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- 3701/55 323174-01
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PRODUCT DESCRIPTION
Emergency shutdown CPU module
Bently Nevada 3701/55 323174-01 is a emergency shutdown CPU module. The CPU processes emergency-shutdown inputs and trip logic within the ADAPT ESD system. Each processor has two speed inputs and redundant Ethernet connections. Three processors form the TMR arrangement; a single spare CPU is not a complete independent shutdown system.
The manufacturer explicitly lists 323174-01 as the ADAPT ESD CPU module for 3701/55. It is separate from the terminal base and relay-output modules. The spare identity does not confirm the complete system approval or a delivered firmware revision.
The manufacturer explicitly lists 323174-01 as the ADAPT ESD CPU module for 3701/55. It is separate from the terminal base and relay-output modules. The spare identity does not confirm the complete system approval or a delivered firmware revision.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Applications for 3701/55 ADAPT ESD system
These applications describe manufacturer-documented family use. They do not establish that this exact ordering code was installed at a named customer site.
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01 · TURBINE PROTECTION
Processing overspeed and shutdown decisions
The manufacturer describes steam, gas and hydro turbine shutdown applications. The CPU evaluates configured inputs and logic; the separate relay modules actuate the selected trip arrangement. -
02 · EXPANDER SAFETY
Emergency shutdown logic for process equipment
Speed and process/discrete inputs support the configured protection logic for expanders and other rotating equipment. Actual trip conditions must come from the validated application design. -
03 · REDUNDANT CONTROL
Three independent processing paths
Three CPU modules provide the documented TMR processing architecture. Correct voting and output configuration are essential; an individual replacement CPU does not establish the system safety rating.
Technical specifications for 3701/55 323174-01
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Product Model3701/55 323174-01
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Spare Model323174-1
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Product ParametersEmergency shutdown CPU module
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In stock4 units
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ManufacturerBently Nevada
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Assembly functionADAPT ESD CPU module
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Protection architectureOne of three processors in a TMR system
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Speed inputs per CPUTwo independent speed channels
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Common input array32 channels; 12 configurable as DI or 4-20 mA
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Ethernet connections per CPUTwo Ethernet ports
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Network rate10/100 Mbps
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AddressingStatic IP or DHCP
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Configuration softwareBently Nevada Monitor Configuration
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Trip-logic capacityUp to 500 steps
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Nominal logic processing time2 ms
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Recorder outputs per CPUTwo internally powered 4-20 mA
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Time synchronizationNTP
View all additional
Alternative Names
3701/55 323174 01
3701/55 323174-01 emergency shutdown CPU module
Bently Nevada 3701/55 323174-01
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
EMERGENCY SHUTDOWN CPU MODULE
Integrating 3701/55 323174-01
The CPU processes emergency-shutdown inputs and trip logic within the ADAPT ESD system. Each processor has two speed inputs and redundant Ethernet connections. Three processors form the TMR arrangement; a single spare CPU is not a complete independent shutdown system.
Use the 3701/55 terminal base and documented relay modules with the validated shutdown configuration. Three CPUs process the shared input array, with two unique speed inputs per CPU. Do not substitute a 3701 machinery-dynamics processor merely because the packaging looks similar.
Preserve the validated trip logic and protection-path arrangement. For redundant communications, place the two CPU network connections on separate subnets as documented. Follow the controlled safety and grounding instructions and validate the complete shutdown function before returning machinery to service.
Features:
- Match monitor generation, matched front and rear assemblies, wiring and software
- Follow the applicable installation instructions
- Confirm unverified configuration details
The 3701/55 323174-01 emergency shutdown CPU module requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Replacement of 3701/55 323174-01 requires comparing monitor generation, matched front and rear assemblies, wiring and software. A shared base family or similar appearance does not establish a drop-in replacement for the complete ordered assembly.
Use the 3701/55 terminal base and documented relay modules with the validated shutdown configuration. Three CPUs process the shared input array, with two unique speed inputs per CPU. Do not substitute a 3701 machinery-dynamics processor merely because the packaging looks similar.
No verified exact-order discontinuation date, product revision or designated successor is asserted. Document revisions identify the reference literature, not hardware changes to the supplied product. Unconfirmed replacement options must be resolved before substitution.
Features:
- Preserve the complete ordering identity
- Compare the installed electrical and mechanical interfaces
- Do not infer hardware revisions or successor models
The 3701/55 323174-01 emergency shutdown CPU module requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 3701/55 323174-01 emergency shutdown CPU module must be checked for document applicability before installation or commissioning.
Also searched as
Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size6x17x15.6cm
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Shipping weight1.25 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8538900000
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OriginUSA
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03
Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 3701/55 323174-01
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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How is 3701/55 323174-01 identified?
The manufacturer explicitly lists 323174-01 as the ADAPT ESD CPU module for 3701/55. It is separate from the terminal base and relay-output modules. The spare identity does not confirm the complete system approval or a delivered firmware revision. -
What is the function of this component?
The CPU processes emergency-shutdown inputs and trip logic within the ADAPT ESD system. Each processor has two speed inputs and redundant Ethernet connections. Three processors form the TMR arrangement; a single spare CPU is not a complete independent shutdown system. -
Which installed equipment must be matched?
Use the 3701/55 terminal base and documented relay modules with the validated shutdown configuration. Three CPUs process the shared input array, with two unique speed inputs per CPU. Do not substitute a 3701 machinery-dynamics processor merely because the packaging looks similar. -
Where is this component used?
The manufacturer describes steam, gas and hydro turbine shutdown applications. The CPU evaluates configured inputs and logic; the separate relay modules actuate the selected trip arrangement. -
What must be checked during installation?
Preserve the validated trip logic and protection-path arrangement. For redundant communications, place the two CPU network connections on separate subnets as documented. Follow the controlled safety and grounding instructions and validate the complete shutdown function before returning machinery to service. -
Does one CPU provide all six system speed inputs?
No. Each CPU processes two unique speed inputs. The complete three-CPU system has six speed inputs. -
Is the 2 ms processing figure the complete shutdown time?
No. It is the nominal logic-processing time. The source separately gives an 8 ms relay toggle time, and total machine shutdown also depends on the external trip mechanisms.
READY TO VERIFY YOUR PART?
Get a 3701/55 323174-01 quote with price, lead time and revision check.
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