Product Description
Product Details
Manufacturer: Bently Nevada
Series: 3500/25
Model/Part Number: 3500/25-02-03-RU
Model Type: Internal Barrier I/O Module
Description
The 3500/25 Enhanced Keyphasor Module is a half-height, two-channel module designed to provide Keyphasor signals to the monitor modules in a 3500 rack. The module receives input signals from proximity probes or magnetic pickups and converts them into digital Keyphasor signals that identify the exact position of the Keyphasor mark on the rotating shaft. The 3500 Machinery Protection System can handle up to four Keyphasor signals in a normal configuration, or up to eight signals in a paired configuration.
Specifications
Inputs
- Power Consumption: 3.2 Watts (typical)
-
Signal:
- Each Keyphasor Module can accept up to two transducer signals from proximity probe transducers or magnetic pickups.
-
Input Signal Range:
- Non-Isolated I/O Modules: +0.8V to -21.0V
- Isolated I/O Modules: +5V to -11V
- Signals exceeding the input range are limited internally by the module.
- Minimum Rotational Speed for passive magnetic pickups: 200 rpm (3.3 Hz).
- Input Impedance: 21.8 kΩ minimum
Environmental Limits
| Parameter | Range |
|---|---|
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) when used with Keyphasor I/O Module other than the Internal Barrier version. |
| 0°C to +65°C (32°F to +150°F) when used with Keyphasor Internal Barrier I/O Module (Internal Termination). | |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
Physical Specifications
| Component | Dimensions (H x W x D) | Weight |
|---|---|---|
| Keyphasor Module | 241.3 mm x 24.4 mm x 103.1 mm | 0.46 kg (1.01 lbs) |
| (9.50 in x 0.96 in x 4.06 in) |
Rack Space Requirement
- 1 full-height rear slot
Ordering Information
The part number format for the 3500/25 Enhanced Keyphasor Module is 3500/25-AA-BB-CC.
Field Breakdown:
-
A: Number of Channels
- 01: Single half-height 2-channel Keyphasor card (order for 2 channels)
- 02: Two half-height 2-channel Keyphasor cards (order for 4 channels)
-
B: Type of I/O Module
- 01: I/O module with Internal Terminations
- 02: I/O module with External Terminations
- 03: Internal Barrier I/O with Internal Terminations
- 04: Isolated I/O module with Internal Terminations (designed for use with magnetic pickups)
- 05: Isolated I/O module with External Terminations (designed for use with magnetic pickups)
-
C: Agency Approval Option
- 00: Not required
- 01: cNRTLus (Class 1, Div 2)
- 02: ATEX/IECEx/CSA (Class 1 Zone 2)
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