DNS-24/H24
Description: The DNS-24/H24B is an intelligent room sensor with a custom 3-line, 96 segment, LCD display that is used with Delta’s BACnet Controllers. The DNS-24 can communicate on Delta’s LINKnet network or directly on a BACnet MS/TP network.
The DNS-24 displays a wide-range of digital or analog values, including setpoints, temperature, air flow, heating and cooling status, fan speed, valve, and damper position. When connected to a Delta Controller on a LINKnet network, the DNS-24 provides programmable remote sensor capabilities to the controller. When connected on a BACnet MS/TP network, the DNS-24 functions as an independent BACnet sensor device.
Features:
- Native BACnet™ firmware
- BACnet MS/TP or LINKnet communications
- Built-in 10kΩ thermistor
- Optional built-in humidity sensor
- Programmable (via GCL+ over network), 3-value, 96 segment, LCD display with optional backlighting
- 4 Programmable buttons (via GCL+ over network)
- Derived Network Addressing (DNA) for simple integration into a standard network architecture
- Optional terminal block for wiring a remote thermistor to the temperature input
- Service port
Application: The DNS-24 is used for applications that require one or more low cost, programmable sensors with informative LCD and buttons.
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-24 with the desired options according to the following product numbers:
- DNS-24—Internal Thermistor
- DNS-24-UL864—Same as previous, but with UL 864 Listing
- DNS-24B—Internal Thermistor, Backlighting
- DNS-24X—Internal Thermistor, External Thermistor, Terminator
- DNS-24BX—Internal Thermistor, External Thermistor Terminator, Backlighting
- DNS-24HB—Internal Thermistor, 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-24B-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 2 buttons are INCREASE and DECREASE Fan Speed
BACnet Device Profile
BACnet Application Specific Controller (B-ASC)
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 +/-2% RH from 0-100% RH (25°C, Vsupply = 5Vdc)
Display resolution of 0.1%
Stability of +/- 1% RH (typical at 50% RH over 5 years)
Note: Extended exposure to >90% RH causes
a reversible shift of 3% RH
Technology
8-bit processor with internal A/D, Flash and
RAM
Device Type
Configured as a LINKnet or Subnet device
Device Addressing
Set via keypad
Communications Ports
BACnet MS/TP @ 9600, 19200, 38400, 76800 bps (maximum 99 devices per BACnet MS/TP segment)
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
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, Class B
Listings
UL 916 Listed
UL 864 Listed (DNS-24-UL864 only)
BTL Listed