Description

This addition to the BACstat II family of network sensors and thermostats is a LINKnet only version of the DNS-24. The DNS-24L is an intelligent room sensor with a custom LCD display and 4 push buttons for user control. Both the LCD display and the push buttons can be fully programmed via GCL+ over the LINKnet network.

Application

The DNS-24L is used for applications that require one

or more low cost, programmable sensors with LCD

display and push button control.

Features

—Built-in 10k½ thermistor
—Optional terminal block for wiring a remote

thermistor to the temperature input
—Optional built-in humidity sensor
—LINKnet communications
—Programmable 3-value, 96 segment, LCD display

(via GCL+ over LINKnet) with optional backlighting —4 Programmable Buttons (via GCL+ over LINKnet) —Optional buttons for fan speed control when used

with Delta Fan Coil Controllers (DFC’s) —Service port

Specifications

LCD

3-value and various icons (96 total segments)

with optional backlighting Push Buttons

4 stylized momentary push buttons Temperature Sensor

Thermistor Input – 10k½ @ 77ºF

(25ºC)

Accuracy of +/- 0.36ºF from 32° - 158ºF

(+/- 0.2ºC from 0 - 70ºC)

Display Resolution of 0.1 º
Stability of 0.24 ºF over 5 years (0.13 ºC) Humidity Sensor

Accuracy of +/- 3%RH from 20% -80% RH

(linearized accuracy of +/- 3% to +/- 5% from

0-20% and 80-100% RH)

Display Resolution of 0.1% Stability of < 0.5% RH/yr (typical) Technology

8-bit processor with internal A/D, Flash, and

RAM
Device Address

Set via DIP switches Communications Port

Delta LINKnet @ 76800 bps

(maximum 12 devices, depending on the

controller, with no more than 2 DFM devices

per LINKnet segment)

Connectors

Screw-type terminal connectors