Field Module: DFM-400 / DFM-404 / DFM-440 Product Description




The DFM-4xx products provide I/O expansion via LINKnet to DSC and DAC controllers. There are 3 model variations:

  • DFM-400: 4 inputs
  • DFM-404: 4 inputs, 4 TRIAC outputs
  • DFM-440: 4 inputs, 4 analog outputs

A UL864 UUKL Smoke Control System version of these products are available.IMPORTANT: Typically, only 2 DFMs can be used with a single controller.

LINKnet Network Limits
The LINKnet network only allows a certain number of DNS stats or DFM field modules to be connected to a controller. These limits are summarized in the following table:Note: Placing DNT products on LINKnet is NOT recommended.

* These controllers support 12 DFMs in order to support the Access Control ADM hardware.

Size and packaging guidelines

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Specification Chair Armchair Sofas
Height 37" 42" 42"
Width 26.5" 32.5" 142"
Depth 19.5" 22.5" 24.5"
Assembly Required No No Yes
Packaging Type Box Box Box
Package Weight 55 lbs. 64 lbs. 180 lbs.
Packaging Dimensions 27" x 26" x 39" 45" x 35" x 24" 46" x 142" x 25"
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Shipping & Delivery


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  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
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