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DFI21B
DFI21B

SEW | DFI21B | Inverter Bus Communication Card


  • Part Number:

    DFI21B
  • Weight:

    0.5 kg
  • Dimensions:

    10.5 cm x 31.4 cm x 23.4 cm
  • Manufacture Year:

    2022
  • Place of Origin:

    USA
  • Certification:

    CO,CQ
  • Description:

    Inverter Bus Communication Card

Product Description:

The DFI21B option card must be plugged into the fieldbus slot.
Observe the following notes before installing or removing an option card:
●Disconnect the inverter from power. Switch off the DC 24 V and the supply voltage.
Take appropriate measures to protect the option card from electrostatic charge (use
discharge strap, conductive shoes, etc.) before touching it.
●Before installing the option card, remove the keypad and the front cover.
●After installing the option card, replace the front cover and the keypad.
●Keep the option card in its original packaging. Do not remove the option card from
the packaging until immediately before you are ready to install it.
●Hold the option card by its edges only. Do not touch any components.


Manager John quotes to you

 sales3@askplc.com         +86 18150117685


  +86 18150117685             +86 18150117685



1)Fast delivery: 
2)Various payment:  
3)Long warranty:  we offer original new with 1 year warrenty 


4)Large inventory: Our warehouse is capable of holding up to 60,000 pallet spare parts.

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