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PRODUCT DESCRIPTION
Signal input relay module
Bently Nevada 81544-01 is a signal input relay module. This signal input relay module is a separately identified assembly used with a compatible dual vibration monitor. Its relay and barrier construction must match the installed arrangement. It is not a complete two-channel monitor or an independent proximity transducer.
The historical manufacturer spare-parts table identifies 81544-01 with no relay. Replacement ordering also requires the complete 3300/16 monitor catalog number and any modification number. Confirm the installed relay and barrier arrangement before selecting the spare.
The historical manufacturer spare-parts table identifies 81544-01 with no relay. Replacement ordering also requires the complete 3300/16 monitor catalog number and any modification number. Confirm the installed relay and barrier arrangement before selecting the spare.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Where 81544-01 Fits Across Industrial Application Areas
Industrial uses span production and utility equipment, subject to verified product compatibility, installation requirements and operating conditions.
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01 · PULP & PAPER
Pulp Manufacturing and Paper Production
Pulp refiners and process pumps in integrated pulp mills.Paper machine press rolls and winders in papermaking facilities. -
02 · WATER & WASTEWATER
Municipal Wastewater Collection and Treatment
Sewage lift pumps serving municipal wastewater collection and treatment.Aeration blowers and sludge equipment in wastewater treatment plants. -
03 · POWER GENERATION
Electricity Generation and Power Plant Utilities
Gas and steam turbine generators in thermal power plants.Hydroelectric turbines and generators in conventional hydropower generating stations.
Technical specifications for 81544-01
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Product Model81544-01
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Spare Model78462-02
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Product ParametersSignal input relay module
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In stock9 units
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ManufacturerBently Nevada
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Documented assemblySignal Input Relay Module
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Compatible monitor family3300/16
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Relay constructionNo relay
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Buffered connectionRear terminal connection for channel transducer signals
View all additional
Alternative Names
81544 01
81544-01 signal input relay module
Bently Nevada 81544-01
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
SIGNAL INPUT RELAY MODULE
Integrating 81544-01
This signal input relay module is a separately identified assembly used with a compatible dual vibration monitor. Its relay and barrier construction must match the installed arrangement. It is not a complete two-channel monitor or an independent proximity transducer.
Select the transducer type and sensitivity specified by the complete monitor order. The documented 3000 Proximitor uses -18 Vdc, whereas 3300 and 7200 transducers require -24 Vdc. Both the power supply and system monitor must provide the correct configured transducer voltage.
Match the complete monitor order, Signal Input Relay Module and installed circuit-board number. Use the corresponding appendix of manual 86830-01 and field-wiring packet 100311-01. Follow isolation and site protection procedures; channel bypass removes the affected monitoring function.
Features:
- Match full ordering options, transducer type, installed circuit assembly and matching relay module
- Follow the applicable installation instructions
- Confirm unverified configuration details
The 81544-01 signal input relay module requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Replacement of 81544-01 requires comparing full ordering options, transducer type, installed circuit assembly and matching relay module. A shared base family or similar appearance does not establish a drop-in replacement for the complete ordered assembly.
Select the transducer type and sensitivity specified by the complete monitor order. The documented 3000 Proximitor uses -18 Vdc, whereas 3300 and 7200 transducers require -24 Vdc. Both the power supply and system monitor must provide the correct configured transducer voltage.
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 81544-01 signal input relay module requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: No verified product PDF is currently available on this page. Amikong-hosted reference documents will be listed only after their product identity and scope have been checked. Consult the applicable manufacturer instructions before use; 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 81544-01 signal input relay 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 size5x9.8x22.8cm
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Shipping weight0.26 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 reference9031900090
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OriginUSA
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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 81544-01
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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How is 81544-01 identified?
The historical manufacturer spare-parts table identifies 81544-01 with no relay. Replacement ordering also requires the complete 3300/16 monitor catalog number and any modification number. Confirm the installed relay and barrier arrangement before selecting the spare. -
What is the function of this component?
This signal input relay module is a separately identified assembly used with a compatible dual vibration monitor. Its relay and barrier construction must match the installed arrangement. It is not a complete two-channel monitor or an independent proximity transducer. -
Which transducers or modules are compatible?
Select the transducer type and sensitivity specified by the complete monitor order. The documented 3000 Proximitor uses -18 Vdc, whereas 3300 and 7200 transducers require -24 Vdc. Both the power supply and system monitor must provide the correct configured transducer voltage. -
Where is this component used?
The monitor displays the negative DC voltage representing probe-to-target gap. A configured gap window provides an additional indication when the sensing arrangement moves outside the selected limits. -
What must be checked during installation?
Match the complete monitor order, Signal Input Relay Module and installed circuit-board number. Use the corresponding appendix of manual 86830-01 and field-wiring packet 100311-01. Follow isolation and site protection procedures; channel bypass removes the affected monitoring function. -
Why does an OK LED flash at 1 Hz or 5 Hz?
With Timed OK enabled, 1 Hz indicates recovery after the input has remained valid for 30 seconds. A 5 Hz indication identifies stored cyclic self-test errors. Diagnose the recorded condition using the correct manual and circuit-board appendix. -
Can Reset clear an alarm while its cause is still present?
No. The manual states that an alarm cannot be reset while its alarm condition still exists. Latching and nonlatching selections change acknowledgement behaviour, not the need to resolve the underlying condition.
READY TO VERIFY YOUR PART?
Get a 81544-01 quote with price, lead time and revision check.
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