3500/34 125696-01 — a Bently Nevada 3500 Triple Modular Redundant relay module that applies 2-out-of-3 voting to four relay channels for high-integrity trip and control functions.
RELAY CHANNELS4
ARCHITECTURETMR
VOTING2 OUT OF 3
MODULE SET2 × HALF-HEIGHT
MANUFACTURERBently Nevada · Baker Hughes
CONDITION / WARRANTYOriginal New · One-Year Warranty
ISO CERTIFICATIONISO-Certified Product
VERIFICATION● Product photos and videos provided after inquiry
3500/34 125696-01 — A Bently Nevada 3500 Triple Modular Redundant relay module that applies 2-out-of-3 voting to four relay channels for high-integrity trip and control functions.
CONFIGURATION NOTE
3500/34 identifies the Triple Modular Redundant Relay Module family, and 125696-01 is the supplied hardware reference.
Configuration note3500/34 identifies the Triple Modular Redundant Relay Module family, and 125696-01 is the supplied hardware reference.
General Information −
BrandBently Nevada
Part number3500/34 125696-01
Product typeTMR Relay Module
Product family3500 Machinery Protection System
Relay channels4
Voting architectureTriple Modular Redundant
Voting and Output Function ＋
Voting method2-out-of-3 relay voting
Relay channel count4
System roleHigh-integrity trip and control outputs
Rack Configuration ＋
Module arrangementTwo half-height modules
Rack platformBently Nevada 3500 System
Configuration requirementMatch the installed rack logic and field wiring
Application Context ＋
Use the TMR relay architecture where three independent logic paths and 2-out-of-3 voting are required for each of four relay channels. Confirm installed-module references, rack configuration and field-circuit design before replacement.
Source: Bently Nevada 3500 system technical documentation for the 3500/34 TMR relay function. Confirm the exact 125696-01 marking on the supplied module.
FAQ
Questions Buyers Ask Most
Which applications use 3500/34 125696-01?＋
3500/34 125696-01 is used for high-integrity trip, shutdown and interlock outputs that require four relay channels with Triple Modular Redundant logic.
How does voting work in 3500/34 125696-01?＋
3500/34 125696-01 applies 2-out-of-3 voting so each relay channel changes state only when the configured redundant logic paths satisfy the voting requirement.
What rack configuration is required for 3500/34 125696-01?＋
3500/34 125696-01 uses a two-half-height module arrangement in the 3500 rack. Confirm both installed modules, slot positions and rear wiring before replacement.
What should be tested when commissioning 3500/34 125696-01?＋
Commissioning 3500/34 125696-01 should test each redundant logic path, verify 2-out-of-3 operation, exercise all four relay channels and confirm the field trip circuit responds correctly.
What ordering data should accompany a quotation for 3500/34 125696-01?＋
For 3500/34 125696-01, provide the complete 125696-01 label, quantity, rack position, mating-module references, trip philosophy and field-contact requirements.
CONTACT PRODUCT SPECIALIST
Check your configuration with Frida
Share the complete 3500/34 125696-01 label, rack configuration, transducer or field-circuit details and site approval requirement for compatibility, availability and lead-time checking.
Manuals and Official References for 3500/34 125696-01
Documentation status for the exact 3500/34 125696-01 hardware reference.
Official datasheet status
No current official 3500/34 125696-01 product datasheet was located in the manufacturer's public documentation. For product documentation and compatibility details, please contact Product Specialist Frida.
Use the complete 3500/34 125696-01 label and installed-rack configuration when requesting documentation or replacement guidance.
3500 SYSTEM SIGNAL RELATIONSHIP
How 3500/34 125696-01 Fits into the 3500 Machinery Protection System
Bently Nevada is the manufacturer. 3500/34 125696-01 provides four relay channels using Triple Modular Redundant logic. Each channel applies a 2-out-of-3 vote before driving its field relay output.
Bently Nevada 3500 SystemPRODUCT FAMILY · MACHINERY PROTECTION SYSTEM
REDUNDANT INPUTS
Three Logic Paths
Independent logic paths feed the TMR voting stage.
VOTING STAGE
2-out-of-3 Decision
Two agreeing paths are required for the relay decision.
FIELD OUTPUTS
Four Relay Channels
The voted decisions drive four trip or control circuits.
System relationship: three independent logic paths feed a 2-out-of-3 decision stage, which drives four high-integrity relay channels.
APPLICATION AREAS
Functions and application roles for 3500/34 125696-01
Emergency ShutdownProvides voted relay outputs for machinery shutdown circuits.
Trip InterlocksImplements redundant interlock decisions before field actuation.
APPLICATION CENTER
3500/34 125696-013500/34 Triple Modular Redundant Relay Module
Critical PermissivesSupports high-integrity permissive logic with 2-out-of-3 voting.
Proof TestingAllows verification of individual logic paths and final relay actions.
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