Description
Product Introduction & Engineering Value
Unexpected shutdown trips often trace back to unreliable alarm interfaces rather than the vibration monitor itself. The BENTLY 350033-01-00 addresses that weak point by providing sixteen independently configurable relay outputs for machinery protection systems.
Designed for integration within the BENTLY Nevada 3500 Series, this module converts monitoring events into dependable relay actions for DCS, PLC, annunciators, shutdown systems, and auxiliary equipment. It supports configurable alarm voting logic and integrates directly with the rack’s configuration environment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | BENTLY Nevada |
| Model | 350033-01-00 |
| Series | 3500 Series |
| Module Type | 16-Channel Relay Module |
| Relay Quantity | 16 Outputs |
| Relay Type | SPDT (Single Pole Double Throw) |
| Programming | Independent relay configuration |
| Alarm Logic | AND / OR voting logic |
| Installation | Full-height front module with rear I/O module |
| Typical Power Consumption | Approximately 5.8 W |
| Configuration Tool | 3500 Rack Configuration Software |
| Typical Applications | Alarm indication, machinery trip logic, PLC/DCS interface |
Field Application & The “Trench” Experience
A refinery experienced repeated turbine shutdowns after a maintenance outage. The vibration monitors were functioning correctly, but the existing relay module contained worn contacts that intermittently failed to energize the emergency shutdown circuit. Replacing the module with a verified 350033-01-00 restored stable relay operation, and complete alarm sequence testing confirmed correct response under simulated vibration faults before the unit returned to production.
Typical applications include:
- Catalytic cracking unit compressor protection
- Steam turbine overspeed shutdown interface
- LNG compressor alarm distribution to DCS and ESD systems
350033-01-00
350033-01-00
Transparency SOP: QA & Testing
Every New Surplus or professionally refurbished module undergoes documented inspection before shipment.
- Visual inspection for connector wear, PCB damage, corrosion, and housing integrity.
- Rack installation verification using a compatible BENTLY 3500 test chassis.
- Relay channel functional testing across all sixteen outputs.
- Communication and configuration verification through 3500 Rack Configuration Software.
- Final packaging with anti-static protection and serial number traceability.
The Veteran’s Tech Trap Guide
⚠️ Check the configured relay logic before installation. The hardware may be healthy while the programmed AND/OR voting logic differs from the previous system configuration.
⚠️ Verify relay operating mode. Incorrect Normally Energized (NE) versus Normally De-energized (ND) settings can produce unexpected shutdown behavior after startup.
PRO TIP: Always perform complete end-to-end functional testing from the monitor channel through the relay output to the PLC, DCS, or shutdown device instead of checking relay contacts with a multimeter alone.
Dynamic FAQ
Q1. Is the 350033-01-00 compatible with all BENTLY 3500 racks?
Yes. It is designed for installation within compatible BENTLY Nevada 3500 Series machinery protection racks using the appropriate rear I/O module.
Q2. Can each relay output be programmed independently?
Yes. Each of the sixteen relay channels can be assigned its own alarm drive logic and operating behavior using the 3500 Rack Configuration Software.
Q3. Does this module perform vibration measurement?
No. The module is an output interface. It receives alarm conditions from monitor modules and activates external relay contacts based on configured logic.
Q4. Is New Surplus inventory genuine?
Yes. New Surplus inventory consists of unused OEM equipment preserved in original industrial supply channels. Product condition and availability should always be confirmed before ordering.
Q5. What warranty is typically available?
Warranty terms vary by inventory condition and supplier policy. New Surplus and professionally refurbished units commonly include a limited warranty covering manufacturing or refurbishment defects.
Q6. What should be checked before replacing an existing relay module?
Confirm the relay configuration, output assignments, Normally Energized/Normally De-energized settings, rack compatibility, and field wiring before returning the machinery protection system to service.
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