Description
💡 Product Introduction The Bently Nevada 3500/33 149986-01 is a high-density, 16-channel relay output module designed for the 3500 Machinery Protection System. It provides essential alarm and trip logic execution, interfacing directly with external machinery shut-down circuits and annunciation systems based on programmable voting logic derived from any combination of monitor channels within the rack.
📊 Product Parameters
- 🔌 Module Type: 16-Channel Relay Output Module
- 📦 Product Series: Bently Nevada 3500 Rack-Based Monitoring System
- 🏷️ Part Number: 149986-01 (Associated I/O Module included)
- ⚡ Power Consumption: 4.4 W typical
- 🎛️ Relay Output Count: 16 independent relay channels (Form C outputs)
- 📏 Main Module Dimensions: 241.0 mm x 24.4 mm x 242.0 mm
- 📐 Rear I/O Dimensions: 241.0 mm x 24.4 mm x 99.1 mm
- ⚖️ Weight: Combined assembly approximately 1.2 kg (2.65 lbs)
- 🌍 Country of Origin: United States
- 🌡️ Operating Temperature Range: -30°C to +65°C (-22°F to +149°F)
🛠️ Product Instructions
- Slot Installation: Insert the relay front module into any available full-height rack slot, ensuring the rear I/O module is firmly secured in the matching backplane position.
- Terminal Wiring: Connect external alarm lights, horns, or emergency shutdown loops to the removable terminal blocks on the rear I/O module, respecting maximum voltage and current load ratings.
- Logic Configuration: Use the 3500 Rack Configuration Software to program custom AND/OR voting logic, latching states, and alarm thresholds tied to specific monitor channels.
- Trip Bypass Testing: Utilize configuration software or front panel controls to execute manual trip bypass testing for system maintenance without triggering physical machine shutdowns.
- Diagnostic Monitoring: Inspect the front panel LED indicators to verify power status, relay actuation states, and overall module operational readiness.
❓ Common Questions (Q&A)
- Q: What type of relay contacts does the 3500/33 module utilize? A: The module features Form C (SPDT – Single Pole Double Throw) relay contacts, supporting both normally open and normally closed field wiring configurations.
- Q: Can the relays be programmed to respond to specific channel alarms? A: Yes, operators can configure complex Boolean logic combining Danger, Alert, or Not-OK statuses from any monitor module present in the same 3500 rack.
- Q: Is it possible to manually override or test the relay outputs? A: Yes, the system configuration software supports manual relay forcing and trip bypass functions to simplify loop testing during commissioning or routine servicing.
