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      Siemens TXM1.8U
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
      Ships by Saturday, November 14

      TXM1.8U

      Eight-Point Universal I/O Module

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          PRODUCT DESCRIPTION

          TXM1.8U Eight-Point Universal I/O Module

          Siemens TXM1.8U is an eight-point universal module in the TX-I/O range. Each point can be configured for the supported digital input, pulse or counter function, analog sensor input, 0 to 10 V voltage input or 0 to 10 V voltage output. The assembly combines a terminal base with a plug-in I/O module and provides LED signal and fault indication.

          The module operates from the side bus connection at 21.5 to 26 V DC and consumes up to 1.5 W. Its voltage output has 1 mV resolution and a maximum current of 1 mA. Electronic pulse counting permits up to 100 Hz, while mechanical counting permits up to 25 Hz. TXM1.8U is distinct from the TXM1.8U-ML version with additional local override and LCD indication.
          BEFORE YOU BUY

          Confirm the complete TXM1.8U identity

          Send a label photo for review >>
          ACTUAL APPLICATIONS

          Application fields for TXM1.8U

          These broad application fields reflect the documented function and technical characteristics of TXM1.8U.
          • 01 · CHEMICALS

            Inorganic Chemicals and Organic Chemicals

            Inorganic chemicals and general chemical specialtiesOrganic chemicals and related industrial petrochemicals
          • 02 · OIL & GAS

            Petroleum and Associated Natural Gas

            Conventional petroleum and associated natural gasOffshore natural gas and onshore petroleum applications
          • 03 · WATER & WASTEWATER

            Urban Water and Industrial Wastewater

            Urban water supply and municipal wastewaterIndustrial wastewater and industrial water reuse

          Technical specifications for TXM1.8U

          • Product Model
            TXM1.8U
          • Product Parameters
            Eight-Point Universal I/O Module
          • In stock
            1 unit
          • Manufacturer
            Siemens
          • Universal I/O points
            8; individually configurable
          • Bus operating voltage
            21.5 to 26 V DC
          • Maximum module consumption
            1.5 W
          • Analog voltage input
            0 to 10 V DC
          • Resistance input range
            0 to 2500 ohm
          • Analog voltage output
            0 to 10 V DC
          • Voltage-output resolution
            1 mV
          • Maximum output current
            1 mA
          • Electronic pulse count frequency
            100 Hz maximum
          • Mechanical pulse count frequency
            25 Hz maximum
          • Contact sensing voltage
            21.5 to 25 V DC
          • Steady contact sensing current
            1 mA
          • Closed-contact resistance
            200 ohm maximum
          • Open-contact resistance
            50 kohm minimum
          • Operating temperature
            0 to 50 C
          View all additional
          Ask for Quote

          Alternative Names

          TXM1.8U Siemens TX-I/O Eight-Point Universal I/O 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 TXM1.8U within Siemens TX-I/O

          Configure every universal point for the actual signal type before connecting the field circuit. The data sheet provides separate arrangements for contacts, voltage, resistance, supported temperature sensors and voltage outputs. Do not treat an unconfigured point as an enabled analog output.
          Provide the specified bus supply and include the TXM1.8U maximum 1.5 W consumption in the power calculation. Keep an analog output within 1 mA and use the associated point neutral for analog wiring. Follow the documented common-neutral and field-supply terminal arrangement.
          Select the appropriate electronic or mechanical counter setting and respect its separate frequency limit. Install the terminal base and plug-in module under the TX-I/O instructions with ventilation suitable for 0 to 50 C. Verify point assignments and indications after configuration.

          Features:

          • Universal I/O points: 8; individually configurable
          • Bus operating voltage: 21.5 to 26 V DC
          • Siemens TX-I/O
          Use TXM1.8U only within the documented Siemens TX-I/O arrangement and applicable installation instructions.
          INTERCHANGEABILITY

          Replace TXM1.8U within Siemens TX-I/O

          Record TXM1.8U in full and retain the I/O point configuration and terminal-base arrangement. The -ML version has additional local operation and a different power figure; do not assign its display or consumption specification to the standard module.
          Make the connected field circuits safe and use the documented module exchange and terminal-isolation procedure. Preserve the field wiring and point labels, and inspect the terminal base and side bus contacts before inserting the spare.
          Restore the point functions and test the required digital, analog or counting signals. Check LED indications and the actual voltage-output load where used. Confirm the remaining modules retain their expected operation before returning the replaced points to service.

          Features:

          • TXM1.8U complete order code
          • Operating temperature: 0 to 50 C
          • Retain the documented Siemens TX-I/O connection arrangement
          Use TXM1.8U only within the documented Siemens TX-I/O 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 TXM1.8U
          • Document applicability checked against the complete identity
          • Directory links by subcategory and brand
          Documentation for TXM1.8U must match the installed product identity and supplied configuration.

          Also searched as

          QBM81-3 GLB341.1E GEB161.1E PPM-1U32.BPF PPM-1U32.PPF

          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
            6.40 x 9.00 x 7.75 cm
            Net weight
            0.18 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 TXM1.8U

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

          • Can the eight points of TXM1.8U be assigned different signal types?

            Yes. TXM1.8U provides eight individually configurable universal I/O points. Restore the intended point configuration before reconnecting the field circuits.

          • How does TXM1.8U distinguish electronic and mechanical pulse limits?

            TXM1.8U lists up to 100 Hz for electronic pulses and 25 Hz for mechanical pulses. Use the limit corresponding to the connected source.

          • What load can a voltage output of TXM1.8U drive?

            The 0 to 10 V DC output of TXM1.8U is limited to 1 mA. Check the receiving circuit's demand before assigning a point as an output.

          • Which contact resistance indicates an open circuit to TXM1.8U?

            TXM1.8U specifies at least 50 kohm for an open contact and no more than 200 ohm for a closed contact. Compare both limits when checking field contacts.

          • What resistance-input span is available on TXM1.8U?

            The resistance-input range documented for TXM1.8U is 0 to 2500 ohm. Select the matching point function and connected element.

          • Which operating bus voltage must be present at TXM1.8U?

            TXM1.8U requires 21.5 to 26 V DC from the TX-I/O bus. Verify that voltage before attributing missing point indications to the module.

          • What point schedule should be supplied with an enquiry for TXM1.8U?

            List the required input/output mode of each of the eight TXM1.8U points, including pulse source type or voltage-output load. The universal label alone leaves those choices unresolved.

          • How should procurement distinguish TXM1.8U from a fixed digital-input module?

            An offer for TXM1.8U should retain the TX-I/O universal eight-point identity and specify included terminal hardware. A fixed digital-only module is not identified by this code.
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