I. Basic Information
Brand: Bently Nevada (a subsidiary of Baker Hughes)
Model: 3500/92
Component Number: 136180-01 (配套 I/O back-end terminal board)
Product Type： 3500 unit protection system communication gateway module
Origin： United States
Compatible System： Bently 3500 series rotating machinery vibration monitoring protection rack system
Core Functions
External data forwarding of rack
As the data transfer gateway for all monitoring modules within the 3500 rack， it uniformly collects vibration， shaft displacement， speed， temperature， alarm status， SOE events， fault recording， etc. of all measurement points， uploads them to DCS， PLC， SCADA， System 1 equipment management platform， and simultaneously receives remote parameter configuration and command issuance from the upper computer.
Multi-interface and multi-protocol communication
Front panel RJ45 Ethernet： 10BASE-T， supports Modbus TCP， OPC UA， Bently proprietary protocol， used for local network configuration， large data upload， fault waveform export
Back-end terminal board RS232/RS485 serial ports： supports Modbus RTU/ASCII， compatible with traditional industrial control system point-to-point communication connection
Customized Modbus register mapping
Compared with the old 3500/90， it supports flexible custom register addresses， can filter measurement points， peak values， alarm values， channel status as needed， solving the problem of fixed register measurement point quantity limitation， and meeting the personalized data collection requirements of various projects.
System status diagnosis upload
Real-time upload of module faults， channel abnormalities， bypass status， relay tripping， event sequence recording， achieving remote equipment operation and maintenance， fault traceability and interlock linkage.
Hardware Parameters
Power supply method： 5VDC unified power supply from the backplane of the 3500 rack， no need for external power supply
Typical power consumption： 5.0W
Dimensions： 241.3mm × 24.4mm × 24.4mm
Net weight： 0.82kg
Installation method： 19-inch standard rack full-height slot installation， supports hot swapping
Operating temperature： -20℃ ~ +65℃； Storage temperature： -40℃ ~ +85℃
Environmental humidity： 5%~95% RH (no condensation)
Safety certification： SIL2 functional safety certification， meeting the safety specifications for key units in power plants and petrochemicals
Typical Application Scenarios
Data upload for vibration protection systems of steam turbine generator sets， blowers， induced draft fans of thermal power plants， etc. in thermal power， hydropower， and gas-fired power plants
3500 system connection to DCS control system for large compressors， boosters， pump-type units in petroleum， chemical， and coal chemical industries
Online status monitoring and predictive maintenance data collection for large rotating equipment in steel mills， cement plants， and coal chemical industries
Renovation projects of old units， replacing the old 3500/90 communication card， compatible with the connection of new and old system renovations
Product Advantages
Dual communication interfaces of Ethernet + serial port， balancing high-speed local network transmission and traditional serial port industrial control connection
Programmable Modbus registers， compatible with different manufacturers’ PLC， DCS systems， stronger compatibility
SIL2 safety level， industrial high-reliability design， meeting the continuous operation requirements of key units
Support for simultaneous access by multiple upper computers， capable of simultaneously connecting to the central control system and equipment fault diagnosis platform
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