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        1794-OB32P

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Allen-Bradley 1794-OB32P is a protected FLEX I/O module with thirty-two 24 V DC sourcing outputs arranged in two groups of sixteen.
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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.
        Parts Availability
        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.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 1794-OB32P

        • Manufacturer:
          Allen-Bradley
        • Part Number:
          1794-OB32P
        • Product Family:
          Flex I/O
        • Product Type:
          FLEX I/O 32-Point Protected Digital Output Module
        • Stock:
          1
        • Output points:
          32
        • Output type:
          24 V DC sourcing, protected
        • Output groups:
          2 groups of 16
        • Output voltage range:
          10...31.2 V DC
        • Maximum current per point:
          500 mA
        • Group current, outputs 0...15:
          6 A maximum
        • Group current, outputs 16...31:
          8 A maximum
        • Surge current:
          2 A for 50 ms every 2 s
        • Turn-on delay:
          0.5 ms maximum
        • Turn-off delay:
          1.0 ms maximum
        • FLEXBus current:
          80 mA at 5 V DC
        • Compatible terminal base:
          1794-TB32 or 1794-TB32S
        • Weight:
          0.085 kg
        • Estimated shipping dimensions:
          9.4x9.4x6.9cm
        • Tariff Code:
          Please confirm the destination before shipping
        • 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 Output Loading Protection Recovery Grouped Wiring Product Applications

        Features:

        • Thirty-two sourcing outputs: two groups of sixteen control 24 V DC loads
        • Electronic protection: the module responds to documented output fault conditions
        • Grouped current limits: each half of the module has a separate loading boundary
        1794-OB32P concentrates a high number of DC output points while keeping the field load divided into two electrical groups.

        The unequal 6 A and 8 A group ceilings make a point-by-point load schedule more useful than the module total alone.

        Service records should connect every output fault with its load, surge, suppression, group supply, terminal, and controller command.

        Availability of 1794-OB32P is subject to Apter Power inventory and sourcing confirmation.
        Allen-Bradley 1794-OB32P FLEX I/O 32-Point Protected Digital Output 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.

        Calculate both sixteen-point groups separately

        • Per point: keep each steady load within 500 mA.
        • Group one: total outputs 0...15 against the 6 A ceiling.
        • Group two: total outputs 16...31 against the 8 A ceiling.
        • Surge: include the 2 A, 50 ms allowance and repetition limit.

        Remove the cause before restoring outputs

        • Short circuit: isolate wiring and load faults before reset.
        • Inductive energy: retain approved suppression at coils and solenoids.
        • Field supply: measure voltage and polarity under the commanded load.
        • Diagnostics: compare point indicators, module status, and controller fault data.

        Maintain the two field-power boundaries

        • Terminal base: confirm 1794-TB32 or 1794-TB32S.
        • Commons: preserve the correct supply return for each output group.
        • Conductor map: label all thirty-two points by load and controller tag.
        • Isolation work: de-energize both groups before terminal-base service.

        Officially supported application roles

        • Solenoid banks: switch documented 24 V DC inductive loads with suppression.
        • Indicator panels: drive multiple low-current DC annunciation points.
        • Distributed actuators: control thirty-two remote sourcing outputs.
        • High-density cabinets: group field loads within the separate current limits.
        Description
        1794-OB32P provides thirty-two 24 V DC sourcing outputs in a FLEX I/O station. The channels are divided into two groups of sixteen and include electronic protection for field-output faults.

        Each channel of 1794-OB32P is rated to 500 mA within the published group and module limits. Separate group loading, surge behavior, field supply, and terminal-base wiring determine how the available output capacity can be used.

        A replacement review for 1794-OB32P should preserve load current, group commons, inductive suppression, short-circuit history, point mapping, and the compatible 1794-TB32 or 1794-TB32S base. Protection is not a substitute for correcting the field fault.
        Alternative Names
        Allen-Bradley 1794-OB32P output module Rockwell Automation 1794-OB32P AB 1794 OB32P 1794OB32P protected output FLEX I/O 32-point sourcing module 1794-OB32P 1794-OB32P DC output interface
        Technical notes
        The main engineering risk for 1794-OB32P is sizing from the 500 mA channel rating without respecting grouped loading. Calculate channels 0–15 and 16–31 separately, capture surge and inductive behavior, preserve both supply commons, confirm the TB32-family base, and remove field shorts before reset.
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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
        Why can one half of 1794-OB32P overload while the other half remains within rating?
        Outputs 0–15 and 16–31 have separate 6 A and 8 A group limits, so calculate actual load distribution instead of using one module-wide total.
        What should be checked after electronic protection operates on 1794-OB32P?
        Remove power according to procedure, locate the shorted or overloaded field circuit, inspect suppression and wiring, correct the fault, and then restore the group.
        How should inrush loads be evaluated for 1794-OB32P?
        Compare measured or manufacturer-stated inrush with the 2 A for 50 ms allowance, repetition interval, per-point rating, group total, and field-supply capacity.
        Why does terminal-base identity matter when ordering 1794-OB32P?
        The thirty-two point wiring is designed for 1794-TB32 or 1794-TB32S; base layout, keying, commons, and conductor positions must match the installed panel.
        What can cause a commanded point on 1794-OB32P to show no field voltage?
        Trace controller logic, module and point status, group supply, common return, terminal contact, protection state, and the load circuit with an approved meter.
        How can repeated solenoid failures be separated from a 1794-OB32P module fault?
        Check coil current and inrush, suppression, duty cycle, supply transients, wiring insulation, group loading, and the output waveform before exchanging the module.

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