BENTLY 3500/22M 138607-01 Monitoring module

Bently 3500/22M 138607-01 is a monitoring module for mechanical protection systems manufactured by Bently Nevada. The detailed information is as follows:

1. Basic Information

Model: 3500/22M
Part Number: 138607-01
Brand/Manufacturer: Bently Nevada (now under Baker Hughes)
Module Type: Speed/Keyphasor Module
Applicable System: Bently Nevada 3500 Series Mechanical Protection System

2. Key Functions

Speed Measurement: Receives pulse signals from magnetoelectric sensors (e.g., 3300 XL 8mm probes) or photoelectric sensors. The measurement range is 0 to 30,000 RPM, with an accuracy of ±1 RPM.
Keyphasing Function: Provides a pulse signal per revolution, used for phase reference and vibration analysis.
Alarm Output: Programmable over-speed or under-speed alarms with relay outputs (normally open/normally closed).

3. Electrical Characteristics

Input Channels: 1 speed input channel + 1 keyphasor signal input channel; input impedance ≥ 50 kΩ.
Output Signals: 2 relay outputs (Alarm 1/Alarm 2) with a contact rating of 30V DC/2A; optional 4-20mA or 0-10V analog output.
Power Requirements: Operating voltage is +24V DC (±10%); typical power consumption ≤ 5W.

4. Environmental Adaptability

Operating Temperature: -30°C to +65°C
Protection Rating: IP20
Vibration/Shock Resistance: Complies with API 670 standard

5. Mechanical Parameters

Dimensions: Approximately 80mm × 120mm × 30mm
Mounting Method: DIN rail mounting with pluggable terminals

6. Communication & Configuration

System Integration: Communicates with the Bently Nevada 3500/Rack via the 3500 frame interface; supports Modbus RTU or TCP/IP (requires a communication module such as 3500/92 for configuration).
Configuration Tool: Parameter setting is performed using Bently Nevada System 1 or 3500 Configuration Software.

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