


Product Description
Product Details
Manufacturer: Bently Nevada
Series: 3500/33
Model/Part Number: 149992-03
Model Type: Low Current Relay Output Module
Description
The 3500/33 16-Channel Relay Module is a full-height module designed to provide 16 relay outputs. It can be installed in any slot to the right of the Transient Data Interface (TDI) Module. The module supports independent programming for each output, allowing users to configure voting logic as needed.
Each relay on the 3500/33 module is equipped with Alarm Drive Logic, which can utilize a combination of inputs including:
- Alert and danger statuses (alarming inputs)
- Not-OK statuses
- Individual Measured Variables from any monitor channel or a combination of channels within the rack
Specifications
Outputs
- Relay Type: Single-pole Double-throw (SPDT)
- Relay Operation: Four groups of four channels can be switch-selected for Normally De-energized (ND) or Normally Energized (NE) operation
- Relay Contact Life: 10,000 cycles
- Relay Arc Suppressor: 250 Vrms, included as standard
Front Panel LEDs
- OK LED: Illuminates when the module is operating correctly
- TX/RX LED: Flashes during communication with other modules in the rack
- CH Alarm LED: Illuminates when a relay channel is in an alarm state
Environmental Features
- Sealing: Epoxy-sealed
Physical Dimensions
- Dimensions (H x W x D): 241 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)
- Weight: 0.4 kg (1.0 lb)
Ordering Information
The 3500/33 Relay Module is identified using the following part code structure:
3500/33-AA-BB
Code Breakdown
-
A: Output Module
- 01: 16-Channel Relay Output Module
- 02: 16-Channel Failsafe Relay Output Module
- 03: Low Current 16-Channel Relay Output Module
- 04: Low Current 16-Channel Failsafe Relay Output Module
-
B: Hazardous Area Approval Option
- 00: None
- 01: cNRTLus (Class 1, Division 2)
- 02: ATEX / IECEx / CSA (Class 1, Zone 2)