
Bently Nevada 3500/33 149986-01 16-Channel Relay Module
The 3500/33 16-Channel Relay Module is a full-height modulethat provides 16 relay outputs. You can place any number of16-channel relay modules in any of the slots to the right of theTransient Data Interface (TDI) Module.Each output of the 3500/33 16-Channel Relay Module can beindependently programmed to perform voting logic.Each relay of the module includes Alarm Drive Logic.Programming for the Alarm Drive Logic uses AND and OR logicand may use the following:
- Alarming inputs (alert and danger statuses)
- Not-OK
- Individual Measured Variables from any monitorchannel or any combination of monitor channels in therack
Specifications

Model: Bently Nevada 3500/33 149986-01
Type: 16-Channel Relay Module
Compatibility: Fully compatible with Bently Nevada 3500 Series Machinery Protection System
Input Voltage: Typically operates at 24V DC, with tolerance for slight fluctuations
Relay Type: SPDT (Single Pole Double Throw) relays for each channel
Relay Rating: 2A at 250V AC or 30V DC
Relay Channels: 16 independent channels, each with individual relay status
Status Indicators: LED indicators for each channel
Operating Temperature: -40°C to +85°C (-40°F to 185°F)
Storage Temperature: -40°C to +85°C (-40°F to 185°F)
Mounting: Designed for easy rack or panel mounting
3500/33 149986-01 Ordering Considerations
- The 3500 Rack Config, version 3.3 or later, is required for the 16-Channel Relay Module.
- The 3500 Data Acquisition Software, version 2.40 or later, is required for the 16-Channel Relay Module.
- The 3500 Data Display Software, version 1.40 or later, is required for the 16-Channel Relay Module.
- If the 16-Channel Relay Module is part of functional safety (SIL) system, the restricted voltage is required by the functional safety certificate. For functional safety (SIL) systems, higher voltages are not permitted.
FAQs
Q: How many relays can I configure on each channel?
A: Each of the 16 channels is independently configurable, meaning you can assign specific relay actions for control or alarm purposes. Each relay can be set to perform either normally open (NO) or normally closed (NC) operations depending on your system's requirements.
Q: Can this module be used in extreme temperature environments?
A: Yes, the Bently Nevada 3500/33 149986-01 Relay Module operates in a wide temperature range of -40°C to +85°C, making it suitable for use in most industrial environments, including extreme temperature conditions.
Q: Is the module suitable for use in hazardous environments?
A: The module is designed for industrial use but is not intrinsically safe. In hazardous environments (e.g., explosive atmospheres), additional safety barriers or precautions may be required. Always verify your environment's requirements before installation.
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- 12-Month Warranty: We stand behind our products with a 12-month warranty against defects.
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