Digital guide
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Bently 3500/20 125760-01 Rack Interface Module (RIM) – Standard Communication & Data Manager
Technical Specifications:
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Processor: 1 GHz ARM Cortex-A9 dual-core
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Memory: 2 GB DDR3 RAM, 512 MB flash for firmware
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Data Buffer: 1 million measurement points circular RAM
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Communication Ports:
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USB-B device 2.0 high-speed
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RS-232/RS-485 isolated, 38.4 kbaud default
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10/100BASE-TX auto-MDIX Ethernet
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Detailed content
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Sampling Rate: 24 kHz per channel (shared across rack)
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Time Sync: IRIG-B, SNTP, PTP (IEEE-1588)
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Power: 24 VDC from rack back-plane, 8 W max
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Isolation: 500 V DC channel-to-ground
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Operating Temperature: –40 °C to +85 °C
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Dimensions: 241 × 24 × 99 mm (full-height slot)
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Weight: 0.91 kg
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Agency Approvals: CE, UL, ATEX Zone 2, SIL 2 capable
Functional Features:
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Auto-detects inserted modules and downloads configuration
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Firmware flash without rack shutdown
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Parallel streaming to five simultaneous clients (Modbus, OPC, Bentley proprietary)
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Transient capture trigger from any monitor alarm or external contact
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MIL-STD-810G shock/vibration qualified
Application Scenarios:
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Main gateway for 3500 racks on gas & steam turbines
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Offshore platform compressor protection systems
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Remote pipeline pump stations using fibre Ethernet
