3500/50M-01-01 Tachometer Module | Bently Nevada

Bently Nevada 3500/50M-01-01 Tachometer Module

Key Technical Specifications

• Brand & Model: Bently Nevada 3500/50M-01-01 Tachometer Module.
• I/O Module Type: 01 = Internal terminations for easy wiring.
• Agency Approval: 01 = cNRTLus (Class 1, Division 2).
• Power Consumption: 5.8 watts typical per module.
• Transducer Power Supply: 24 Vdc, 40 mA maximum per channel.
• Input Signal Range: +10.0 V to -24.0 V (internal limiting protects module).
• Input Impedance: 20 kΩ standard, 40 kΩ (TMR), 7.15 kΩ (Internal Barrier).
• Maximum Input Frequency: 20 kHz for all channel types.
• Minimum Input Frequency (Proximity): 0.0167 Hz (1 rpm at 1 event/rev).
• Minimum Input Frequency (Magnetic Pickup): 3.3 Hz.
• RPM Accuracy: Less than 100 rpm = ±0.1 rpm; 100-10,000 rpm = ±1 rpm; 10k-99,999 rpm = ±0.01% of true speed.
• RPM/Min Accuracy: ±20 rpm/min for acceleration measurement.
• Supported Events Per Revolution: 1 to 255 for Rotor Acceleration and Zero Speed types.
• Other Channel Types Events: 0.0039 to 255 events per revolution.

Front Panel Indicators & Communication

• OK LED: Indicates proper operation of 3500/50M-01-01 module.
• TX/RX LED: Shows communication with other modules in 3500 rack.
• Bypass LED: Lights when module operates in Bypass Mode.
• Speed Input Range: Supports 0.0039 to 255 events per revolution for most channel types.
• Maximum RPM: 99,999 rpm full scale for high-speed turbines and compressors.

Firmware & Software Compatibility Requirements

• 3500/22M Module Firmware Revision 1.70 or later required.
• 3500/01 Configuration Software Version 4.20 or later.
• 3500/02 Data Acquisition Software Version 2.52 or later.
• 3500/03 Display Software Version 1.52 or later.
• 3500/50M Firmware Revision 5.30 or later mandatory.
• Module 3500/50M-01-01 is not compatible with any version of 3500/20.
• Verify system versions before adding to existing 3500 Monitoring System.

Physical Dimensions & Rack Space

• Monitor Module Size: 241.3 mm x 24.4 mm x 241.8 mm (9.50 x 0.96 x 9.52 in).
• Monitor Module Weight: 0.82 kg (1.8 lb).
• I/O Module (non-barrier) Size: 241.3 mm x 24.4 mm x 99.1 mm (9.50 x 0.96 x 3.90 in).
• I/O Module (non-barrier) Weight: 0.20 kg (0.44 lb).
• I/O Module (internal barrier) Size: 241.3 mm x 24.4 mm x 163.1 mm (9.50 x 0.96 x 6.42 in).
• I/O Module (internal barrier) Weight: 0.46 kg (1.01 lb).
• Rack Space: Monitor module uses 1 full-height front slot; I/O module uses 1 full-height rear slot.

Frequently Asked Questions (FAQ)

• Do you have this tachometer module in stock?
  Yes, we keep the 3500/50M-01-01 in stock for immediate orders.
• What is your typical shipping time?
  We dispatch within 5 business days after order confirmation.
• Which carriers do you use?
  We ship via FedEx, UPS, or DHL with full insurance.
• Can I return the module if not satisfied?
  We support returns within 30 days from delivery date.
• What transducers work with this module?
  Proximity probes or magnetic pickups with signal range +10V to -24V.
• What is the minimum RPM for magnetic pickup inputs?
  Minimum input frequency is 3.3 Hz (about 198 rpm with 1 event/rev).
• Does this module support zero speed detection?
  Yes, Zero Speed channel types support 1 to 255 events per revolution.
• What is the RPM accuracy at high speeds?
  ±0.01% of true shaft speed from 10,000 to 99,999 rpm.
• Is the module compatible with 3500/20 rack?
  No, 3500/50M-01-01 does not work with any version of 3500/20.

Contact & Support

• For inquiries or purchase requests, please contact our sales team.
• Email: sales@nex-auto.com (click to send message).
• WhatsApp: +86 153 9242 9628 (click to chat).
• We provide technical support and documentation for 3500/50M-01-01.

Partner NexAuto Technology Limited : https://www.nex-auto.com/