Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/94 |
| Spare Model | 145988-01 |
| Brand | Bently Nevada |
| Product Type | Display Router / VGA Display Module |
| System | Bently Nevada 3500 Machinery Protection System |
| I/O Function | VGA display interface |
| Maximum Display Distance | Up to 8 m (25 ft) |
| Power Consumption | 4.6 W maximum |
| Origin | USA |
| Weight | 0.55 kg |
| Dimensions | 24.3 x 4.6 x 15.5 cm estimated shipping size |
| Operating Temp | -30 deg C to +65 deg C (-22 deg F to +150 deg F) |
| Storage Temp | -40 deg C to +85 deg C (-40 deg F to +185 deg F) |
| Humidity | 95%, noncondensing |
| Manufacturer Status | Discontinued by manufacturer |
3500 Series Display Interface Characteristics
The 3500/94 operates as a display-related I/O module within the 3500 system. It provides the physical interface required for VGA display connectivity and supports a stated maximum connection distance of 8 m (25 ft). Therefore, installation should maintain the specified display connection distance and avoid unnecessary cable routing extensions.
The module has a maximum power consumption of 4.6 W. Consequently, the rack power budget must account for this load when multiple modules operate simultaneously.
For Bently Nevada machinery monitoring systems, display data can represent vibration, position, alarm, and machine-status information generated by the installed monitoring modules. The 3500/94 itself should therefore be treated as a display interface component rather than a primary vibration measurement channel.
Frequently Asked Questions
Q: What is the primary function of the Bently Nevada 3500/94?
A: The 3500/94 functions as a VGA display module and provides the display interface for the 3500 Machinery Protection System.
Q: What is the maximum stated display connection distance?
A: The supplied specification states a maximum mounting or connection distance of up to 8 m (25 ft).
Q: What is the maximum power consumption?
A: The specified maximum power consumption is 4.6 W.
Field Installation Guidelines
- Install the 3500/94 in the designated 3500 rack position according to the applicable rack installation documentation.
- Verify that the rack power budget can accommodate the module’s maximum 4.6 W consumption.
- Route VGA and associated signal cables separately from high-current power conductors where practical.
- Keep the display connection within the stated 8 m (25 ft) maximum distance.
- Avoid sharp cable bends, excessive mechanical tension, and unsupported cable weight at the module connector.
- Use proper cable shielding and grounding practices to reduce susceptibility to electrical interference.
- Verify rack grounding and protective bonding before connecting external display equipment.
- Confirm that the installation environment remains within -30 deg C to +65 deg C and 95% noncondensing humidity.
- Because the manufacturer has discontinued the module, verify system compatibility and replacement requirements before field installation.


















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