Introduction
The assembly 3500/72M 176449-08 is a Programmable Monitoring Module and its associated Universal Input Card for the Bently Nevada 3500 Machinery Protection System. The 3500/72M is a highly versatile, modular monitor chassis designed to handle a wide array of transducer inputs for custom or complex monitoring applications. Paired with the 176449-08 input card, this assembly is specifically configured to interface with 4-20 mA DC transmitters. This setup allows the 3500 system to monitor any process parameter that can be represented by a 4-20 mA signal, such as pressure, temperature, flow, or customized vibration values, providing immense flexibility for comprehensive asset protection.
Parameters / Specifications
The following table outlines the key technical parameters for this monitoring assembly.
| Parameter | Specification |
|---|---|
| Assembly Designation | 3500/72M (Monitor) & 176449-08 (Input Card) |
| Description | Programmable Monitor with 4-20 mA Input Card |
| Monitor: 3500/72M | |
| Physical Dimensions (H x W x D) | Approx. 190 mm x 40 mm x 120 mm (Standard 3500 Series frame slot) |
| Weight (Monitor) | Approx. 0.5 kg (1.1 lb) |
| Primary Function | Programmable Monitor for Custom & Process Parameters |
| Input Channels | Configurable (e.g., 4 or 8 channels) based on installed input cards |
| Power Supply | Powered by the 3500 rack |
| Operating Temperature | 0°C to +65°C (32°F to 149°F) |
| Input Card: 176449-08 | |
| Description | 4-20 mA DC Input Card |
| Compatible Inputs | 2-Wire or 4-Wire 4-20 mA DC Transmitters |
| Measurement | Process Variables (Pressure, Temperature, Flow, Level, Custom Vibration) |
| Input Impedance | Typically 250 Ohms (or other value as defined by the -08 configuration) |
| Power for 2-Wire Transmitters | Loop power provided (configuration dependent) |
| Total Assembly Weight | Approx. 0.6 kg (1.32 lb) |
*Note: The specific configuration, including the number of active channels, engineering units, scaling, and alarm setpoints, is defined by the system's software setup. The 176449-08 card is specifically designed to interface with industry-standard 4-20 mA transmitters.*
Application Scenarios
This highly flexible monitoring assembly is used for a wide range of applications beyond traditional vibration and position monitoring.
Process Parameter Monitoring:
Used to monitor critical process values such as bearing oil pressure, coolant flow, filter differential pressure, or process gas temperature, integrating them directly into the machinery protection system for correlated alarm and shutdown logic.
Temperature Monitoring via RTD/TC Transmitters:
Interfaces with 4-20 mA temperature transmitters that are connected to RTDs or Thermocouples on bearings, motors, or process lines, providing a reliable and noise-immune signal to the 3500 system.
Custom Vibration and Integration:
Can accept a 4-20 mA signal from third-party or specialized vibration transmitters (e.g., from other manufacturer's systems or for unique measurement points), allowing for integration into the centralized 3500 platform.
Auxiliary System Monitoring:
Monitors the health of auxiliary systems, such as lube oil console pressure, seal gas differential pressure, or hydraulic unit reservoir level, ensuring that support systems are functioning correctly to protect the main machine.
Plant-Wide Asset Monitoring:
Deployed to provide a unified monitoring solution for less critical but numerous assets by bringing various 4-20 mA based condition and process signals into the powerful 3500 framework for alarm management and data historization.
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
Why do so many customers choose us?
On the basis of the same quality, we provide:
- More competitive price system
- Faster logistics response
- More complete technical support (free product technical documentation)
Your trust is the driving force for our continuous progress, submit your requirements immediately to get exclusive quotes
