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- 1791-N4V2
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PRODUCT DESCRIPTION
1791-N4V2 four-input two-output analog block
Allen-Bradley 1791-N4V2 four-input two-output analog block supports Allen-Bradley Block I/O. Its assembly combines isolated signal channels, conversion electronics and backplane communication in the documented module format. During operation, it converts field signals into controller data or controller commands into electrical outputs. This arrangement supports repeatable measurement or actuation, channel diagnostics and controlled signal exchange with the automation system.
BEFORE YOU BUY
Confirm the complete four-input two-output analog block
ACTUAL APPLICATIONS
Application roles for 1791-N4V2 in industrial systems
Manufacturer documentation supports these system-level uses within correctly configured industrial automation systems.
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01 · CHEMICAL & PETROCHEMICAL
Reactor Instrumentation and Remote Valve Control Loops
Process Signal IntegrationReactor pressure signal acquisitionControl valve reference output -
02 · WATER & WASTEWATER
Dosing Skids and Remote Pump Control Loops
Dosing and Pump ControlInlet flow signal acquisitionDosing pump reference output -
03 · POWER GENERATION
Boiler Auxiliaries and Remote Monitoring Panels
Boiler Analog MonitoringBearing temperature signal acquisitionAuxiliary valve reference output
Technical specifications for 1791-N4V2
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Product Model1791-N4V2
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Product Parametersfour-input two-output analog block
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In stock1 unit
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ManufacturerAllen-Bradley
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Exact Article Code1791-N4V2
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Product ClassFour-Input Two-Output Analog Block
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Product FamilyAllen-Bradley Block I/O
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Analog Inputs4 selectable
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Analog Outputs2 voltage
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Input Resolution14 bit
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Voltage Input Ranges±10 V, ±5 V, 0–10 V, 0–5 V
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Current Input Ranges±20 mA, 0–20 mA
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Input Update Rate108 ms for four channels
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Voltage Input Impedance10 MΩ
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Current Input Impedance249 Ω
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Input Accuracy0.1% at 25 °C
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Input Linearity0.05% at 25 °C
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Output Range±10 V
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Output Update Rate10 ms per channel
View all additional
Alternative Names
1791 N4V2
Allen Bradley four-input two-output analog block
Allen-Bradley Block I/O four-input two-output analog block
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
SYSTEM INTEGRATION
Match 1791-N4V2 to the installed Allen-Bradley Block I/O
Allen Bradley 1791-N4V2 is a four-input two-output analog block for the Allen-Bradley Block I/O. Its exact article suffix determines the supported interface, signal or communication function and the approved companion equipment.
Engineering should compare analog inputs (4 selectable), analog outputs (2 voltage) and input resolution (14 bit) with the installed system design. Confirm connector keying, addressing and configuration-tool support before connection.
Use the manufacturer documentation for the complete wiring and configuration sequence. Validate communication, signal conversion or control response with the connected equipment, then archive measured results and the final configuration with the asset record.
Features:
- Exact identity: 1791-N4V2
- Product class: four-input two-output analog block
- Family: Allen-Bradley Block I/O
The Allen Bradley 1791-N4V2 requires documented system integration before energising the equipment.
REPLACEMENT CONTROL
Verify the complete 1791-N4V2 identity before exchange
Replace 1791-N4V2 only after matching the complete article code, four-input two-output analog block, installed Allen-Bradley Block I/O role and documented hardware or firmware revision. Similar housings and related family numbers do not establish functional interchangeability.
Photograph the nameplate, keyed connectors, terminal numbering, cable routing, shields, earth points and adjacent modules. Export the applicable controller, HMI, drive or network configuration and record addresses, parameters and diagnostic messages before removal.
After fitting the verified article, restore the controlled configuration and check every affected signal or communication path. Review status indications and diagnostic buffers, run the documented functional test at a safe operating point and retain the final acceptance record.
Features:
- Exact identity: 1791-N4V2
- Product class: four-input two-output analog block
- Family check: Allen-Bradley Block I/O
The Allen Bradley 1791-N4V2 requires documented replacement verification before energising the equipment.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software and certificates are included only when listed in the quotation.
Features:
- Technical data prepared for 1791-N4V2
- Product family: Allen-Bradley Block I/O
- Exact Allen Bradley identity required before service
Documentation for Allen Bradley 1791-N4V2 must match the installed equipment and complete product identity; confirm document applicability before service.
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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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01
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 size9.3 × 5.5 × 4.8 cm
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Shipping weight0.12 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 reference85371098
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OriginSwitzerland
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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 1791-N4V2
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Which nameplate details identify the correct 1791-N4V2 for a distributor quotation?
Quote 1791-N4V2 with the complete suffix, four-input two-output analog block, Allen-Bradley Block I/O, quantity and clear nameplate photographs. -
What should engineering compare before integrating 1791-N4V2 into the installed system?
Compare the documented Allen-Bradley Block I/O role, supply class, communication or signal interface, firmware or hardware revision and companion equipment. -
Which incoming-inspection checks apply to 1791-N4V2?
Inspect the 1791-N4V2 label, connector keying, housing or circuit board condition, seals, terminals and signs of transport damage. -
Can another article in the same Allen-Bradley Block I/O family directly replace 1791-N4V2?
Do not assume interchangeability. Match the full article code, technical ratings, interface count, protocol, configuration and installed mechanical arrangement. -
Which connection records should maintenance capture before removing 1791-N4V2?
Photograph each connector, cable label, shield, earth conductor, network path and adjacent module before disconnecting 1791-N4V2. -
Which configuration data should be backed up before exchanging 1791-N4V2?
Retain the applicable PLC, HMI, drive, network or device configuration and record firmware, addresses, parameters and diagnostic messages. -
How should technicians commission 1791-N4V2 after installation?
Confirm the documented supply and wiring, restore the controlled configuration, inspect diagnostics and test the affected four-input two-output analog block function at a safe operating point. -
What service evidence should be retained after work on 1791-N4V2?
Keep the receiving inspection, original connection record, configuration backup, measurements, diagnostic results and final acceptance record for 1791-N4V2.
READY TO VERIFY YOUR PART?
Get a 1791-N4V2 quote with price, lead time and revision check.
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