Transform your home with the latest multi-electronics solutions, from intelligent lighting to vOptimize your operations with the Bently Nevada 3500 Monitoring System, offering real-time vibration and machinery condition monitoring to prevent failures and maximize uptime.oice-controlled devices all designed to make life easier, safer, and more connected.
SKU:3500/50M-01-00
Bently Nevada 3500/50M-01-00 Tachometer Module | 286566-02
Manufacturer: Bently Nevada
Product No.: 3500/50M-01-00
Product Type: Tachometer Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 820g
Shipping port: Xiamen
Warranty: 12 months
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Description
Product Overview
The Bently Nevada 3500/50M-01-00 286566-02 is a dual-channel tachometer module for 3500 monitoring systems. It measures speed, zero speed, and rotor acceleration on turbines, compressors, and pumps using proximity probes or magnetic pickups.
Technical Configuration
3500/50M – Tachometer Module.
-01 – I/O module with internal terminations.
-00 – No agency approval.
Accepts up to two transducer inputs. Supports 1 to 255 events per revolution, max full scale 99,999 rpm, max input frequency 20 kHz.
Technical Specifications
| Input Signal Range | +10.0 V to -24.0 V |
| Input Impedance | 20 kΩ (standard) / 40 kΩ (TMR) / 7.15 kΩ (Internal Barrier) |
| Transducer Supply | 24 Vdc, 40 mA max per channel |
| Max Input Frequency | 20 kHz |
| Max Full Scale RPM | 99,999 rpm |
| RPM Accuracy (<100 rpm) | ±0.1 rpm |
| RPM Accuracy (100-10,000 rpm) | ±1 rpm |
| RPM Accuracy (10,000-99,999 rpm) | ±0.01% of true speed |
| RPM/Min Accuracy | ±20 rpm/min |
| Recorder Output | +4 to +20 mA, 0 to 600 Ω load |
| Resolution | 0.3662 µA/bit ±0.25% (room temp) |
| Power Consumption | 5.8 W typical |
| Dimensions (HxWxD) | 241.3 x 24.4 x 241.8 mm (9.50 x 0.96 x 9.52 in) |
| Weight | 0.82 kg (1.8 lb) |
| Rack Space | 1 full-height front slot |
Installation Guide
Mount in any full-height front slot of a 3500 rack. For proximity probes, set the Auto Threshold for inputs above 0.0167 Hz. For magnetic pickups, minimum input frequency is 3.3 Hz. Manual threshold adjustable from +9.5 Vdc to -23.5 Vdc with 500 mV peak-to-peak minimum amplitude. Use shielded cables for field wiring.
Engineering Advantages
High accuracy across the full speed range (±0.01% above 10,000 rpm). Dual-channel input with independent recorder outputs. Short-circuit protected buffered transducer outputs on front coaxial connectors. Supports advanced rotor acceleration and zero speed detection with programmable alarm delays (1-60 sec).
Technical FAQs
Q1: What transducers are compatible?
A1: Accepts up to two proximity probe transducers or passive magnetic pickups. For magnetic pickups, the minimum input frequency is 3.3 Hz.
Q2: How to set the trigger threshold?
A2: Use Auto Threshold for signals above 0.0167 Hz (1 rpm at 1 event/rev). Manual threshold adjustable from +9.5 Vdc to -23.5 Vdc with minimum 500 mV peak-to-peak amplitude.
Q3: What are the firmware requirements for integration?
A3: Requires 3500/22M Firmware Rev 1.70, Configuration Software v4.20+, Data Acquisition v2.52+, and 3500/50M Firmware Rev 5.30+. Not compatible with 3500/20 racks.
Additional Specifications
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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