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      6ES7322-1HH01-0AA0

      SIMATIC S7-300 SM 322 16-Relay Digital Output Module
      In Stock
      Ships by Friday, October 9
      Fast Shipping Available

      Product Describe：

      Siemens 6ES7322-1HH01-0AA0 is a SIMATIC S7-300 SM 322 digital output module with 16 isolated relay-contact outputs. It uses a 20-pole front connector and switches documented AC or DC field loads.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 6ES7322-1HH01-0AA0

      Technical specifications for 6ES7322-1HH01-0AA0

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        6ES7322-1HH01-0AA0
      • Estimated shipping dimensions:
        4x11.6x12.4cm
      • Weight:
        0.24 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        Germany
      • Product designation:
        SM 322 digital output module
      • Host system:
        SIMATIC S7-300
      • Digital outputs:
        16 relay contacts
      • Isolation groups:
        2 groups of 8 outputs
      • Front connector:
        1 x 20-pole
      • Load voltage DC:
        24 to 120 V DC
      • Load voltage AC:
        24 to 230 V AC
      • Nominal output current:
        2 A
      • Minimum load current:
        10 mA
      • Relay-coil supply:
        24 V DC
      • Switching frequency, resistive load:
        1 Hz maximum
      • Switching frequency, inductive load:
        0.5 Hz maximum
      • Switching frequency, lamp load:
        1 Hz maximum
      • Mechanical switching frequency:
        10 Hz maximum
      • Backplane current:
        100 mA maximum at 5 V DC
      • 24 V supply current:
        250 mA maximum
      • Power loss:
        4.5 W typical
      • Lifecycle status:
        Product phase-out since 1 October 2023
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Siemens 6ES7322-1HH01-0AA0 provides sixteen isolated relay-contact outputs for a documented SIMATIC S7-300 station.
      • Sixteen relay-contact outputs
      • Two isolated groups of eight
      • 24-120 V DC or 24-230 V AC loads
      • 20-pole front connector

      The module remains matched to its documented S7-300 rack slot, 24 V DC relay-coil supply, two field-load groups, 20-pole connector and STEP 7 hardware configuration. Commissioning restores every output assignment and proves the connected loads under controlled conditions.

      Important Notice: Confirm 6ES7322-1HH01-0AA0, rack slot, 20-pole connector, relay-coil supply, field voltages, two isolated groups, output assignments, protection and controlled test evidence before release.

      Siemens 6ES7322-1HH01-0AA0 Manuals & Downloads

      These documents are different: the first consolidates exact product and system data; the second provides model-specific installation checks, commissioning steps and acceptance guidance.

      Contactor and starter control
      Switches documented AC or DC coils through the approved relay contacts.
      Solenoid-valve control
      Operates field solenoids within the specified load and switching limits.
      Signal-lamp output
      Controls documented indication circuits from an S7-300 output image.
      Legacy SM 322 replacement
      Restores the exact slot, connector, supply groups and output assignments.
      Read the applicable Siemens S7-300 module instructions before work. Verify 6ES7322-1HH01-0AA0, the installed rack, both supply groups and all sixteen field loads.
      1
      Confirm the complete 6ES7322-1HH01-0AA0 marking and SM 322 relay-output execution.
      2
      Place the controller and every affected field load in the approved maintenance state.
      3
      Isolate the 24 V DC relay-coil supply and all AC or DC load circuits.
      4
      Record the rack slot, 20-pole connector and all sixteen output assignments.
      5
      Verify the two isolated groups of eight and their documented supply and protection.
      6
      Restore the STEP 7 hardware configuration and every terminal assignment.
      7
      Energize under control and review rack, module and field-circuit diagnostics.
      8
      Command every assigned relay output and verify the intended field response before release.

      Technical notes

      Technical notes

      Install 6ES7322-1HH01-0AA0 in the documented SIMATIC S7-300 slot. Record the 20-pole connector, two isolated supply groups, all sixteen field-load assignments, protection and STEP 7 hardware configuration before removal, then verify every relay output under controlled conditions.

      FAQS

      • How many relay outputs does Siemens 6ES7322-1HH01-0AA0 provide?
        The SM 322 provides 16 relay-contact digital outputs.
      • How are the outputs of 6ES7322-1HH01-0AA0 isolated?
        The 16 outputs are electrically isolated in two groups of eight.
      • Which field voltages can 6ES7322-1HH01-0AA0 switch?
        The official module data specifies 24 to 120 V DC and 24 to 230 V AC load-voltage ranges.
      • What is the nominal output current of 6ES7322-1HH01-0AA0?
        Each documented relay output is rated at a nominal 2 A, subject to the official load and grouping limits.
      • Which front connector is used by 6ES7322-1HH01-0AA0?
        The module uses one 20-pole S7-300 front connector.
      • What relay-coil supply must be checked for 6ES7322-1HH01-0AA0?
        Confirm the documented 24 V DC relay-coil supply and both output-group supply assignments before energization.
      • What must be recorded before replacing 6ES7322-1HH01-0AA0?
        Record the rack slot, 20-pole connector, two supply groups, all 16 load assignments, protection and STEP 7 hardware configuration.
      • What proves 6ES7322-1HH01-0AA0 is ready for service?
        Verify module diagnostics and command every assigned relay output under controlled conditions while confirming the intended field response.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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