DAC-1146
DAC-1146
The DAC-1146 is a fully programmable, Native BACnet™ 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 which requires no maintenance (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 (24 VAC) 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:
- 0-5VDC
- 0-10VDC
- 10KΩ
- 4-20mA
Outputs
6 Binary TRIAC Outputs (jumper configured for internal or external power)
4 Analog Outputs (0-10VDC)
LED status indication of each output
Technology
DAC-1146
32-bit processor
1MB flash memory
127KB SRAM memory for database
LED indication of CPU and SCAN status
DAC-1146E
32-bit processor
2MB flash memory
319KB 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 NET1
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
14 VA, 86 VA 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
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Categories:
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MS/TP Application Controllers (DAC)
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Products
Access Control
User Interfaces
Small Sites
Large Scale Applications
Lighting
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Supervisory Software
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HVAC
General Purpose Programmable I/O Controllers
System Controllers (DSC) - Gen. Purpose
Ethernet Application Controllers (DAC-E) - Gen. Purpose
MS/TP Application Controllers (DAC)
Central Plant Controllers
Network Sensors & IO Expansion Modules
Individual Zone Controllers
Configurable
Programmable
Ethernet & PoE
Ethernet System Controllers (DSC-E)
Ethernet Application Controllers (DAC-E)
Power over Ethernet Controllers (DxC-PoE)
Ethernet VAV Controllers (DVC-E)
Delta Difference
Done