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      6ES7421-7BH01-0AB0

      DIGITAL INPUT MODULE
      In Stock
      Siemens 6ES7421-7BH01-0AB0
      Siemens 6ES7421-7BH01-0AB0
      Siemens 6ES7421-7BH01-0AB0
      Siemens 6ES7421-7BH01-0AB0
      Siemens 6ES7421-7BH01-0AB0
      Siemens 6ES7421-7BH01-0AB0
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      DIGITAL INPUT MODULE
      SIMATIC S7-400
      SM 421
      24 VDC
      ISOLATED
      0.05 MS INPUT DELAY ALARM
      DIAGNOSTICS

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      What happens after you enquire

      • 1

        Requirement review

        We review the part number, quantity and delivery requirements and ask for any missing details.
      • 2

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      Technical specifications for 6ES7421-7BH01-0AB0

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        6ES7421-7BH01-0AB0
      • Estimated shipping dimensions:
        2.3x22.3x28.8cm
      • Weight:
        0.6 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        Germany
      • Operating Voltage:
        24VDC
      • Current Consumption:
        Max. 10mA per channel
      • Input Channels:
        8
      • Signal Types Supported:
        Dry Contact, Pulse
      • Operating Temperature Range:
        -25°C to +60°C
      • Enclosure Type:
        IP20
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      FAQ View All FAQ

      • What is 6ES7421-7BH01-0AB0?
        This is a digital input (DI) module for Siemens S7-400 series PLCs. Specifically, it's model SM421, a 16-channel, 24V DC input module, belonging to the high-density standard signal acquisition modules of the S7-400 automation system.
      • What is the use of 6ES7421-7BH01-0AB0?
        Its main function is to acquire 24V DC switching signals from the field and transmit the status to the S7-400 CPU.
      • Which systems is 6ES7421-7BH01-0AB0 compatible with?
        Its compatibility is strictly limited to the Siemens S7-400 system ecosystem.
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          Siemens 6ES7421-7BH01-0AB0
          Siemens 6ES7421-7BH01-0AB0
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          Siemens 6ES7421-7BH01-0AB0
          Siemens 6ES7421-7BH01-0AB0