Bently Nevada 3500/54 133396-01 Mechanical speed and key phase monitoring kit

Specific Parameters

3500/54 Monitoring Module
Electrical Parameters
Supply Voltage: 5V DC ±5% (provided by 3500 system frame)
Input Channels: 4 independent differential inputs, compatible with magnetoelectric/photoelectric sensors
Signal Types:
Speed Signals: Sine wave (0.1-10Vpp), Square wave (TTL/CMOS)
Keyphasor Signals: Single-pulse/multi-pulse keyphasor marking (synchronized with speed)
Measurement Range:
Speed: 0.1-30000rpm (expandable to 100000rpm)
Pulse Count: 1-1000 pulses/revolution
Measurement Accuracy: ±0.01% full scale
Resolution: 24-bit A/D conversion
Output Signals: 4×4-20mA analog outputs (speed proportional), 4×Form-C relay outputs (overspeed/alarm)
Communication Interface: 3500 system backplane bus (100Mbps)
Protection Functions: Overvoltage protection (≤30V DC), short circuit protection, 2.5kV AC inter-channel isolation
Power Consumption: ≤7W under normal operation
Environmental Parameters
Operating Temperature: 0°C to 65°C
Storage Temperature: -40°C to 85°C
Relative Humidity: 5% to 95% (non-condensing, no dew formation)
EMC Immunity: Compliant with EN 61326-1 (industrial grade), IEC 61000-4-6
Vibration Resistance: 10-500Hz, 2g acceleration (compliant with IEC 60068-2-6)
133396-01 Dedicated Terminal Board
Electrical Parameters: 2.5kV AC (1 minute) isolation between channels, supporting sensor signal filtering and matching
Mechanical Parameters: Dimensions 100mm×80mm×20mm, weight approximately 100g
Terminal Configuration: 12-position spring-loaded crimp terminals (compatible with 16-22 AWG wires)
Mounting Adaptation: Side-mounted on 3500 system frame, with sensor wiring identification
Overall Mechanical Parameters
Module Dimensions: 40mm (W) × 160mm (H) × 220mm (D)
Module Weight: Approximately 500g
Mounting Method: 3500 system frame standard slot mounting
Protection Class: IP20 (module itself)
Housing Material: Flame-retardant aluminum alloy (UL 94 V-0 grade)

Product Performance

The kit adopts 24-bit high-precision A/D conversion chip and digital phase-locked loop technology, with speed measurement error ≤0.01% and resolution up to 0.01rpm at 1000rpm, enabling accurate capture of minor speed fluctuations. It supports 4-channel synchronous sampling, with keyphasor pulse trigger delay ≤1μs, providing accurate time reference for vibration phase analysis.

Integrated with three-level overspeed protection logic (warning/alarm/trip), overspeed response time ≤5ms, trip thresholds can be configured online via System 1 software, supporting speed change rate monitoring (≥100rpm/s triggers alarm). Data transmission delay with 3500 system main controller is ≤3ms, supporting fault recording (recording 10-second speed curve before trip).

Channel-level 2.5kV AC isolation design combined with terminal board filtering circuit provides common mode rejection ratio ≥100dB, effectively resisting electromagnetic interference and ground loops in industrial sites. Wide temperature adaptability and reinforced structure design ensure overall mean time between failures (MTBF) ≥300,000 hours, fully adapting to the speed safety monitoring needs of key rotating equipment.

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