DAC-1146

The DAC-1146 is a fully programmable, Native BACnetR Advanced Application Controller that either communicates on Twisted-Pair Ethernet 10-BaseT using BACnet IP and BACnet over Ethernet or an RS-485 LAN using the BACnet MS/TP protocol. It is designed for a wide-range of applications that have medium local I/O requirements. It also supports BACstats and other Delta LINKnet devices.

Application

The DAC-1146 is suitable for controlling various packaged units and equipment with medium I/O requirements such as small Air Handling Units, Boilers, and Chillers. The fully programmable DAC-1146 can be tailored to specific applications by creating and modifying BACnet objects and GCL+ programs.

Features

  • Native BACnet firmware
  • Fully programmable in GCL+
  • BACnet MS/TP communications (DAC- 1146), BACnet/IP and BACnet Ethernet (DAC-1146E)
  • Super Capacitor for real-time clock and SRAM backup (requires no maintenance) on DAC-1146E
  • Supports 10 BACstat network sensors on LINKnet for room sensing and control, or 2 Delta Field Modules on LINKnet for I/O expansion
  • Actuator power terminal (24VAC) for each analog output (can be powered internally or from an auxiliary transformer)
  • Firmware upgrade and database load/ save over the network
  • Supports Modbus capability via flash loading in the field
  • Service port
  • Screw or DIN rail mountable

BACnet Device Profile

BACnet Advanced Application Controller (B-AAC)

Inputs

11 Universal inputs - 10 bit (supporting 0-5v, 0-10v, 10kΩ, 4-20mA)

Outputs

6 Binary TRIAC outputs (jumper configured for internal or external power)

4 Analog outputs (0-10v)

LED status indication of each output

Technology

DAC-1146

32-bit processor

1 MB Flash memory

127 KB SRAM memory for database

LED indication of CPU and SCAN status

DAC-1146E

32-bit processor

2 MB Flash memory

319 KB SRAM memory for database

LED indication of CPU and SCAN status

Real-time clock

Super Capacitor for 72-hour backup of realtime clock and SRAM

Device Addressing

Set via DIP switch and jumpers, or software setup

Communications Ports

Twisted Pair Ethernet (10-BaseT) @ 10MB, BACnet IP, BACnet over Ethernet(optional)

RS-485 NETI

BACnet MS/TP @ 9600, 19200, 38400 or 76800 bps (default) (maximum of 99 devices per BACnet MS/TP segment)

RS-485 NET2

Delta LINKnet @ 76800 bps (maximum 10 devices on LINKnet, with no more than 2 DFM devices)

Connectors

Removable screw-type terminal connectors

Wiring Class

Class 2 / SELV

Power

24 VAC

14VA, 86VA with BOs fully-loaded

Ambient

32° to 131°F (0° to 55°C)

10 - 90% RH (non-condensing)

Dimensions

103⁄8 x 41/4 x 115⁄16 in. (26.2 x 10.7 x 4.9 cm) with housing

0.944 lb. (428 g) with housing

Compliance

CE

FCC

Listings

C-UL

UL 916

BTL

Tags:
Categories:
  • MS/TP Application Controllers (DAC)