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The Bently Nevada 3500/32 (125720-02) Four-Channel Relay Output Module is a relay output module used within the Bently Nevada 3500 machinery protection system.
It provides four independent relay outputs, enabling the system to convert monitoring conditions into physical control signals such as alarms, trips, or shutdown commands for external devices.
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| System | 3500 |
| Part Number | 125720-02 |
| Product Type | Four-Channel Relay Output Module |
| Function | Relay output / alarm switching |
| Channels | 4 independent relays |
| Dimensions | 241 × 24.4 × 99.1 mm |
| Weight | 0.4 kg |
| Installation | Rack-mounted |
| Application | Alarm and shutdown control |
| Environment | Industrial-grade |
| Compatibility | Bently Nevada 3500 system |
The Bently Nevada 3500/32 (125720-02) Four-Channel Relay Output Module converts system logic into relay-based outputs.
Receives status signals from monitoring modules
Evaluates system conditions (alarms, thresholds, faults)
Activates relay outputs when conditions are met
Sends signals to external systems (PLC, alarms, shutdown circuits)
4 relay output channels
Alarm and trip signal output
External device interface
Integration with protection systems
This module is used to:
Translate monitoring data into control actions
Trigger alarm and emergency shutdown systems
Interface with PLC, DCS, and safety systems
Provide hardwired protection responses
It is a critical part of safety and automation systems.
The Bently Nevada 3500/32 (125720-02) Four-Channel Relay Output Module is commonly applied in:
Turbine and generator protection systems
Compressor and pump monitoring
Oil and gas processing plants
Petrochemical facilities
Power generation systems
Industrial automation and safety systems
It is ideal for applications requiring reliable relay output control.
For correct operation:
Installed in a Bently Nevada 3500 rack system
Connected to monitoring modules
Relay outputs wired to external control devices
Configured through system software
Proper installation ensures accurate and stable relay operation.
This module works with:
Vibration monitoring modules
Keyphasor modules
Rack Interface Modules (RIM)
Transient Data Interface (TDI) modules
Other 3500 system modules
It acts as the output interface for system protection logic.
Compact design with reduced dimensions
Four independent relay channels
Reliable alarm and shutdown functionality
Easy integration with control systems
Industrial-grade durability
Supports safety-critical applications
What is the main function of this module?
It provides relay outputs for alarms, shutdowns, and control actions.
How many channels does it have?
It has 4 relay output channels.
What is the difference from 125720-01?
The 125720-02 typically features a more compact design (reduced dimensions), making it suitable for space-constrained installations.
The Bently Nevada 3500/32 (125720-02) Four-Channel Relay Output Module is a compact and reliable relay output solution within the 3500 system.
It provides:
Stable 4-channel relay outputs
Fast response for alarm and shutdown
Easy integration into industrial systems
Compact design for limited space
This makes it an excellent choice for efficient and safe machinery protection applications.