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      Siemens 6ES7231-7PD22-0XA8
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
      Ships by Saturday, November 14

      6ES7231-7PD22-0XA8

      Thermocouple analog input module

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          PRODUCT DESCRIPTION

          6ES7231-7PD22-0XA8 Thermocouple analog input module

          Siemens 6ES7231-7PD22-0XA8 is an EM 231 thermocouple expansion module for SIMATIC S7-200 CN controllers of the S7-22X generation. Its four analog input channels accept low-level millivolt signals and the listed thermocouple types, providing temperature values to the connected CPU.

          The input span is ±80 mV and the temperature resolution is 0.1 °C or 0.1 °F. This CN variant carries CE approval and is intended for the specified S7-200 platform. It is separate from the S7-1200 SM 1231 range and does not provide RTD or current inputs.
          BEFORE YOU BUY

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          ACTUAL APPLICATIONS

          Application fields for 6ES7231-7PD22-0XA8

          These broad application fields reflect the documented function and technical characteristics of 6ES7231-7PD22-0XA8.
          • 01 · OIL & GAS

            Natural Gas Exploration and Natural Gas Extraction

            Onshore gas exploration and conventional gas explorationOnshore gas extraction and conventional gas extraction
          • 02 · METALS

            Ferrous Metallurgy and Metal Refining

            Primary iron metallurgy and integrated ferrous metallurgyFerrous metal refining and nonferrous metal refining
          • 03 · POWER GENERATION

            Hydroelectric Generation and Solar Energy

            Reservoir hydroelectric generation and utility hydroelectric generationDistributed solar generation and solar electricity supply

          Technical specifications for 6ES7231-7PD22-0XA8

          • Product Model
            6ES7231-7PD22-0XA8
          • Product Parameters
            Thermocouple analog input module
          • In stock
            7 units
          • Manufacturer
            Siemens
          • Analog inputs
            4
          • Voltage input span
            -80 to +80 mV
          • Thermocouple types
            J/K/S/T/R/E/N
          • Input resolution
            15 bits plus sign
          • Temperature resolution
            0.1 °C / 0.1 °F
          • Power loss
            1.8 W
          • Compatible CPU generation
            S7-22X
          • Product approval
            CE
          View all additional
          Ask for Quote

          Alternative Names

          6ES7231-7PD22-0XA8 SIMATIC S7-200 CN Thermocouple analog input module
          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

          Integrate 6ES7231-7PD22-0XA8 within SIMATIC S7-200 CN

          Use the EM 231 with a supported S7-22X CPU and allocate its four analog input channels in the S7-200 configuration. The 0XA8 CN article is not an S7-1200 expansion module despite similar thermocouple functionality.
          Choose the connected thermocouple characteristic from J, K, S, T, R, E or N, or use the ±80 mV voltage span where appropriate. Maintain thermocouple polarity and compatible extension conductors at every field connection.
          Allow for the stated 1.8 W power loss within the installed enclosure and review the applicable S7-200 wiring instructions. The exact-model data sheet lists CE approval; additional regional approvals should not be assumed for this CN variant.

          Features:

          • Analog inputs: 4
          • Voltage input span: -80 to +80 mV
          • SIMATIC S7-200 CN
          Use 6ES7231-7PD22-0XA8 only within the documented SIMATIC S7-200 CN arrangement and applicable installation instructions.
          INTERCHANGEABILITY

          Replace 6ES7231-7PD22-0XA8 within SIMATIC S7-200 CN

          Back up the S7-200 project and record the configured thermocouple types before disconnecting the field leads. Label each input pair so that the four channels retain their original sequence.
          Check the complete 7PD22-0XA8 identification and the existing S7-22X CPU compatibility. Do not select a current-input EM 231 or a different controller-family temperature module solely from the EM 231 name.
          On restart, compare the four readings with known temperature conditions or a suitable simulator. Check polarity, unit selection and millivolt scaling if the indicated temperatures differ from the pre-replacement values.

          Features:

          • Product approval: CE
          • Mating terminals and installed configuration
          • Post-exchange functional validation
          Use 6ES7231-7PD22-0XA8 only within the documented SIMATIC S7-200 CN arrangement and applicable installation instructions.
          DOCUMENTATION STATUS

          Browse the Manuals, Datasheets, Official Documents, Links

          Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.

          Features:

          • Exact-model technical data for 6ES7231-7PD22-0XA8
          • Document applicability checked against the complete identity
          • Directory links by subcategory and brand
          Documentation for 6ES7231-7PD22-0XA8 must match the installed product identity and supplied configuration.

          Also searched as

          6ES7223-1BH22-0XA0 6ES7231-0HC22-0XA8 6ES7222-1HF22-0XA8 6ES7216-2AD23-0XB8 6ES7288-1CR30-0AA1

          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.
          • 01

            Shipping & delivery

            Dispatch
            Eligible stock: same / next day
            Carriers
            DHL, FedEx or UPS
            Ship from
            Xiamen, China
            Product size
            7.12 x 8.00 x 6.20 cm
            Net weight
            0.16 kg
          • 02

            Payment & customs

            Payment
            Bank transfer (T/T)
            Currencies
            USD · EUR · GBP · RMB
            Credit cards
            Not accepted
            HS reference
            8538900000
            Origin
            Germany
          • 03

            Warranty & returns

            Warranty
            12 months from AMIKON
            Inspection
            Label, condition and packing checks
            Returns
            Prior RMA authorisation required
            Compatibility
            Confirm before order
            OEM warranty
            Does not apply
          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.

          • 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 6ES7231-7PD22-0XA8

          Direct answers about identity, compatibility, stock, warranty, payment and shipping.

          • Which CPU generation accepts 6ES7231-7PD22-0XA8?

            6ES7231-7PD22-0XA8 is specified for S7-22X CPUs in the SIMATIC S7-200 CN family.

          • What temperature step does 6ES7231-7PD22-0XA8 resolve?

            6ES7231-7PD22-0XA8 specifies temperature resolution of 0.1 °C or 0.1 °F.

          • Can 6ES7231-7PD22-0XA8 be connected to a 4-20 mA transmitter?

            No. 6ES7231-7PD22-0XA8 supports thermocouple and voltage inputs, not current inputs.

          • Which thermocouple types are listed for 6ES7231-7PD22-0XA8?

            The exact 6ES7231-7PD22-0XA8 sheet lists J, K, S, T, R, E and N.

          • What is the millivolt range of 6ES7231-7PD22-0XA8?

            The 6ES7231-7PD22-0XA8 voltage span is -80 to +80 mV.

          • Does 6ES7231-7PD22-0XA8 carry the same approvals as every EM 231?

            No. The 6ES7231-7PD22-0XA8 CN product is listed with CE approval only; other regional approvals must not be inferred from related variants.

          • What identifies the correct 6ES7231-7PD22-0XA8 for a purchase order?

            Retain the full 6ES7231-7PD22-0XA8 article number, including the CN 0XA8 suffix, and state the installed CPU generation.

          • What should be separated from 6ES7231-7PD22-0XA8 in a spare-parts quote?

            List 6ES7231-7PD22-0XA8 separately from the CPU, thermocouple probes and field wiring. Confirm connector inclusion and condition in the written supply scope.
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