU).
- Universal Slotting: Flexible module placement beyond Slot 1-2 (PS/CPU).
- High-Speed PCI Bus: 1.5GB/s bandwidth for deterministic I/O scanning.
- Robust Power Delivery: Gold-plated contacts minimize voltage drop (<0.1V).
- Dual Mounting: DIN rail (EN 50022) or panel-mount (kit IC698ACC720).
- Diagnostic LEDs: Slot-specific status indicators (Power, Fault, Active).
- EMI/RFI Protection: Ferrite-coated connectors and shielded enclosure.
Role & Purpose
- System Foundation: Central interconnect hub for RX3i control components.
- Signal Integrity: Minimizes electrical noise and crosstalk between modules.
- Power Management: Distributes clean +5V DC from PSU to all slots.
- Scalability Enabler: Base for expanding I/O points via additional racks.
- Fault Isolation: Prevents single-module failures from cascading.
Applications & Use Cases
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Industry
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Application
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Factory Automation
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Robotic cell controllers, assembly line PLC cabinets
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Process Control
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Batch reactor systems, SCADA RTU enclosures
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Energy Management
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Power substation automation, turbine control panels
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Material Handling
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Conveyor control centers, automated warehouse PLC racks
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Water Treatment
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Pump station control panels, chemical dosing skids
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Food & Beverage
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CIP system controllers, packaging machine PLC bases
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Technical Notes
- ⚡ Power Sequencing: Slot 1 must contain power supply; Slot 2 reserved for CPU.
- 🔌 Redundancy Support: Allows dual PSUs in Slot 1 (using IC698CBLxxx cables).
- 📏 Expansion: Connect multiple chassis via IC695CHSxxx expansion racks.
- 💡 LED Indicators:
- Green: Module powered
- Red: Fault detected
- Amber: Module active
- 🛠️ Thermal Management: Requires 25mm clearance above/below for convection cooling.
Configuration Rules:
- Maximum of 4 chassis per CPU (including main rack)
- Total system power ≤ PSU capacity (use IC698PSA350 for high-density I/O)
- Slot 9 cannot host analog modules if Slot 8 has high-speed counter (noise sensitivity)
System Integration Example
IC698CHS009A Configuration:
[Slot 1: IC698PSA350]
[Slot 2: IC698CRE030 CPU]
[Slot 3: IC694ETM001 Ethernet]
[Slot 4: IC694MDL940 32-pt DI]
[Slot 5: IC694MDL754 16-pt AO]
[Slot 6: IC694APU300 Coprocessor]
[Slots 7-9: Empty for expansion] 
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