Introduction to the 3500/94M-05-00-00
When machinery health monitoring demands clear, real-time visualization, the 3500/94M-05-00-00 from Bently Nevada delivers. This VGA Display Module is engineered for industrial environments where operators need to quickly assess vibration, temperature, and other critical parameters. It is part of the 3500 series, designed for seamless integration with Bently Nevada monitoring systems.
The module features a 15-inch display with a 19-inch rack mount, making it suitable for standard control cabinets. Its compact dimensions—241.3 mm x 24.4 mm x 241.8 mm—allow efficient use of rack space, requiring only one full-height front slot. The display is industrial-hardened, ensuring reliable operation in demanding conditions.

Key Features and Technical Specifications
The 3500/94M-05-00-00 is built to provide accurate and reliable visual output. Below are its core specifications:
- Display Size: 15 inches diagonal, 19-inch rack mount.
- Power Consumption: 4.6 watts max, ensuring energy efficiency.
- Operating Temperature: -20°C to 65°C (-22°F to 149°F), suitable for harsh environments.
- Storage Temperature: -40°C to 85°C (-40°F to 185°F).
- Humidity: 95% non-condensing, resistant to moisture.
- VGA Port: Analog red, green, blue, and sync signals to the display.
- RS232 Port: For touch controller data.
- OK LED: Indicates proper module operation.
- TX/RX LED: Indicates communication between system modules.
The display module includes a front port providing 24 VDC power out, VGA signal out, and touch commands in. The I/O module dimensions are 241.3 mm x 24.4 mm x 99.1 mm, and the entire assembly weighs 1.07 kg, making it lightweight and easy to install.
Applications and Use Cases
The 3500/94M-05-00-00 is ideal for continuous process industries such as oil and gas, power generation, and petrochemical plants. In these settings, operators rely on real-time data to monitor rotating machinery like turbines, compressors, and pumps. The module's high-speed network capability allows it to display monitor status, data, and values directly from the 3500 monitoring system.
For example, in a compressor station, the display provides a clear view of vibration trends, enabling early detection of bearing wear. This proactive approach reduces unplanned downtime and maintenance costs. Additionally, the module's touch interface simplifies navigation through system screens, improving operator efficiency.

Installation and Setup
Installing the 3500/94M-05-00-00 is straightforward. The monitor module occupies one full-height front slot in a 19-inch rack, while the I/O module uses one full-height rear slot. The KVM extender, if used, mounts on the shelf top and requires 12 VDC and 5 VDC power inputs.
Ensure the rack has adequate ventilation to maintain operating temperatures within the specified range. Connect the VGA cable from the I/O module to the display, and the RS232 cable for touch control. The front port provides 24 VDC power out, simplifying wiring. After mounting, power up the system and verify the OK LED illuminates, indicating proper operation.
Maintenance and Reliability
Regular inspection of the 3500/94M-05-00-00 ensures long-term reliability. Check the display for any physical damage and ensure the front bezel is clean. The module is designed for low maintenance, but periodic verification of connections and firmware updates is recommended. The display's LED backlight has a long lifespan, reducing replacement frequency.
Environmental factors such as humidity and temperature are within specified limits, so the module can operate in most industrial settings. For optimal performance, keep the rack area free of dust and debris. If issues arise, consult the Bently Nevada manual for troubleshooting steps.
Compatibility and Integration
The 3500/94M-05-00-00 requires the 3500/22 Transient Data Interface (TDI) module for operation. It also needs specific firmware versions: 3500/94M firmware 4.06 Rev. C, 3500/22 firmware Rev 1.71, and compatible software versions for rack configuration, operation display, and data acquisition. This ensures seamless communication with the 3500 monitoring system.
The module complies with FCC Part 15, EMC standards EN 61000-6-2 and EN 61000-6-4, and electrical safety standards CSA C22.2 61010-1 and UL EN 61010-1. It also meets RoHS Directive 2011/65/EU, making it environmentally compliant.
Common Issues and Troubleshooting
If the display does not power on, check the 24 VDC power supply and connections. Verify the OK LED is lit; if not, the module may need reseating. For communication issues, ensure the RS232 and VGA cables are securely connected. The TX/RX LED indicates data transfer; if it is off, check the network connection to the TDI module.
If the touch screen is unresponsive, recalibrate it via the software. For persistent problems, contact AutoDCSTech for technical support. Regular firmware updates can prevent many software-related issues.
Product Support and Availability
The 3500/94M-05-00-00 is available from AutoDCSTech. We ensure genuine parts and fast delivery. Contact our team for availability and lifecycle status. We are committed to supporting your industrial automation needs.
Availability & Condition at AutoDCSTech
| Part Number | 3500/94M-05-00-00 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
