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      Siemens 6ES7231-7PD22-0XA0
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
      Ships by Monday, November 16

      6ES7231-7PD22-0XA0

      Four-channel Thermocouple Input Module

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          PRODUCT DESCRIPTION

          6ES7231-7PD22-0XA0 Four-channel Thermocouple Input Module

          Siemens 6ES7231-7PD22-0XA0 is the EM 231 four-channel thermocouple input module for SIMATIC S7-200 S7-22x controllers. It accepts thermocouple types E, J, K, N, R, S and T as well as a +/-80 mV input range. The sigma-delta conversion presents signed 16-bit values, with temperature values represented in increments of 0.1 degrees C or F.

          All four channels update within the documented 405 ms interval. The input arrangement has a 1 Mohm resistance, permits a maximum 100-ohm loop resistance and supports shielded signal cables up to 100 m. Its electronics draw 60 mA from L+ and 87 mA from the 5 V backplane, while typical dissipation is 1.8 W; the documented cold-junction compensation error is +/-1.5 degrees C.
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          ACTUAL APPLICATIONS

          Application fields for 6ES7231-7PD22-0XA0

          These broad application fields reflect the documented function and technical characteristics of 6ES7231-7PD22-0XA0.
          • 01 · POWER GENERATION

            Renewable Power and Conventional Electricity

            Renewable power and conventional electricity generationIndustrial energy integration and hydroelectric generation
          • 02 · WATER & WASTEWATER

            Municipal Water and Environmental Treatment

            Municipal water and environmental wastewater treatmentIndustrial water reclamation and municipal wastewater treatment
          • 03 · PHARMACEUTICALS

            Pharmaceuticals and Public Healthcare

            Pharmaceuticals and general public healthcarePharmacy and general public health

          Technical specifications for 6ES7231-7PD22-0XA0

          • Product Model
            6ES7231-7PD22-0XA0
          • Product Parameters
            Four-channel Thermocouple Input Module
          • In stock
            1 unit
          • Manufacturer
            Siemens
          • Thermocouple input channels
            4
          • Supported thermocouple types
            E, J, K, N, R, S, T
          • Millivolt input range
            +/-80 mV
          • Input resistance
            1 Mohm
          • Maximum shielded cable
            100 m
          • Maximum loop resistance
            100 ohms
          • Conversion method
            Sigma-delta
          • Resolution
            16 bits including sign
          • Temperature representation
            0.1 degrees C or F
          • All-channel update time
            405 ms
          • Maximum input voltage before destruction
            30 V
          • L+ current consumption
            60 mA
          • Backplane 5 V current
            87 mA
          • Typical dissipation
            1.8 W
          • Cold-junction compensation error
            +/-1.5 degrees C
          View all additional
          Ask for Quote

          Alternative Names

          6ES7231-7PD22-0XA0 SIMATIC S7-200 EM 231 Four-channel Thermocouple 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 6ES7231-7PD22-0XA0 within SIMATIC S7-200 EM 231

          Use the EM 231 thermocouple version with an applicable S7-22x CPU and allocate the module channels in the S7-200 project. Select the thermocouple type and temperature unit for the connected sensors. The millivolt input mode and the linearized temperature modes require different interpretation in the controller program.
          Follow the thermocouple terminal polarity and the specified cold-junction arrangement. Keep the shielded cable length within 100 m and the sensor loop resistance within 100 ohms. Route low-level thermocouple wiring away from switching power conductors, and retain the reference and shielding connections shown in the installation documentation.
          Budget both the 24 V load supply and 5 V backplane current before extending the station. Allow for the 405 ms all-channel update interval in alarm and trend processing. During commissioning, compare each indicated value with a known reference and check that the configured sensor type and temperature units match the actual channel.

          Features:

          • Thermocouple input channels: 4
          • Supported thermocouple types: E, J, K, N, R, S, T
          • SIMATIC S7-200 EM 231
          Use 6ES7231-7PD22-0XA0 only within the documented SIMATIC S7-200 EM 231 arrangement and applicable installation instructions.
          INTERCHANGEABILITY

          Replace 6ES7231-7PD22-0XA0 within SIMATIC S7-200 EM 231

          Record the complete EM 231 article number, sensor type, temperature unit and CPU configuration before exchange. This four-channel thermocouple module has different input characteristics from an RTD or general analog module. Preserve the channel assignments and controller scaling rather than transferring settings from a similar-looking expansion module.
          Identify the thermocouple polarity and terminal reference connections before disconnecting the wiring. Inspect sensor extension leads and the shielding terminations, and maintain the documented cold-junction conditions. The 30 V destruction limit does not authorize applying a 24 V test supply to a low-level thermocouple measuring input.
          After fitting the replacement, restore the configured thermocouple selection and verify the temperature units. Compare readings at a known temperature and check the response over the specified update interval. Separate sensor, lead and cold-junction errors from module faults when assessing a remaining offset on an individual channel.

          Features:

          • 6ES7231-7PD22-0XA0 complete order code
          • Cold-junction compensation error: +/-1.5 degrees C
          • Retain the documented SIMATIC S7-200 EM 231 connection arrangement
          Use 6ES7231-7PD22-0XA0 only within the documented SIMATIC S7-200 EM 231 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 6ES7231-7PD22-0XA0
          • Document applicability checked against the complete identity
          • Directory links by subcategory and brand
          Documentation for 6ES7231-7PD22-0XA0 must match the installed product identity and supplied configuration.

          Also searched as

          6ES7214-1BD23-0XB8 6ES7235-0KD22-0XA8 6ES7232-0HB22-0XA0 6ES7221-1BH22-0XA8 6ES7288-2DR08-0AA0

          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

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          • 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
            0.21 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 6ES7231-7PD22-0XA0

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

          • Which CPU generation supports 6ES7231-7PD22-0XA0?

            6ES7231-7PD22-0XA0 is specified for SIMATIC S7-200 S7-22x controllers.

          • Which thermocouple types are accepted by 6ES7231-7PD22-0XA0?

            6ES7231-7PD22-0XA0 lists types E, J, K, N, R, S and T.

          • Can 6ES7231-7PD22-0XA0 read a millivolt signal?

            Yes. 6ES7231-7PD22-0XA0 provides a +/-80 mV input range in addition to its thermocouple selections.

          • How quickly does 6ES7231-7PD22-0XA0 update four channels?

            6ES7231-7PD22-0XA0 specifies a 405 ms update time for all channels.

          • What wiring limits apply to 6ES7231-7PD22-0XA0?

            6ES7231-7PD22-0XA0 specifies a maximum 100 m shielded signal cable and 100-ohm loop resistance.

          • What cold-junction error is specified for 6ES7231-7PD22-0XA0?

            6ES7231-7PD22-0XA0 lists a cold-junction compensation error of +/-1.5 degrees C.

          • What should an 6ES7231-7PD22-0XA0 quotation state?

            Identify 6ES7231-7PD22-0XA0 as the four-channel EM 231 thermocouple module and state the supplied terminal hardware and item condition.

          • Which information helps a distributor match 6ES7231-7PD22-0XA0?

            Provide the full 6ES7231-7PD22-0XA0 order code, CPU generation, thermocouple types and temperature units; these distinguish the required module from other analog expansion variants.
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