Application

The DFM-400/404/440 suits a diverse range of application needs where additional inputs and outputs are required, or where a small number of I/O’s are remotely located.

Features

• Native BACnet device (DFM-400 only) supporting communication on an RS-485 BACnet MS/TP network
• Supports communicating on LINKnet
• Easy-to-mount housing
• Derived Network Addressing (DNA) for simple integration into a standard network architecture
• Extended temperature range for extreme ambient situations

BACnet Device Profile

BACnet Application Specific Controller (B-ASC)

Inputs

4 Universal inputs – 10 bit (supporting 0-5v, 0-10v, 10kΩ, 4-20mA)

Outputs

DFM-400: None

DFM-404: 4 Binary triac outputs, 0.5 Amp @ 24 VAC, jumper selection for internal or external power on binary outputs, LED status indication

DFM-440: 4 Analog outputs (0-10v), maximum 20 mA, LED status indication

Technology

8-bit Processor with internal A/D, Flash and RAM

Device Address

LINKnet Connection, set via DIP switch and jumpers, DIP switch address range: 1 to 12

Communications Ports

LINKnet Connection, Delta LINKnet @ 76800 bps BACnet MS/TP connection @ 9600, 19200, 38400 or 76800 bps(default) (maximum of 99 controllers per BACnet MS/TP segment) (DFM-400 only)

Connectors

Removable screw-type terminal connectors

Wiring Class

Class 2

Power

24 VAC

6 VA

DFM-400: 4 VA

DFM-404: 52 VA

DFM-440: 6 VA

Ambient

-40° to 140°F (-40° to 60°C), with enclosure

10 - 90% RH (non-condensing)

Internal electronics rated from -40° to 85°

Dimensions

5.5 x 4.0 x 1.78 in. (13.75 x 10 x 4.8 cm) with housing

0.38 lb. (171 g) with housing

Compliance

CE

FCC

Listings

UL 916 Listed

UL 864 Listed (DFM-400-UL864, DFM-404-UL864, DFM-440-UL864 only)