Description
Product Overview
The Bently Nevada 3500/94 147663-01 is a VGA Display I/O module belonging to the Bently Nevada 3500 Machinery Protection System. It works as the interface between the 3500/94 VGA display module and an external industrial display, allowing operators to view rack status, alarm information, module data, channel measurements, and other machinery-protection information through a color VGA monitor with touch-screen capability. Bently Nevada documentation specifically lists 147663-01 as the 3500/94 I/O module, while 145988-01 is the associated 3500/94 main module.
The 3500/94 147663-01 is not a conventional PLC I/O card or communication gateway; its principal role is display interfacing within the 3500 machinery protection architecture. The Bently Nevada 3500/94 147663-01 enables operators to access the 3500 rack’s System Event List, Alarm Event List, individual module/channel information, current alarms, and an API-670-style rack display. With standard cabling, the display can be installed remotely from the rack, making the 3500/94 147663-01 useful for centralized machinery monitoring and operator stations.
Technical Specifications
| Parameter | Specification |
| Product Model | 3500/94 147663-01 |
| Manufacturer | Bently Nevada |
| Product Family | 3500 Machinery Protection System |
| Product Type | VGA Display I/O Module |
| Main Function | Display interface for 3500/94 VGA Display |
| Display Interface | VGA |
| Touch Interface | Serial touch-screen interface |
| Rack Integration | 3500 Series rack |
| Display Data | System events, alarms, module/channel data, rack status |
| Rack View | 3300-style / API-670-style display |
| Custom Displays | Up to 9 configurable custom screens |
| Power | +24 VDC nominal; approximately 4.7 W maximum for the I/O module |
| Mounting | Rear-panel I/O position in 3500 rack |
| Standard Display Distance | Up to approximately 8 m / 25 ft |
| Extended Distance | Up to approximately 305 m / 1000 ft using KVM extender |
| Associated Main Module | 145988-01 |
| Associated Display | FPM-8151 / RS Power Station options, configuration-dependent |
The original Bently Nevada documentation lists 147663-01 specifically as the 3500/94 I/O module and identifies 145988-01 as the main module. It also lists VGA extension cables, serial touch cables, display-router equipment, and compatible industrial displays as associated accessories.
Main Features and Advantages
Dedicated 3500 display interface
The 3500/94 147663-01 is specifically designed for the 3500/94 VGA Display system. It provides the physical interface required to transfer machinery-protection information from the 3500 rack to the operator display rather than performing primary vibration or protection measurement itself.

147663-01
Comprehensive machinery information display
When used with the complete 3500/94 system, operators can view the System Event List, Alarm Event List, module and channel data, current alarms, and rack-level information. An API-670-oriented rack view can present channel values and equipment status in a format familiar to machinery-protection personnel.
Touch-screen operator interaction
The 3500/94 architecture uses a standard color VGA monitor with touch-screen technology. The I/O module provides the necessary display and touch-data interface, allowing operators to navigate monitoring screens without requiring a separate dedicated workstation.
Remote display installation
Standard cabling allows the display to be positioned away from the 3500 rack. For installations requiring substantially greater separation, the 3500/94 ecosystem supports KVM extender options with cable lengths up to approximately 305 m. This is useful when machinery-monitoring equipment is installed in a control room separate from the machinery protection rack.
Configurable operator screens
The display system allows users to configure custom screens locally. Different screens can be arranged around 1X vibration measurements, gap values, rack information, alarm conditions, or machine-train groupings, making the system adaptable to different monitoring requirements.
Strong legacy-system maintenance value
The Bently Nevada 3500/94 147663-01 is particularly relevant when maintaining established 3500 machinery-protection installations. Because the I/O module, main module, display, cables, and display-router components have defined part numbers, matching the exact spare number is important when restoring an existing operator-display system.
Application Fields
The Bently Nevada 3500/94 147663-01 is primarily used in rotating-machinery monitoring installations based on the Bently Nevada 3500 Machinery Protection System. Typical protected equipment includes steam turbines, gas turbines, compressors, pumps, generators, motors, and other critical rotating machinery where continuous vibration and machinery-status information must be available to operators.
In power plants, the 3500/94 147663-01 can be incorporated into turbine-generator machinery protection systems, providing a local or remote visual interface for vibration channels, alarms, rack status, and protection events. Operators can use the associated display to quickly identify abnormal conditions and review current alarm information.
In oil and gas facilities, the module is applicable to compressor trains, centrifugal machinery, pumps, and other critical rotating assets. The ability to place the display remotely from the 3500 rack can be particularly useful when the protection rack is located close to machinery while the operator interface is installed in a control room.
Chemical, petrochemical, steel, paper, and other process industries can similarly use the 3500/94 147663-01 as part of a centralized machinery-monitoring arrangement. Its purpose is complementary to PLC, DCS, and SCADA systems: the 3500 system provides dedicated machinery protection and condition information, while the VGA display provides operators with direct access to that information.
For maintenance and retrofit projects, the 147663-01 is valuable when an existing 3500/94 display system needs replacement. The original system documentation identifies the I/O module, main module, display, extension cables, touch cable, and display-router components separately, so the exact part number should be verified before procurement.
Related Products
- 145988-01– Bently Nevada 3500/94 main module; works with the 147663-01 I/O module as the primary 3500/94 display interface.
- 3500/94– Complete VGA Display system for displaying 3500 Machinery Protection System information on an industrial color VGA/touch display.
- 148637-01– VGA extension cable, 20-foot option for connecting the 3500/94 system to a remote display.
- 148638-01– Serial touch cable, 25-foot option for the touch-screen interface.
- 148653-01– RS Power Station, Class 1 Division 2 option for hazardous-area-oriented display installations.
- 148654-01– Spare display option associated with the RS Power Station configuration.
- 149356-01– Display Router Box for distributing/connecting 3500/94 display information in applicable installations.
- 161264-01– Industrial DC supply associated with certain 3500/94 display-router/RS Power Station configurations.
- 102M8950– FPM-8151 industrial display option listed as a compatible 3500/94 display accessory.
- 3500/94M– Later 3500 display-related platform with different hardware/software requirements; it should not be assumed to be a direct drop-in replacement for 147663-01 without configuration verification.
