Description

The DFM-400/404/440 provide remotely expandable I/O to Delta’s BACnet® Controllers. These field modules provide 4 universal inputs, in three different output configurations, and are capable of communicating on Delta’s LINKnet network or directly on an RS-485 BACnet MS/TP network (DFM-400 model only).

When connected to a LINKnet network the DFM-400/404/440 provides remote input and programmable output capabilities to the controller. When connected on the MS/TP network (DFM-400 only) the modules function as independent BACnet devices with inputs accessible over the BACnet MS/TP network.

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

Specifications

BACnet Device Profile

BACnet Application Specific Controller (B-ASC)

Inputs

4 Universal Inputs (10-bit) supporting: 0-5 VDC
0-10 VDC
10 kΩ Thermistor
4-20 mA
Dry Contact (using 10 kΩ Thermistor jumper setting)

Outputs

DFM-400: None

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

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

Device Addressing

Set via DIP switches and jumpers

Connectors

Removable screw-type terminal connectors

Wiring Class

Class 2