Delta Controls DNS-24 User Manual

Delta Controls
Document Edition 4.2 Page 9 of 43
INPUT SCALE RANGES
Local Input Scale Ranges are selected by setting the units, from the following available
options.
Input
Valid Units
Scale Description
Application Notes
AI1
C / F
Standard 10K Thermistor (in ºC or ºF)
Only available options for AI1.
AI2
C / F
Standard 10K Thermistor (in ºC or ºF)
Available whenever the VAV
application is not enabled.
%
0-5 or 0-10v input signal (depending on
jumper) converted to a 0-100% value
Available whenever the VAV
application is not enabled.
CFM / LPS
Air Flow (in CFM or LPS) using a 0-1”
DP Sensor (Kavlico or Setra)
Fixed whenever the VAV
application is enabled.
AI3
C / F
Standard 10K Thermistor (in ºC or ºF)
Available whenever the HUM
application is not enabled.
%
0-5 or 0-10v input signal (depending on
jumper) converted to a 0-100% value
Available whenever the HUM
application is not enabled.
%RH
Built-in Custom Humidity Sensor
(optional)
Fixed whenever the HUM
application is enabled.
AI4
ppm
Built-in 0-2000ppm CO2 Sensor
Only available on DNS-24 models
BI5
On/off
Built-in motion sensor
Only available on DNS-24 models
Unless inputs are multiplexed, many of the input units and associated scale ranges are automatically
set when a built-in application is selected. Also refer to page 35 for configuring AI2 and AI3.
MS/TP CONNECTION
Only those units and associated scale ranges resident locally in the BACstat may be used.
Software & Programming
OBJECTS
The following is a list of predefined objects that reside in the BACstat II products that cannot be
created or deleted. When connected to an MS/TP network, these objects are readily accessible
over the network.
Object
Name
Description
Default Value
DEV<address>
BACstat<address> *
Device Object
N/A
AI1
Temperature
Input 1 (10K Thermistor Value)
N/A
AI2
Input 2 *
Input 2 (Available Input)
N/A
AI3
Humidity
Input 3 (Humidity on DNT-H103 DNT-H121)
N/A
Input 3 *
Input 3 (Extra Input on DNT-T103 DNT-T221)
N/A
AI4
CO2
Input 4 (CO2 on DNS-C24, DNS-CH24, DNS-
CHM24)
N/A
BI5
Motion
Input5 (Motion on DNS-M24, DNS-CHM24)
N/A
AV1
Output 1 *
Output 1 (0 – 100%, Name Changes)
N/A
AV2
Output 2 *
Output 2 (0 – 100%, Name Changes)
N/A
AV3
Output 3 *
Output 3 (0 – 100%, Name Changes)
N/A
AV4 
KeyPress
KeyPress Value
N/A
AV5 
External *
External Object Value (i.e., OAT)
Used for User Setpoint Adjust when display code
‘B’ is set to 9
N/A

Delta Controls DNS-24 Specifications

General

Brand	Delta Controls
Model	DNS-24
Category	Accessories
Language	English