Data Aire DAP III Instructions

Data Aire, Inc. DAP
TM
III BACnet Integration Instructions
Engineering Document - 600-000-460
Page 5 of 13
2.2.2 For BACnet IP interface, connect an Ethernet Communications network card to
the Communication Header J1 of the DAP III Display board. See Figure 4 for the
DAP III Display board with an Ethernet card installed.
After installing the network card, go to menu 6-1 – Unit and Network ID in Group
menu 6 to set the unit network ID and to menu 6-2 –Network protocol to
configure the network protocol. Menu 6-2 to 6-7 are locked menus, refer to the
DAP III Operation Manual for the procedure of how to unlock these menus before
entering IP address. It is recommended to reset the DAP III panel after changing
the network protocol or the unit ID number.
Figure 4: DAP III Display Board With an Ethernet Communications Network Card
2.3 Network Wiring
2.3.1 For RS-485 Multidrop network connection, the 18 AWG or 22 AWG shielded,
twisted pair cable is recommended. The network wiring should be wired in the
multidrop fashion: The RS-485 devices are wired in parallel. The wiring should
start from the RS-485 port of the BMS Gateway module. See Figure 3 above for
the DAP III RS-485 network wiring terminations.
Communication Header
J1
RJ-45 Connector with Link
and Activity LED
Ethernet Communication Card
Gateway
DAP III Display board of unit
#1 with RS-485 Multidrop card
(Supplied by Data Aire.)
DAP III Display Board of unit
#2 with RS-485 Multidrop card
(Supplied by Data Aire)
RS-485 Modbus Gateway
module (Supplied by BMS
Twisted-pair Multidrop connection to Gateway module
Wiring to
next unit
BMS Computer

Data Aire DAP III Specifications

General

Brand	Data Aire
Model	DAP III
Category	Security System
Language	English