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7MH4950-2AA01

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Siemens 7MH4950-2AA01 is a SIWAREX U2 two-channel weighing module for connecting two platform or hopper scales to SIMATIC S7-300 or ET 200M.
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Technical specifications for 7MH4950-2AA01

  • Manufacturer:
    Siemens
  • Part Number:
    7MH4950-2AA01
  • Product Family:
    Siemens ET 200M
  • Product Type:
    SIWAREX U2 Two-Channel Weighing Module
  • Stock:
    1
  • Weighing Channels:
    Two independent channels
  • Scale Types:
    Two platform or hopper scales
  • Sensor Input:
    Analog full-bridge load cells or strain gauges
  • Load Cell Signal:
    1 to 4 mV/V
  • Serial Interface:
    RS232
  • Weight:
    0.529 lbs (0.24 kg)
  • Estimated shipping dimensions:
    4.8x13x15cm
  • 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 Channels Load Cells Serial Link System Integration

Features:

  • Two independent weighing channels for two scales
  • Analog interfaces for full-bridge load cells or strain gauges
  • RS232 serial connection for the documented weighing arrangement
The Siemens 7MH4950-2AA01 order number identifies the SIWAREX U2 module variant with two measurement channels in one module.

On Siemens 7MH4950-2AA01, the specified analog input signal range is 1 to 4 mV/V per channel.

Rather than sharing the sensor paths, Siemens 7MH4950-2AA01 uses its RS232 connector independently of the two analog measurement connections.

The Siemens 7MH4950-2AA01 SIWAREX U2 Two-Channel Weighing Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 7MH4950-2AA01 SIWAREX U2 Two-Channel Weighing 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.

Two-scale architecture

  • Channel count: Two weighing channels serve two platform or hopper scales.
  • Sensor type: Each channel accepts analog full-bridge load cells or strain gauges.
  • Station role: The module adds weighing functions within SIMATIC S7-300 or ET 200M hardware.

Measurement inputs

  • LC interfaces: Two LC interfaces provide one measurement connection for each scale.
  • Bridge signals: The interfaces are specified for 1 to 4 mV/V load-cell or strain-gauge bridges.
  • Signal grouping: Separate channel paths keep the two scale inputs individually assigned.

Service connection

  • Port: One RS232 interface is included on the SIWAREX U2 module.
  • Role: The serial path is distinct from the two analog load-cell interfaces.
  • Planning: Confirm the required serial connection while defining the two-scale configuration.

Station placement

  • S7-300: SIWAREX U2 is specified for SIMATIC S7-300 installations.
  • ET 200M: The same module is specified for ET 200M distributed I/O stations.
  • Scale count: The two-channel design should be aligned with two connected weighing points.
Description
Siemens 7MH4950-2AA01 is used in SIWAREX U2 weighing applications that connect platform or hopper scales to a SIMATIC S7-300 or ET 200M station.

Each measurement path in 7MH4950-2AA01 receives a separate analog full-bridge load cell or strain-gauge signal, keeping the two scale signals assigned to their own channels.

The load-cell interfaces on 7MH4950-2AA01 organize the sensor wiring for two independent weighing points rather than combining both scales in one path.

An RS232 interface on 7MH4950-2AA01 provides the documented serial connection for the weighing installation.
Alternative Names
7MH49502AA01 7MH4950 2AA01 7MH4950-2AA0I 7MH4950-2AAO1 7MH 4950-2AA01 SIWAREX U2 SIWAREX U 2 SIWAREX U2 weighing module
Technical notes
Siemens 7MH4950-2AA01 uses separate analog load-cell paths and an RS232 interface for two-scale SIWAREX U2 configurations.
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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.
How should two scales be assigned to Siemens 7MH4950-2AA01?
Assign each platform or hopper scale to its own load-cell interface and weighing channel on Siemens 7MH4950-2AA01.
Which sensor construction should be verified before wiring Siemens 7MH4950-2AA01?
Confirm that the connected sensors are analog full-bridge load cells or strain gauges before wiring Siemens 7MH4950-2AA01.
Why must the sensor signal range be checked for Siemens 7MH4950-2AA01?
The connected load-cell signal must fall within the documented input range of Siemens 7MH4950-2AA01 for the channel to measure correctly.
Where does the serial connection fit in a Siemens 7MH4950-2AA01 weighing design?
The RS232 interface on Siemens 7MH4950-2AA01 is the documented serial connection alongside the two load-cell measurement paths.
What station arrangement is required for Siemens 7MH4950-2AA01?
Siemens 7MH4950-2AA01 is designed for SIWAREX U2 weighing functions in SIMATIC S7-300 or ET 200M stations.