DNS-24L
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.
Features:
- Built-in 10kΩ thermistor
- Optional terminal block for wiring a remote thermistor to the temperature input
- Service port
- Optional built-in humidity sensor
- LINKnet communications
- Programmable 3-value, 96 segment, LCD display (via GCL+ over network), with optional backlighting
- 4 Programmable buttons (via GCL+ over network)
- Optional buttons for fan speed control when used with Delta Fan Coil Controllers (DFC's)
- Service port
Application: The DNS-24L is used for applications that require one or more low cost, programmable sensors with LCD display and push-button control.
Accessories:
- RPT-768—Delta Network Repeater for BACnet MS/TP
- TRM-768—Delta Network Terminator for BACnet MS/TP
- CON-768—Delta Network Converter
Ordering: Order the DNS-24L with the desired options according to the following product numbers:
- DNS-24L—Internal Thermistor Input
- DNS-24LB—Internal Thermistor Input, Backlighting
- DNS-24LX—Internal Thermistor Input, External Thermistor Terminator
- DNS-24LBX—Internal Thermistor Input, Backlighting, External Thermistor Terminator
- DNS-H24LB—Internal Thermistor Input, Internal
- Humidity Input, Backlighting, External Thermistor Terminator
Note: Include one of the following button icon codes to indicate which one to emboss on the product. If not indicated, the product is shipped with the default button icons (example, DNS-24LB-FAN or DNS-24LX-INT).
Default—Bottom 2 buttons are 'down' & 'up' arrows (Setpoint Adjust), top 2 buttons are OFF and ON
-INT—Bottom 2 buttons are 'down' & 'up' arrows (Setpoint Adjust), top 2 buttons are O and I (International)
-FAN—Bottom 2 buttons are 'down' & 'up' arrows (Setpoint Adjust), top left button (ON/OFF), top right-button (Fan speed)
LCD
3-value and various icons (96 total segments) with optional backlighting
Push Buttons
4 stylized momentary push buttons
Temperature Sensor
Thermistor input - 10kΩ at 77°F (25°C)
Accuracy +/-0.36°F from 32-158°F (+/-0.2°C from 0-70°C)
Display resolution of 0.1°
Stability 0.24°F over 5 years (0.13°C)
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 Addressing
Set via DIP switches
Communications Port
Delta LINKnet @ 76800 bps (default) or 38400 bps (maximum 12 devices, depending on the controller, with no more than 2 DFM devices per LINKnet segment)
Connectors
Screw-type terminal connectors
Wiring Class
Class 2
Power
24V AC
5 VA
Ambient
32° to 131°F (0° to 55°C)
10 - 90% RH (non-condensing)
Dimensions
5 x 3.25 x 1 in. (12.7 x 8.3 x 2.5 cm)
0.3 lb. (120 g)
Compliance
CE
FCC
Listings
UL 916 Listed