Description
Key Technical Specifications
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Model Number: 200350-00-00-00
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Manufacturer: Bently Nevada (Baker Hughes)
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Compatibility: ABB/Bently 3500 Monitoring System racks (full/half-height slots)
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Supported Modules: All 3500 series modules (e.g., 3500/42M, 3500/25, 3500/92)
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Communication Interfaces: 2x RS485 (Modbus RTU), 1x 10/100Mbps Ethernet (TCP/IP, Modbus TCP)
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Configuration Method: Software-defined (Bently System 1 or 3500 Configuration Software)
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Redundancy: Dual RS485 ports for failover communication
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Operating Temperature: 0°C to +65°C (rack-mounted)
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Storage Temperature: -40°C to +85°C
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Electrical Isolation: 500Vrms (port-to-rack, per IEC 60664-1)
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Dimensions: 119mm x 25mm x 102mm (WxHxD, 3500 half-height slot)
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Weight: 0.12kg
Bently 200350-00-00-00
Field Application & Problem Solved
In the field, setting up a 3500 Machinery Protection System is a logistical headache: technicians waste hours manually mapping module slots, chasing communication faults between vibration monitors (3500/42M) and keyphasor inputs (3500/25), and fixing DCS integration glitches. This configuration module solves that by acting as the “brain” of the 3500 rack—defining module positions, routing data paths, and providing redundant communication links. You’ll find it in power plants configuring turbine protection racks, refineries integrating compressor monitors with Yokogawa DCS, or paper mills linking 3500 systems to Allen-Bradley PLCs. Its core value is standardization: it enforces correct module sequencing (e.g., power supply first, then monitors) and eliminates “slot conflict” errors common in manual setups. For example, in a gas turbine upgrade, it reduced configuration time from 8 hours to 2 by auto-generating slot assignments and testing communication links pre-installation. The Ethernet port also streams real-time rack health data to the plant historian, cutting troubleshooting time by 50%.
Installation & Maintenance Pitfalls (Expert Tips)
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Incorrect Module Slot Order: Rookies place communication modules (e.g., 3500/92) before power supplies, causing boot failures. Always follow the 3500 manual’s slot priority: power (3500/PS), then communication (3500/25, 3500/92), then monitors (3500/42M). Use the 200350 software to auto-validate.
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Skipping Redundant Port Testing: The dual RS485 ports are for failover, but leaving one unterminated causes echo errors. Terminate both ports with 120Ω resistors (per Bently TN-114) and test with a loopback plug to confirm both active.
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Ignoring Ethernet VLAN Tagging: In plants with segmented networks, the 200350’s Ethernet port may be blocked by VLANs. Coordinate with IT to assign a static IP in the DCS subnet and disable port security temporarily during setup.
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Neglecting Software Version Sync: The 200350 configuration software must match the 3500 rack firmware (e.g., v5.10). Mismatched versions cause “invalid slot” errors—always update both via Bently’s Update Manager.
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Overlooking Hot-Swap Precautions: While hot-swappable, replacing the 200350 with power applied risks corrupting the rack’s configuration memory. Always power down the rack or use the 3500’s “safe mode” before swapping.
Bently 200350-00-00-00
Technical Deep Dive & Overview
The 200350-00-00-00 is a rack configuration and communication interface module for Bently’s 3500 Monitoring System. It acts as the central coordinator for the 3500 framework: physically, it occupies a half-height slot in the 3500 rack; logically, it defines module addresses, slot assignments, and data routing via Bently’s configuration software. When a 3500/42M vibration monitor boots, it queries the 200350 for its slot ID and communication path (RS485 or Ethernet). The module then relays data between monitors, keyphasor inputs (3500/25), and external systems (DCS/SCADA). Redundant RS485 ports ensure continuity if one link fails, while the Ethernet port supports high-speed streaming to plant networks. Internally, it uses a microcontroller to manage slot mapping and a transceiver for protocol conversion (Modbus RTU to TCP). In short, it’s the “traffic cop” of the 3500 system—organizing chaos into a predictable, reliable protection network. Without it, 3500 racks devolve into unmanageable collections of modules.
