Bently Nevada 3500/33 149986-01 16-Channel Relay Module

Overview

The Bently Nevada 3500/33 149986-01 is a full-height 16-channel relay output module engineered for use in the 3500 Series machinery protection system. Designed to support advanced alarm logic and flexible voting configurations, this module enables precise control over shutdown and alert responses in high-value rotating equipment environments.

Technical Specifications

• Model Number / Order Code: 3500/33 149986-01
• Manufacturer: Bently Nevada (GE Measurement & Control)
• Module Type: Relay Output Module
• Condition: Brand New
• System Compatibility: Bently Nevada 3500 Series
• Product Range: 3500/33
• Dimensions: 241 × 24.4 × 242 mm
• Weight: 0.4 kg
• HS Code: 8537101190
• Origin: USA
• Lead Time: In Stock
• MOQ: 1
• Operating Temperature: 0 to 60°C
• Storage Temperature: -40 to 85°C
• Channels: 16 relay outputs (independent)
• Relay Logic:
  • AND/OR programmable logic
  • Supports alert, danger, and “not OK” statuses
  • Accepts inputs from any monitor channel in the rack
• Installation: Can be placed in any slot right of the TDI module
• Software Requirements:
  • Rack Config v3.3 or later
  • Data Acquisition v2.40 or later
  • Data Display v1.40 or later
• Functional Safety (SIL): Restricted voltage required for certified SIL applications
• Hot-Swappable: Yes

Functional Highlights

• Provides 16 programmable relay outputs for alarm and shutdown control.
• Each relay supports custom logic using alert, danger, and “not OK” inputs.
• Enables voting logic across multiple monitor channels.
• Compatible with functional safety systems (SIL) under voltage restrictions.
• Hot-swappable design allows maintenance without system interruption.

Application Scenarios

• Turbomachinery protection in power generation and refining sectors.
• Oil & gas platforms requiring multi-point alarm relay logic.
• Petrochemical plants with complex rotating equipment monitoring.
• Industrial facilities implementing SIL-rated safety systems.

FAQ

Q: Can this module be used in SIL-certified systems? A: Yes, but only with restricted voltage as specified by the functional safety certificate.

Q: How is the relay logic configured? A: Each relay supports programmable AND/OR logic using inputs from any monitor channel.

Q: Is the module hot-swappable? A: Yes, it can be inserted or removed under power without disrupting system operation.