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        1794-IB32

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        1001 reviews ｜ Need a Specific Revision?
        Allen-Bradley 1794-IB32 is a FLEX I/O 32-point 24 VDC sinking input module with two 16-channel field groups and configurable input filtering.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
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        Technical specifications for 1794-IB32

        • Manufacturer:
          Allen-Bradley
        • Part Number:
          1794-IB32
        • Product Family:
          Flex I/O
        • Product Type:
          FLEX I/O 32-Point DC Sink Input Module
        • Stock:
          1
        • Number of Inputs:
          32 sinking inputs
        • Nominal Input Voltage:
          24V DC
        • Input Voltage Range:
          19.2–31.2V DC
        • Terminal Base:
          1794-TB32 or 1794-TB32S
        • Input Filter:
          0.25–32ms selectable
        • Operating Temperature:
          0 to 55°C
        • Weight:
          0.079 kg
        • Estimated shipping dimensions:
          9.4x9.4x6.9cm
        • Tariff Code:
          8537101190
        • Country of origin:
          Malaysia
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Dual-Bank Wiring Input Image Filter Control Product Applications

        Features:

        • High-density current-sinking input acquisition
        • Two field-power banks and two controller input words
        • One software-selected filter setting for the complete input group
        1794-IB32 is not a wider copy of a sixteen-point module; it represents a high-density station position with its own integration footprint.

        The three quickest recognition points are its dual field organization, expanded controller image, and group-wide response selection.

        Adapter eligibility remains the entry gate; field organization, controller data, and input response then require their own documented decisions.
        Apter Power can coordinate official-document review, quotation, and sourcing support for 1794-IB32.
        1794-IB32 FLEX I/O 32-Point DC Sink Input Module Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • First bank: Inputs 0 through 15 use the documented V1 and COM1 power/common terminals.
        • Second bank: Inputs 16 through 31 use the separate V2 and COM2 distribution path.
        • Base format: The TB32 or TB32S arrangement provides the signal and power terminals required by both banks.
        • Lower channels: The first input word reports points 0 through 15.
        • Upper channels: A second input word carries points 16 through 31.
        • Configuration word: The complementary write data contains the filter selection rather than another input-status bank.
        • Shared setting: One selected filter time applies across all thirty-two input channels.
        • Available range: The official table provides eight response choices from fast sensing to stronger debounce.
        • Startup action: The controller project must write the intended value instead of leaving response behavior accidental.
        • Dense DC sensing: Collect many current-sinking field signals in one distributed I/O position.
        • Two-bank field layouts: Organize separate sensor-power groups while retaining one module image.
        • Filtered discrete monitoring: Adjust the group response where contact behavior or electrical noise requires deliberate debounce.
        Description
        When a FLEX I/O station must consolidate a large set of DC sensing points, 1794-IB32 is the high-density Allen-Bradley current-sinking input catalog. Its role is to bring those field states into one distributed I/O position while preserving a defined station architecture.

        Using 1794-IB32 changes more than the number of connected sensors: field organization, controller data space, and response behavior must be treated as one project decision. This makes the module useful where panel density matters but also raises the cost of assuming a sixteen-point design can be copied unchanged.

        A retrofit involving 1794-IB32 should start from the exact adapter and station record, not from mechanical fit. The detailed base, mapping, and filter choices can then be checked against one consistent design rather than reconstructed after commissioning begins.
        Alternative Names
        Allen-Bradley FLEX I/O IB32 Rockwell 1794 IB32 32-Point Input FLEX I/O High-Density DC Input Module
        Technical notes
        Adapter compatibility is the first integration gate for 1794-IB32. Rockwell Automation specifies minimum series or firmware levels for Remote I/O, ControlNet, DeviceNet, EtherNet/IP, and PROFIBUS adapters, plus a Logix Designer baseline; identify the installed adapter exactly and stop project edits until its documented requirement is satisfied.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        If inputs 16 through 31 fail while the lower bank of 1794-IB32 remains healthy, where should troubleshooting begin?
        Check the V2 and COM2 source, upper-bank terminal assignments, and the second input word before replacing the module. The lower bank can remain normal when the second power or image path is missing.
        Why might 1794-IB32 be absent from an EtherNet/IP project even though it is seated correctly?
        Read the installed adapter catalog, series, firmware, and Logix Designer release, then compare them with the official compatibility table. Upgrade or change the architecture before editing the I/O tree if the baseline is too old.
        When short sensor pulses disappear on 1794-IB32, how should the filter be investigated?
        Compare the actual pulse width with the filter written by the controller, then test a documented faster setting while confirming noise does not create false inputs. Save the accepted value in the startup routine.
        Can a sixteen-point input project be expanded to 1794-IB32 without changing controller mapping?
        No. Allocate the second input word, add the complementary configuration word, and remap channels 16 through 31. Confirm the TB32 base and second field-power bank before transferring wires.
        What should stop a retrofit when 1794-IB32 is offered for a narrow FLEX I/O base?
        Stop if the installed base is not the documented TB32 or TB32S format. Compare terminal positions, both power groups, wiring space, and the adapter baseline before purchasing or moving conductors.
        Before working on the terminal base, when must service of 1794-IB32 stop?
        Stop while backplane or field power remains applied, or when the open-style station lacks the required enclosure and grounded steel DIN rail. Correct those conditions before disconnecting a bank or removing the module.

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