Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | 3500/40M 140734-01 |
| Manufacturer | Bently Nevada |
| Product category | Machinery Protection System Communication Gateway |
| Communication ports | 2× Ethernet (10/100BASE-T), 1× RS-485, 1× USB service port |
| Supported protocols | Modbus TCP/IP, OPC DA, Bently Nevada proprietary protocol |
| Data transfer rate | Up to 100 Mbps |
| Maximum connected nodes | 32 devices in distributed monitoring configurations |
| Operating voltage | 5 VDC, ±15 VDC (from 3500 system power supply) |
| Power consumption | 7 W typical, 9 W maximum |
| Operating temperature | 0°C to +60°C (32°F to +140°F) |
| Form factor | 3500 system rack mount (1 slot width) |
| Dimensions | 133 mm (H) × 36 mm (W) × 229 mm (D) (5.2″ × 1.4″ × 9.0″) |
| Protection features | Network isolation, surge protection, redundant communication support |
| Compatibility | 3500/60 163179-01 displays, 176449-01 cables, all 3500 monitors |
| Certification | UL, CE, RoHS compliant, IEC 61010-1 approved |
BENTLY 3500/40M 140734-01
Product introduction
The 3500/40M 140734-01 from Bently Nevada is a specialized communication gateway designed as the primary data distribution hub for 3500 Machinery Protection Systems. This rack-mount module serves as the critical connectivity bridge between machinery protection sensors, monitoring modules, and both local and remote visualization systems like the 3500/60 163179-01 display module. Bently Nevada’s 3500/40M 140734-01 aggregates critical machinery health data from sensors connected via 176449-01 cables and other field devices, then distributes this information across the enterprise using industry-standard protocols.
Bently Nevada’s 3500/40M 140734-01 addresses the modern industrial need for seamless data flow between protection systems and broader automation architectures. Its robust protocol support ensures that vibration, temperature, and position data can be accessed by both specialized machinery health applications and general-purpose control systems. By enabling reliable communication between field devices and visualization tools like the 3500/60 163179-01, this module ensures that critical machinery health information is available to the right stakeholders at the right time, supporting both immediate operational decisions and long-term maintenance planning.
Core advantages and technical highlights
Dual-protocol communication: The 3500/40M 140734-01 supports both Modbus TCP/IP for integration with SCADA and DCS systems and OPC DA for connection to asset management software, providing flexible data distribution options. This dual-protocol capability eliminates the need for additional protocol converters, simplifying system architecture while ensuring compatibility with diverse industrial automation environments.
Redundant network architecture: Featuring two independent Ethernet ports with automatic failover capability, the 3500/40M 140734-01 ensures uninterrupted data transmission even during network outages. This redundancy is critical for maintaining continuous visibility of machinery health status, ensuring that protection system data reaches 3500/60 163179-01 displays and remote monitoring systems regardless of primary network conditions.
Efficient data prioritization: The module implements intelligent data filtering and prioritization, ensuring that time-sensitive protection data (such as alarm conditions) is transmitted with higher priority than historical trending information. This selective data handling optimizes network bandwidth usage while guaranteeing that critical alerts reach operators via 3500/60 163179-01 displays without delay.
Seamless system scalability: Designed to support up to 32 connected monitoring nodes, the 3500/40M 140734-01 enables easy system expansion from single-machine monitoring to plant-wide machinery protection networks. Its RS-485 port supports daisy-chain connections for distributed I/O, while Ethernet capabilities facilitate star-topology networking, providing flexible deployment options for growing industrial facilities.
Typical application scenarios
In large power generation complexes, the 3500/40M 140734-01 serves as the central communication node for multiple turbine and generator protection systems. It collects vibration, temperature, and position data from sensors connected via 176449-01 cables across several units, then distributes this information to local 3500/60 163179-01 displays for operator visibility and to plant historians via Modbus TCP/IP for long-term analysis. This architecture ensures that both real-time protection and historical performance trending are supported simultaneously.
Oil and gas production facilities utilize the 3500/40M 140734-01 to integrate compressor train monitoring systems with centralized control rooms. The module connects to multiple 3500/70M monitors spread across remote compressor stations, aggregating critical machinery data and transmitting it to both local 3500/60 163179-01 displays and central SCADA systems. Its redundant Ethernet ports ensure continuous communication even in remote locations with challenging network conditions.
Manufacturing plants deploy the 3500/40M 140734-01 to connect diverse machinery protection systems across production lines. The module consolidates data from pumps, motors, and gearboxes, making this information available to maintenance teams via 3500/60 163179-01 displays on the plant floor and to production management systems through OPC DA connections. This integration supports both machinery protection and production optimization initiatives within the facility.
BENTLY 3500/40M 140734-01
Related model recommendations
3500/60 163179-01: Display module that visualizes data distributed by the 3500/40M 140734-01.
176449-01: Seismic sensor cable providing input data to systems connected through 3500/40M 140734-01.
3500/70M: Reciprocating machinery monitor whose data is aggregated by 3500/40M 140734-01.
3500/22M: Power supply module that provides operating power to the 3500/40M 140734-01.
3500/15: Relay module whose status information is transmitted via 3500/40M 140734-01.
125720-01: Temperature transmitter whose measurements are distributed by 3500/40M 140734-01.
3500/34: Advanced communication module that can complement 3500/40M 140734-01 in large systems.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing the 3500/40M 140734-01, verify compatibility with existing 3500 system components and ensure the 3500/20 rack has an available slot. Confirm the system power supply can accommodate the additional load. Gather required tools including a torque screwdriver, network cable tester, and laptop with 3500 configuration software. Inspect the module for shipping damage, particularly checking Ethernet ports and backplane connectors. Plan network topology in advance, especially for redundant configurations requiring separate switch paths to 3500/60 163179-01 displays.
Maintenance suggestions: Include the 3500/40M 140734-01 in quarterly network system checks, verifying status LEDs indicate normal operation and checking network link integrity. Review communication logs periodically to identify potential issues like packet loss or connection interruptions. Test redundant failover functionality semi-annually by disconnecting primary network connections and confirming automatic switchover to secondary paths. Keep firmware updated to the latest version during scheduled maintenance windows. Clean ventilation openings regularly to prevent overheating and ensure reliable operation.
Service and guarantee commitment
Bently Nevada provides the 3500/40M 140734-01 with a 36-month warranty covering manufacturing defects and performance issues under normal operating conditions, including communication reliability, protocol functionality, and mechanical integrity. Our technical support team offers expert guidance on network configuration, protocol implementation, and integration with 3500/60 163179-01 displays, 176449-01 cables, and other system components.
We offer specialized training on communication gateway operation, network redundancy, and troubleshooting techniques specific to the 3500/40M 140734-01. Beyond the warranty period, our service agreements include technical support, firmware updates, and expedited replacement services to minimize downtime. Bently Nevada’s commitment to quality ensures reliable performance throughout its operational lifecycle, backed by our global network of service professionals.
