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        • Lifecycle status

          Active / Available from OEM
          Apter Power supports 6ES7222-1HF30-0XB0 manual requests and S7-1200 relay-module matching.

        6ES7222-1HF30-0XB0

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Adding eight contact outputs to an S7-1200 controller, Siemens 6ES7222-1HF30-0XB0 is an SM 1222 relay module for switching documented AC or DC field loads.
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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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        Technical specifications for 6ES7222-1HF30-0XB0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7222-1HF30-0XB0
        • Product Family:
          Siemens Simatic S7-1200
        • Product Type:
          SIMATIC S7-1200 SM 1222 8-Relay Digital Output Module
        • Stock:
          1
        • Digital Outputs:
          8 relay contacts
        • Channel Grouping:
          Four groups of two outputs
        • Contact Rating:
          Up to 2 A per output
        • Resistive Load:
          2 A
        • Inductive Load:
          2 A
        • Lamp Load:
          30 W DC or 200 W AC
        • Module Supply:
          20.4-28.8 V DC
        • Backplane Current:
          120 mA maximum at 5 V DC
        • Relay Coil Current:
          11 mA maximum per relay from L+
        • Potential Separation:
          By relay and by groups of two
        • Short-Circuit Protection:
          Not integrated
        • Shielded Cable Length:
          Up to 500 m
        • Unshielded Cable Length:
          Up to 150 m
        • Required Connector:
          Removable front connector
        • Degree of Protection:
          IP20
        • Power Loss:
          Typically 4.5 W
        • Weight:
          0.42 lbs (0.19 kg)
        • Tariff Code:
          85389091
        • Country of origin:
          Germany
        • 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 Relay Groups Front Connector Circuit Protection State Checking

        Features:

        • Eight relay contacts are organized as four two-channel groups for S7-1200 field switching.
        • Contact isolation keeps the switched load circuits separate from the controller backplane and relay-coil supply.
        • A removable front connector terminates the load wiring while the module joins the controller expansion bus.
        Siemens 6ES7222-1HF30-0XB0 converts eight bits of the S7-1200 output image into physical relay contact states.

        The paired terminal organization helps separate the common and switched conductors for each output group during panel wiring.

        Channel indications assist output-state checks, but fuse selection and load suppression remain decisions for the external circuit.

        The Siemens 6ES7222-1HF30-0XB0 SIMATIC S7-1200 SM 1222 8-Relay Digital Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6ES7222-1HF30-0XB0 SIMATIC S7-1200 SM 1222 8-Relay Digital Output Module Manuals,Datasheets,Link 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.

        Organizing eight contacts as four isolated pairs

        • Pair 1: The first two output channels form one terminal and potential group.
        • Pair 2: The next two channels repeat the same two-output organization independently.
        • Pairs 3 and 4: The remaining four contacts are divided into two further isolated groups.
        • Process Image: Each relay still follows its own output bit despite the shared group layout.

        Separating removable field wiring from the module body

        • Field Termination: Load and common conductors land on the removable front connector.
        • Module Seating: The SM 1222 body plugs into the S7-1200 expansion position behind the connector.
        • Wiring Retention: The connector keeps the terminated conductors together when removed from the module.
        • Pin Check: The terminal diagram is matched to the exact -1HF30 article before energizing the relay groups.

        Keeping load faults outside the relay module

        • External Fuse: The field circuit provides overcurrent protection because the outputs have no internal short-circuit protection.
        • Inductive Loads: Coils use appropriate suppression to control the voltage generated when a relay opens.
        • Contact Duty: The switching category and repetition rate remain within the documented relay limits.
        • Group Conductors: Wire sizing and protection are checked for the current carried by each isolated output path.

        Following an output command from software to contact

        • Controller Bit: The S7-1200 program first writes the assigned output-image bit.
        • Backplane Transfer: The controller sends the output byte to the SM 1222 through the expansion bus.
        • Channel Indicator: The local indication shows the commanded state of the corresponding relay channel.
        • Field Confirmation: Voltage at the load is checked across the actual relay contact and external protection path.
        Description
        Eight relay contacts make Siemens 6ES7222-1HF30-0XB0 an SM 1222 digital output module for the SIMATIC S7-1200 system. The controller writes the output image through the backplane, and the module transfers those commands to contact-based AC or DC field circuits.

        The outputs of 6ES7222-1HF30-0XB0 are divided into four groups of two. Each relay preserves potential separation for its switched circuit, while the paired group organization determines how the terminals and common conductors are arranged at the removable front connector.

        Because 6ES7222-1HF30-0XB0 does not provide internal short-circuit protection, protection for the connected conductors and loads remains external to the module. Load type also affects the permissible switching duty, so contactor coils, resistive devices, and lamps are checked against the applicable relay limits rather than one undifferentiated current value.

        Status handling for 6ES7222-1HF30-0XB0 combines the controller output image with local channel indication. The front connector carries the field wiring, and the module body joins the S7-1200 expansion bus so control data and relay-coil power remain separate from the switched load paths.
        Alternative Names
        6ES72221HF300XB0 6ES7 222-1HF30-0XB0 6ES7 222 1HF30 0XB0 Siemens 6ES7222 1HF30 0XB0 SIMATIC 6ES7222-1HF30-0XB0 6ES7222-1HF30-0XB0 SM1222 Relay 6ES7222-1HF3O-OXBO 6ES7222-IHF30-0XB0
        Technical notes
        Siemens 6ES7222-1HF30-0XB0 expands an S7-1200 station with eight relay outputs in four isolated pairs. External circuit protection remains part of the field wiring.
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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
        How should the output commons be planned for Siemens 6ES7222-1HF30-0XB0?
        Siemens 6ES7222-1HF30-0XB0 divides its eight relays into four groups of two, so the terminal diagram is used to keep each pair's common and switched conductors together.
        Why is an external fuse required with Siemens 6ES7222-1HF30-0XB0?
        The outputs of Siemens 6ES7222-1HF30-0XB0 are relay contacts without internal short-circuit protection, so the field circuit must provide suitable overcurrent protection.
        Can Siemens 6ES7222-1HF30-0XB0 switch both AC and DC loads?
        Yes. Siemens 6ES7222-1HF30-0XB0 has relay outputs for documented AC or DC loads, but the contact rating and switching duty must be checked for the actual load type.
        What should be verified if the LED changes but the load on Siemens 6ES7222-1HF30-0XB0 does not operate?
        For Siemens 6ES7222-1HF30-0XB0, check the front-connector terminal, group common, external fuse, relay contact path, and load supply after confirming the controller bit.
        Does Siemens 6ES7222-1HF30-0XB0 include the field front connector?
        The S7-1200 documentation identifies a removable front connector for Siemens 6ES7222-1HF30-0XB0; verify that the correct connector is present with the module before wiring.
        Why must lamp loads be checked separately on Siemens 6ES7222-1HF30-0XB0?
        Lamp inrush differs from a steady resistive load, so Siemens 6ES7222-1HF30-0XB0 has separate documented lamp limits of 30 W DC and 200 W AC.

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