Hersteller: Bently Nevada
Produkt-Nr.: 3500/72M-01-00
Herkunftsland:Vereinigte Staaten
Produkttyp: Rod Position Monitors
Zahlung: T/T, Western Union
Gewicht: 320g
Versandhafen: Xiamen
Garantie: 12 Monate
Monitoring reciprocating compressor performance requires specialized measurement channels, which is the primary function of the Bently Nevada 3500/72M-01-00. This four-channel monitor accepts inputs from proximity transducers, processes the signals to continuously measure shaft and rod position, and compares the processed signals with user-programmable alarms. Designed specifically for integration into the 3500 Series Machinery Protection System, this module utilizes the 01 I/O option, which provides internal terminations to streamline direct field wiring connections without requiring external termination blocks. This specific variant does not carry regulatory agency approval certifications (Option 00), making it ideal for non-hazardous industrial environments or standard panel topologies.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model Number | 3500/72M-01-00 |
| Module Type | Rod Position Monitor |
| Channels | 4 channels per module |
| I/O Module Type | 01 (Internal Terminations) |
| Agency Approval | 00 (None / No Approvals) |
| Signal Processing | Analog-to-Digital, DSP-enabled rod position algorithms |
| Power Consumption | Nominal 7.7 Watts (typical) |
| Operating Temperature | -30 to +65 Celsius (-22 to +149 Fahrenheit) |
| Module Weight | 0.91 kg (2.0 lbs) |
| Shipping Weight (Calculated) | 2.0 kg (4.4 lbs) |
| Terminal Point / Port | Function / Assignment |
|---|---|
| Ch 1 to Ch 4 (Sig, Com, VT) | Transducer input connections (Signal, Common, Transmitter Voltage) |
| Buffered Outputs (Front Panel) | Coaxial dynamic signal connectors for diagnostic or analyzer instruments |
| Chassis Ground Stud | Provides low-impedance connection to protective earth system |
The 3500/72M replaces or interfaces alongside older legacy non-M configurations (such as the standard 3500/72). However, it requires minimum 3500 Rack Configuration Software version 4.0 or higher to access the enhanced processing metrics. If migrating from external termination systems to internal terminations (Option 01), ensure cabinet depth clearances can accommodate direct wiring loops without exceeding minimum bend radii for transducer cables.
To prevent measurement drift in rod position tracking, the physical alignment of the Proximitor sensors relative to the rod must be calibrated at dynamic operating temperatures. Because thermal expansion can skew "cold" baseline values, always program clearance offsets into the configuration. Do not route low-voltage sensor cables alongside heavy-duty drive motor supply lines to avoid electrical interference on the high-frequency displacement calculations.
When wiring to the internal terminal strip on the 3500/72M-01-00, ensure the cable shields are grounded only at the 3500 rack ground point. Multi-point grounding can establish ground loops, introducing noise that distorts the delicate millivolt signal from the proximity sensors. Keep wiring clean and verify that terminal block screws are torqued exactly to manufacturer specifications to maintain long-term signal integrity under vibration.
Disconnect all power sources and verify the machinery protection rack is fully de-energized before inserting or removing the 3500/72M monitor or its corresponding I/O module. Static discharge can permanently damage internal solid-state components. Wear an ESD wrist strap connected to a verified ground point during installation.
Verify slot alignment within the 3500 rack. The main monitor module must slide into the front slot directly corresponding to the rear slot where the I/O module with internal terminations is installed.
Gently insert the I/O module into the rear slot of the rack. Tighten the two securing screws on the faceplate to ensure continuous ground contact with the rack chassis.
Connect Proximitor field wiring to the corresponding internal termination terminals (Ch 1 - Ch 4). Keep cable routing separate from high-power distribution lines.
Power up the 3500 rack and connect via the configuration interface to verify proper channel detection, system status lights, and correct voltage offsets.
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Vereinigte Staaten
|
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