Bently Nevada 3500/33-03-01 16-Channel Low-Current Relay Module
16 CHANNELS · LOW-CURRENT CONTACTS · PROGRAMMABLE VOTING LOGIC
Product Overview
Product identityBently Nevada 3500/33-03-01 is the 16-channel relay module for the 3500 machinery-protection rack. It receives alarm and status conditions from other rack modules and drives individually programmed relay outputs for annunciation or shutdown logic.
The relay bank in Bently Nevada 3500/33-03-01 uses 16 SPDT relay channels; two SPDT channels can be configured to perform the equivalent of one DPDT function. The low-current option 03 uses gold-plated contacts for circuits that require the low-current contact arrangement.
Installed to the right of the TDI, Bently Nevada 3500/33-03-01 uses Alarm Drive Logic to combine Alert, Danger, NOT OK and measured-variable states with configured AND/OR relationships. The final 01 approval option is part of the complete order string.
Product Data
Verified data| Technical item | Value |
|---|---|
| Brand | Bently Nevada |
| Product type | 3500 16-Channel Relay Module |
| Model | 3500/33-03-01 |
| Relay channels | 16 SPDT |
| DPDT emulation | Two SPDT relays can be configured as one DPDT function |
| Contact option | 03 Low-current, gold-plated contacts |
| Approval option | 01 CSA/NRTL/C |
| Rack position | Any slot to the right of the TDI |
| Logic engine | Alarm Drive Logic |
| Logic combinations | Alert, Danger, NOT OK and measured-variable states |
| Boolean logic | AND/OR voting expressions |
| Software requirement | 3500 Rack Config version 3.3 or later |
| Data acquisition software | Version 2.40 or later |
| Data display software | Version 1.40 or later |
| Output role | Annunciation or automatic-shutdown relay interface |
| Module type | Full-height rack module |
Diagnostics and Protection
Product focusBently Nevada 3500/33-03-01 turns rack alarm and health conditions into configured relay states.
Each relay can respond to an individual or combined Alert, Danger, NOT OK or measured-variable condition. The relay command begins with a rack state supplied by another module.
AND/OR relationships combine channel states into the relay command. Voting logic determines whether one or several conditions are required.
The low-current gold-plated contact option defines the electrical interface for the connected circuit. The low-current contact choice belongs to the external circuit interface.
Bently Nevada 3500/33-03-01 receives rack alarm states and applies the configured relay expression before changing the external contact state. The resulting SPDT state is then presented at the selected relay output.
System Integration
Integration focusThe relay module in Bently Nevada 3500/33-03-01 sits downstream of the monitor modules and upstream of the annunciation or shutdown wiring.
Place the full-height relay module in a slot to the right of the TDI. The relay slot is downstream of the TDI and monitor data path.
Alarm and status states arrive from the other 3500 rack modules over the rack internal network. The relay consumes rack states instead of re-measuring the transducer.
The 16 SPDT outputs connect the programmed relay states to external circuits. Each SPDT output has a programmed state and external wiring destination.
Bently Nevada 3500/33-03-01 places its 16 SPDT contacts between the rack logic and the external annunciation or shutdown wiring. The external circuit boundary is where 3500 logic reaches annunciation or shutdown equipment.
Questions About This Product
Field questionsHow many relay outputs does Bently Nevada 3500/33-03-01 provide?
Bently Nevada 3500/33-03-01 provides 16 SPDT relay channels.
What does option 03 mean on Bently Nevada 3500/33-03-01?
Within Bently Nevada 3500/33-03-01, option 03 identifies the low-current relay contact arrangement with gold-plated contacts. Match it to the connected circuit load.
Where is Bently Nevada 3500/33-03-01 installed in a 3500 rack?
Install Bently Nevada 3500/33-03-01 in a slot to the right of the TDI. The relay module is not the slot-1 rack interface.
Can Bently Nevada 3500/33-03-01 combine multiple alarm states?
Yes. In Bently Nevada 3500/33-03-01, alarm Drive Logic can combine Alert, Danger, NOT OK and measured-variable states using configured AND/OR relationships.
Which software versions are required for Bently Nevada 3500/33-03-01?
When configuring Bently Nevada 3500/33-03-01, use 3500 Rack Config version 3.3 or later, 3500 Data Acquisition Software version 2.40 or later and 3500 Data Display Software version 1.40 or later.
What should be retained when wiring Bently Nevada 3500/33-03-01?
Within Bently Nevada 3500/33-03-01, retain the 16 output assignments, the Alarm Drive Logic expressions, the low-current 03 contact option and the final 01 approval suffix.
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