BENTLY NEVADA 136188-01
Product Overview
The Bently Nevada 136188-01 is a 3500/32 4-Channel Relay Module,part of the 3500 Machinery Protection System by Bently Nevada(Emerson).This module provides additional,isolated relay outputs for alarm and trip signals generated by other 3500 monitoring modules(e.g.,3500/42M vibration monitor,3500/25 speed input,or 3500/50 overspeed module).
Unlike monitor modules that process sensor data,the 3500/32 acts as a dedicated relay output expander,allowing system designers to:
Increase the number of available alarm contacts
Isolate critical trip circuits from communication or monitoring electronics
Meet safety requirements(e.g.,API 670,IEC 61508)by providing hardwired,fail-safe relay paths to shutdown systems(ESD,DCS,motor starters)
The 136188-01 specifically denotes the standard 4-channel version with Form C(SPDT)relays,commonly used in global industrial applications.
🔹Note:The 3500/32 does not process sensor inputs—it receives digital alarm commands from other 3500 modules via the backplane and energizes its relays accordingly.
Technical Specifications
Parameter Value
Manufacturer Bently Nevada(Emerson)
Model 3500/32 Relay Module
Part Number 136188-01
Number of Channels 4 independent relay channels
Relay Type Form C(Single Pole Double Throw–SPDT)
Contact Rating•2 A 30 V DC(resistive)
•1 A 120 V AC(resistive)
•0.5 A 250 V AC
Isolation Relay contacts are galvanically isolated from logic and other channels
Response Time<10 ms(from alarm command to contact closure)
Mounting Occupies one slot in 3500 chassis
Power Supply Powered via 3500 backplane(±24 V DC)
LED Indicators Per-channel LEDs:Energized,Alarm Active,Fault
Configuration Via 3500 Rack Configuration Software(assigned to specific alarm sources)
Approvals CSA,CE,ATEX,IECEx(when installed in certified rack)
Compliance API 670,IEC 61508(supports SIL 2 applications when used in voted architecture)
Key Features&Functions
✅Scalable Alarm Output Capacity
Each 3500/32 adds 4 high-integrity relay contacts,enabling complex alarm routing—e.g.,sending vibration Danger alarms to both a local horn and a remote PLC input.
✅Fail-Safe Design
Relays can be configured for de-energize-to-trip(fail-safe):if power or communication is lost,relays open(or close)to trigger a safe shutdown.
✅Flexible Assignment
Each relay channel can be independently mapped to:
A specific alarm from any monitor module(e.g.,“Channel 1 Danger”from 3500/42M)
A system-level event(e.g.,“Rack Power Loss”)
A manual test command
✅Enhanced Diagnostics
Front-panel LEDs and software diagnostics show:
Relay coil status
Contact feedback(if wired for verification)
Wiring faults(open/short detection on optional feedback circuits)
✅Safety System Integration
Commonly used to interface the 3500 system with:
Emergency Shutdown(ESD)systems
Motor control centers(MCCs)
Fire&gas panels
Turbine governor trip solenoids
Typical Applications
Gas Compression Stations:Trip compressor on high vibration via hardwired relay to ESD
Steam Turbines:Send overspeed signal to mechanical trip valve solenoid
Petrochemical Plants:Activate area alarms on thrust position deviation
Hydroelectric Units:Disconnect generator breaker on bearing temperature or vibration alarm(via external temp/vibration system)
Redundant Trip Paths:Provide separate relay for DCS and local panel indication
Often paired with:
3500/42M(vibration)
3500/50(overspeed)
3500/53(voting logic for redundant trips)
3500/15E(for configuration and status monitoring)
Related Products
Product Description
136188-02 Variant with different firmware or regional certification
3500/33 8-channel version(higher density)
3500/34 High-current relay module(up to 5 A)
3500/53 Voting logic module for 2oo3 or 2oo2 protection schemes
3500 Chassis(e.g.,176449-02)8-slot rack with dual power supplies for redundancy
Installation&Maintenance Notes
🔧Installation Guidelines:
Install in any slot except Slot 1(reserved for 3500/15).
Use terminal blocks rated for the voltage/current of your trip circuit.
For safety-critical trips,implement contact supervision(wiring feedback to verify relay operation).
🛠️Maintenance Recommendations:
Perform relay functional tests during plant shutdowns(simulate alarm→verify contact change).
Check for contact pitting or oxidation in high-cycle applications.
Ensure firmware compatibility with the rest of the 3500 rack(use Emerson’s compatibility matrix).
⚠️Critical Safety Note:In SIL-rated or API 670-mandated applications,relay modules must be part of a validated protection scheme—including voting logic,periodic proof testing,and documentation of failure modes.The 3500/32 alone does not constitute a safety system.
Warranty&Support
The 136188-01 carries Emerson’s standard 2-year warranty and is supported globally.As a core component of the 3500 platform,it benefits from Bently Nevada’s long-term obsolescence policy—ensuring availability and support for decades.
Summary
The Bently Nevada 3500/32 Relay Module(136188-01)is a mission-critical interface between the intelligent monitoring capabilities of the 3500 system and the physical world of shutdown valves,alarms,and control circuits.By providing isolated,configurable,and diagnostic-rich relay outputs,it ensures that machinery protection decisions are reliably executed—even in the most demanding safety and reliability environments across oil&gas,power generation,and heavy industry.
选择深圳长欣，选择放心，售后无忧 大量现货，当天顺丰发货！！！
