Description
Product Overview
The Bently Nevada 3500/33-01-01 is a 16-channel relay module. It gives you flexible control for machinery safety. This module fits into any slot in your 3500 rack. Each relay can be set up independently. It uses smart logic to make decisions. This keeps your equipment safe during problems.
Main Features & Benefits
- High Capacity: Controls 16 separate relays from one module.
- Advanced Logic: Each channel uses AND/OR rules for accurate trip signals.
- Reliable Relays: Built with epoxy-sealed SPDT relays for long life.
- Operating Modes: Set relays as Normally Open or Normally Closed in groups.
- Clear Visual Status: Front LEDs show power, communication, and alarm states.
- Industrial Design: Made for tough, 24/7 plant environments.
- Easy Setup: Connects directly with all 3500 system monitor channels.
Detailed Technical Specifications
Product Identification
- Brand: Bently Nevada
- Series: 3500 Monitoring System
- Full Model: 3500/33-01-01
- Function: 16-Channel Programmable Relay Module
Electrical Specifications
- Power Use: Typically 5.8 Watts from rack.
- Contact Voltage: Up to 250 VAC/Vdc.
- Contact Current: 2 Amps maximum.
- Switching Capacity: 60W DC / 125VA AC.
- Dielectric Strength: 1500 Vrms for 1 minute.
Relay Performance Details
- Relay Form: Single-Pole, Double-Throw (SPDT).
- Mechanical Life: Exceeds 10 million operations.
- Electrical Life: 100,000 cycles at rated load.
- Response Speed: Operate time under 10ms.
- Contact Resistance: Less than 50 milliohms initially.
- Protection: Full epoxy seal and built-in surge suppression.
Physical & Environmental Specs
- Main Module (HxWxD): 241 x 24.4 x 242 mm.
- I/O Module (HxWxD): 241 x 24.4 x 99.1 mm.
- Combined Weight: Approximately 1.1 kilograms.
- Operating Temperature: 0°C to 65°C.
- Storage Temperature: -40°C to 85°C.
- Humidity Range: 5% to 95% non-condensing.
- Vibration Resistance: 2.5g from 10 to 500 Hz.
Certifications & Approvals
- Hazardous Location: Certified for Class 1, Division 2 areas.
- Safety Standards: Complies with major international industrial codes.
Warranty & Shipping Info
We provide a full 12-month product warranty. Worldwide shipping via FedEx, UPS, and DHL is available. You will receive a tracking link after dispatch.
Expert Questions & Answers
Application & Use
What kind of devices can I connect to these relays?
You can connect alarm horns, warning lights, shutdown valves, or PLC inputs. They handle typical industrial control loads.
Can the module logic use a “healthy” signal to permit startup?
Yes. You can program a relay to energize only when all selected monitor channels are OK. This creates a permissive for machine startup.
Installation & Troubleshooting
Do I need special software to configure the 3500/33-01-01?
Yes. You must use the official Bently Nevada 3500 Rack Configuration Software on a connected laptop to set up the logic and relay behavior.
The TX/RX LED is not flashing. Is the module broken?
Not necessarily. This LED flashes during communication. If solid or off, check the module is fully seated and the rack controller is powered and running.
Buying Guidance
My application needs very low current signals. Which module should I get?
The standard 3500/33-01-01 is for general purpose loads. For low-current signals (e.g., PLC inputs), order the specific Low Current Relay Output Module (PN: 149992-03) as a spare part.
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