BACnet Device Profile BACnet Advanced Application Controller (B-AAC) Inputs 11 Universal Inputs (10-bit) supporting: 0-5 VDC 0-10 VDC 10 kΩ Thermistor Dry Contact (using 10 kΩ Thermistor jumper setting) 4-20 mA Outputs 8 Analog Outputs (0-10 VDC) Device Addressing Set via DIP switches and jumpers, or software setup Connectors Removable screw-type terminal connectors Wiring Class Class 2 / SELV Power 24 VAC 50/60 Hz @ 20 VA Technology DAC-1180: 16-bit processor 1 MB flash memory 127 KB SRAM memory for database DAC-1180E: 16-bit processor 2 MB flash memory 319 KB SRAM memory for database Real-time clock Super Capacitor for 72-hour backup of realtime clock and SRAM Communications Ports Main LAN: Ethernet (10-BaseT) BACnet IP, BACnet over Ethernet (DAC-1146E only) or RS-485 NET1 BACnet MS/TP up to 76800 bps, max 99 devices per port SubLAN: RS-485 NET2 Delta LINKnet up to 76800 bps, max 12 devices on LINKnet with no more than 2 DFM devices Optional Modbus up to 38400 bps, max 5 devices Ambient 0° to 55°C (32° to 131°F) 10 to 90% RH (non-condensing) Dimensions 26.2 x 10.7 x 4.9 cm (10⅜ x 4¼ x 115/16 in.) with housing Weight 428 g (0.944 lb.) with housing Compliance CE FCC Listings C-UL Listed UL 916 Listed BTL Listed