Description
Product Overview
- Brand: Bently Nevada
- Model: 125712-01
- Series: 3500
- Module Type: 4-Channel Relay Output Module
- This module provides reliable alarm relay outputs.
- It works inside Bently Nevada 3500 monitoring racks.
- The design supports flexible alarm logic control.
Key Advantages
- Four independent relay channels for alarm actions.
- Flexible logic control using AND and OR rules.
- Industrial-grade relays for long service life.
- Clear LED indicators for fast status checks.
Electrical and Functional Data
- Power Consumption: About 6 W typical
- Relay Configuration: SPDT pairs forming DPDT outputs
- Relay Mode: Selectable energized or de-energized
- Alarm Logic: Programmable via 3500 software
- Response Time: Less than 20 ms typical
- Contact Life: Up to 100,000 operations
Relay Contact Ratings
- Maximum AC Load: 600 VA
- Maximum DC Load: 120 W
- Maximum Current: 5 A
- Maximum Voltage: 250 Vac or 30 Vdc
- Minimum Load: 10 mA at 5 Vdc
Status Indicators
- OK LED: Confirms normal module operation
- TX/RX LED: Shows internal communication activity
- Channel Alarm LEDs: Indicate active relay alarms
Environmental and Protection
- Operating Temperature: −30 °C to +65 °C
- Storage Temperature: −40 °C to +85 °C
- Humidity: Up to 95 percent non-condensing
- Sealing: Epoxy sealed electronics
- Arc Suppression: Built-in up to 250 Vrms
Compliance and Approvals
- CE marked for EMC and safety standards
- Meets EN 61010-1 safety requirements
- Optional CSA approval for hazardous areas
- Suitable for Class I Division 2 locations
Physical Characteristics
- Main Module Size: 241 x 24.4 x 242 mm
- Main Module Weight: About 0.7 kg
- I/O Module Size: 241 x 24.4 x 99.1 mm
- I/O Module Weight: About 0.4 kg
- Rack Space: Full-height front and rear slots
Typical Applications
- Machine protection alarm systems
- Shutdown and trip circuits
- Voting logic implementation
- Critical asset condition monitoring
Professional FAQ
- Can this module control external shutdown devices?
- Yes. It supports direct relay control for alarms.
- Is programming required before use?
- Yes. Logic is set through 3500 configuration software.
- How does this module improve system safety?
- It enables reliable alarm voting and response actions.
- What should be checked during replacement?
- Verify rack slot, I/O module match, and logic setup.
- Buying advice for system expansion?
- Confirm relay ratings match field device loads.
Packaging, Warranty and Shipping
- Delivered in secure industrial packaging.
- Warranty: 12 months.
- Global shipping via FedEx, UPS, or DHL.
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