Environmental Ratings
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Operating Temperature: –20 °C to +65 °C
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Storage Temperature: –40 °C to +85 °C
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Humidity: 5 %–95 % non-condensing
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Shock: 15 g, 11 ms
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Vibration: 2 g, 10–500 Hz
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Protection Class: IP20
Mechanical Data
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Dimensions: 483 mm × 44 mm × 234 mm (19-inch rack width, 1U height)
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Weight: 1.4 kg
LED Indicators
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PWR: 24 V DC field supply OK
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FAULT: Backplane or module fault
Functional Features
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Hot-Swap Support: Any module can be inserted or removed under power without CPU stop
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Redundant Power Feeds: Dual 24 V DC inputs for N+1 power redundancy
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Universal Slot Design: Every slot accepts both PCI and serial modules for maximum flexibility
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Integrated Grounding: Star grounding scheme minimizes noise and simplifies wiring
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Cooling: Passive convection cooling with optional fan kit for high-density racks
Typical Applications
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Process Plants: Central rack hosting analog I/O, motion, and communication modules for distillation control
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Automotive Assembly Lines: Local I/O rack feeding robot controllers and safety I/O blocks over high-speed serial
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Water/Wastewater: SCADA remote I/O rack with redundant power and universal slot configuration
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Machine Retrofits: Upgrade existing Series 90-30 I/O modules to RX3i CPU without rewiring
Software & Engineering Tools
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Configuration: Auto-detected in Proficy Machine Edition; no slot addressing required
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Diagnostics: Real-time backplane voltage, temperature, and module status accessible via RX3i diagnostic buffer
Compatibility
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CPU Support: All PACSystems RX3i CPUs (IC695CPUxxx)
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Legacy I/O: IC694 and IC695 modules, plus Series 90-30 adapters for migration projects
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