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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Request 7MH4553-1AA41 quotations, documentation, and SIWAREX M scale-system matching from Apter Power.

        7MH4553-1AA41

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Siemens 7MH4553-1AA41 is a SIWAREX M weighing and batching module that connects load-cell measurement functions to SIMATIC S7-300 or ET 200M systems.
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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 7MH4553-1AA41

        • Manufacturer:
          Siemens
        • Part Number:
          7MH4553-1AA41
        • Product Family:
          Siemens Simatic S7-300
        • Product Type:
          SIWAREX M Weighing and Batching Module
        • Stock:
          1
        • Verification Capability:
          Provided
        • Supported Automation Systems:
          SIMATIC S7-300 and ET 200M
        • Bus Connector:
          Included
        • Conformity Certificate:
          EC certificate 6000D included
        • Measurement Source:
          Load-cell signal
        • Service Interface:
          RS 232C
        • Additional Serial Interface:
          TTY
        • S7 Diagnostic Records:
          DR0 and DR1
        • Adjustment Data:
          DR3; 42 bytes; EEPROM storage
        • Scale Parameters:
          DR4; 34 bytes
        • Proportioning Parameters:
          DR5; 4 bytes
        • Digital I/O Parameters:
          DR6; 8 bytes
        • RS 232 Parameters:
          DR7; 2 bytes
        • TTY Parameters:
          DR8; 2 bytes
        • Analog Output Parameters:
          DR9; 10 bytes
        • Setpoint Record:
          DR22; 4 bytes
        • Proportioning Data Record:
          DR23; 20 bytes
        • External Tare Record:
          DR28; 4 bytes
        • Primary Applications:
          Batching and filling
        • Weight:
          1.323 lbs (0.6 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 Scale Interface Record Exchange Proportioning Logic Applications

        Features:

        • Converts load-cell signals into verified weight and batching data inside a SIWAREX M module.
        • Exchanges configuration, command, weight, and status information through separate data records.
        • Performs time-critical proportioning locally while integrating with SIMATIC S7-300 or ET 200M.
        Adjustment and scale parameters are stored separately from current process values and command records.

        RS 232C, TTY, digital I/O, and analog-output paths connect service, control, and weighing functions around the module.

        The included bus connector places the module on the supported SIMATIC station for program-level data exchange.

        The Siemens 7MH4553-1AA41 SIWAREX M Weighing and Batching Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 7MH4553-1AA41 SIWAREX M Weighing and Batching 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.

        From load cell to stable weight value

        • Sensor input: The load-cell signal enters the weighing electronics before scale adjustment and filtering are applied.
        • Adjustment data: Stored adjustment values define the relationship between the electrical load-cell signal and the calculated weight.
        • Digital filtering: Configured filtering acts on the measured value before the live weight is made available to the control system.
        • Weight output: Current weight and status are exposed through process records rather than mixed with the persistent calibration records.

        Separating settings, commands, and process values

        • Persistent settings: Adjustment, scale, proportioning, serial, digital-I/O, and analog-output parameters occupy distinct data records.
        • Command path: Command records let the automation program trigger module functions without rewriting the scale definition.
        • Process path: Setpoint, proportioning, tare, weight, and status records move current operating data through the S7 interface.
        • Access rules: Each record is defined for read, write, or read/write access according to the role of its data.

        Why dosing functions execute on the module

        • Local timing: Time-critical proportioning actions run in the weighing module instead of waiting for the automation-system scan.
        • Stored setpoints: Batch setpoints and switch-off information remain with the module's proportioning records.
        • Program exchange: The S7 function interface transfers commands and results while the module handles the weighing sequence.
        • Status return: Weight and status information are read back so the automation program can follow completion and operating conditions.

        Documented weighing use for the SIWAREX M

        • Batching: The module measures material against stored setpoints and proportioning parameters during a batch sequence.
        • Filling: Filling control uses the live weight together with switch-off and wait information held by the module.
        • Verified weighing: Verification capability and the included EC conformity certificate support the documented legal-for-trade configuration.
        • SIMATIC station: The weighing function is integrated in an S7-300 or ET 200M station so process commands and results enter the automation program.
        Description
        Siemens 7MH4553-1AA41 is a SIWAREX M weighing and batching module with verification capability for SIMATIC S7-300 and ET 200M systems. It receives the load-cell measurement, calculates weight data, and makes weighing and proportioning values available to the automation program.

        Before process values leave 7MH4553-1AA41, the measurement path applies the stored adjustment, scale, filtering, tare, and limit settings. The module keeps these configuration records separate from current weight and status records so that calibration data and live process data follow different read and write rules.

        System exchange with 7MH4553-1AA41 uses S7 data records and the SIWA_M function interface, while RS 232C and TTY connections provide the documented serial paths. Digital inputs and outputs and the analog output connect weighing states and command values to the surrounding control hardware.

        For batching and filling, 7MH4553-1AA41 stores setpoints and proportioning parameters on the module and executes the time-critical proportioning functions locally. This separates the weighing sequence from the automation-system cycle while the S7 program reads weights, status, and completion information.
        Alternative Names
        7MH45531AA41 7MH4553 1AA41 Siemens 7MH45531AA41 7MH4553-1AA41 SIWAREX M 7MH4553-1AA4I 7MH4553-IAA41 7MH4S53-1AA41 SIWAREX M 7MH4553-1AA41
        Technical notes
        Siemens 7MH4553-1AA41 separates persistent adjustment and scale records from live weight and status exchange in an S7-300 or ET 200M weighing station.
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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
        Where are calibration values kept in Siemens 7MH4553-1AA41?
        Siemens 7MH4553-1AA41 stores adjustment data in DR3 and scale parameters in DR4, separate from the live weight and status records.
        Why are weighing records separated on 7MH4553-1AA41?
        The record structure of 7MH4553-1AA41 keeps persistent settings, commands, setpoints, tare values, weights, and status under the access rules required for each data type.
        How does 7MH4553-1AA41 avoid tying proportioning timing to the S7 scan?
        Time-critical proportioning functions execute locally on 7MH4553-1AA41 while the S7 interface transfers setpoints, commands, weight, and completion information.
        Which serial paths are available for service or data access on 7MH4553-1AA41?
        7MH4553-1AA41 provides documented RS 232C and TTY interfaces, with their parameters stored in DR7 and DR8.
        What happens to adjustment access after verification acceptance on 7MH4553-1AA41?
        After verification acceptance, the DR3 adjustment record of 7MH4553-1AA41 is restricted to read access, preserving the accepted adjustment values.
        How does 7MH4553-1AA41 connect weighing states to external control hardware?
        7MH4553-1AA41 uses digital inputs and outputs plus an analog output alongside the S7 record interface for surrounding command and signal exchange.

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