Bently Nevada 3500/22M 146031-01 Transient Data Interface I/O Module - Image 1

Bently Nevada 3500/22M 146031-01 Transient Data Interface I/O Module - Image 2

Bently Nevada 3500/22M 146031-01 Transient Data Interface I/O Module

Technical Specifications
– Host module : 3500/22M Transient Data Interface (slot-1, full-height)
– I/O channels : 22 dynamic + 24 static/process channels via TDI back-plane
– Sampling rate : 25.6 kHz / 51.2 kHz / 102.4 kHz selectable per dynamic channel
– Resolution : 16-bit ADC, <0.02 % non-linearity, 30 ppm/°C drift
– Frequency range : 0.3 Hz – 40 kHz (–3 dB) with programmable filters
– On-board memory : 2 GB for transient buffer, event log and firmware
– Communication ports :
– 2 × 10/100BASE-TX copper Ethernet (RJ-45)
– 1 × RS-232 / RS-485 (38.4 kbaud, Modbus RTU)
– Protocols : Modbus TCP/RTU, proprietary Bently protocol, OPC UA tunnel
– Power supply : 24 Vdc from rack back-plane, 10.5 W typical, <15 W max
– Isolation : 1 500 Vac channel-to-ground, 500 V channel-to-channel
– MTBF : >250 000 h @ 45 °C per MIL-HDBK-217F
– Operating temperature : –40 °C to +85 °C full performance
– Storage temperature : –55 °C to +125 °C
– Humidity : 5 %–95 % non-condensing
– Shock / vibration : 15 g half-sine 11 ms; 5 g 5–500 Hz operational
– Dimensions : 101.6 mm × 76.2 mm × 25.4 mm (4″ × 3″ × 1″)
– Weight : 0.2 kg (0.44 lb)
– Enclosure / PCB : conformal-coated, IP65 bulkhead seal on RJ-45 ports
– Agency approvals : CE, UL/cUL Class I Div 2, ATEX/IECEx Zone 2, RoHS

Category: Bentley

Description

Functional Highlights
– Dual Ethernet – two independent copper ports support redundant plant networks and remote diagnostics rooms without external switches
– Hot-swap I/O – rear-board design allows replacement under power; no impact on protection or TDI operation
– Auto-negotiation – 10/100 Mb ports self-configure for half/full duplex and straight/cross cables
– Time sync – IRIG-B, PTP or SNTP delivered through the TDI timestamps events to ±1 ms across the entire plant network
– Transient capture – programmable pre- and post-trigger buffers (up to 16 000 samples) catch fast events such as blade loss, surge or gear-tooth breakage
– Cyber-secure – SSL/TLS encryption, role-based access and syslog forwarding to SIEM platforms
– Firmware flash – field-upgradeable via Ethernet in <3 min; rollback image stored for safety
– TMR ready – special firmware performs 2-out-of-3 channel voting when used in triple-modular-redundant racks.

Application Scenarios
– Steam & gas turbine TSI cabinets – interfaces rack data to GE Mark VIe, Siemens SPPA-T3000 or Emerson Ovation DCS
– Offshore platform centrifugal compressors – redundant fiber-Ethernet rings send vibration data to onshore System 1 servers
– LNG refrigeration trains – 102.4 kHz sampling captures gear-mesh harmonics for early tooth-fault detection
– Ethylene hyper-compressors – transient buffers store start-up and surge events for root-cause analysis
– Cross-country pipeline pump stations – IRIG-B time sync aligns multiple racks along 500 km right-of-way
– Steel mill blast-furnace blowers – Zone-2 certification allows direct mounting in hazardous junction boxes
– Wind-turbine test stands – high-speed Modbus TCP feeds real-time data to LabVIEW or MATLAB for modal analysis
– Nuclear feed-water pumps – TMR configuration meets IEEE 338 requirements for safety-related monitoring.

Installation & Maintenance
The 146031-01 I/O card installs on the rear of the 3500/22M TDI in slot 1; captive screws provide chassis earth bond. Front LEDs on the TDI indicate Ethernet link/activity, serial traffic and transient-capture status. RJ-45 and DB-9 connectors accept standard Cat-5e and RS-232 cables; no separate power wiring is required. Onboard diagnostics report temperature, supply margin and communication health over the same Ethernet link, enabling fully remote health dashboards. Card replacement takes <1 min; all rack parameters remain stored non-volatilely on every monitor, so no re-configuration is necessary.

Compatibility
Backward- and forward-compatible with every 3500 monitor produced since 1998 (3500/40M, 3500/42M, 3500/44M, 3500/45, 3500/46M, 3500/50, 3500/60, 3500/62, 3500/70M, 3500/72M, 3500/77M, 3500/90, 3500/92, 3500/93). Operates seamlessly with legacy TDIX/DDIX and current TDI communication processors. Supported by System 1 v6.5 onward and by third-party OPC UA, Modbus and DNP3 clients.

Ordering Reference
3500/22-01-01-00 138607-01 – Standard TDI + 146031-01 copper-Ethernet I/O kit
3500/22-01-02-00 138607-01 – TDI + 146031-02 fiber-optic Ethernet I/O kit
3500/22-02-01-00 138607-01 – TMR version for triple-redundant racks
3500/22-AXX-BXX-CXX – Full modular option table for cable length, firmware revision and hazardous-area certification .

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