Product Description
The Bently Nevada 125720-01 3500/32 Relay I/O Module provides four independently programmable relay outputs for flexible machinery monitoring. Moreover, the full-height module installs in any rack slot adjacent to the Rack Interface Module. In addition, it supports custom voting logic for each relay, allowing precise configuration of alarm responses and control strategies.
Key Functional Highlights
- Four Programmable Relays: Each channel can be set as Normally Energized or Normally De-energized.
- LED Indicators:
- OK LED: Confirms proper module functionality.
- TX/RX LED: Shows communication with rack modules.
- CH ALARM LED: Illuminates when a relay channel enters an alarm state.
- Alarm Drive Logic: Configurable AND/OR logic reacts to alarms from any monitor channel or combination. Therefore, system behavior can be tailored precisely.
- Arc Suppression: 250 Vrms arc suppressor ensures relay longevity and reduces electrical interference.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 125720-01 |
| Module Type | 3500/32 4-Channel Relay I/O Module |
| Power Consumption | 6 W (typical) |
| Relay Type | SPDT in DPDT configuration |
| Contact Life | 100,000 cycles at 5 A, 24 Vdc or 120 Vac |
| LED Indicators | OK, TX/RX, CH ALARM |
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
| Dimensions (HxWxD) | 241 x 24.4 x 99.1 mm |
| Weight | 0.4 kg (1.0 lb) |
System Integration
The 125720-01 module integrates seamlessly with the 3500 monitoring system, allowing each relay to respond to specific alarm conditions. Moreover, it supports flexible configuration using the 3500 Rack Configuration Software. In addition, its compact design preserves rack space while ensuring reliable and programmable alarm logic for critical machinery protection.
Details
| Weight | 0.4 kg |
|---|
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