76
Q9 Plus ASD Installation and Operation Manual
BACnet
®
Setup
The
Q9 Plus ASD
is a BACnet
®
-compatible device. The BACnet
®
communications protocol is used to
support interoperable HVAC systems. This section provides useful setup and operational information for
using the BACnet
®
protocol with the Q9 Plus ASD to monitor and control HVAC systems.
Perform the following parameter changes to allow the
Q9 Plus ASD
to communicate with the BACnet
®
network:
1. Set parameter
F802
to select a unique number (Station ID)
within the network for the ASD being
configured.
2. Set parameter
F827
to
0: No Parity
.
3. Set parameter
F829
to
2: BACnet
.
4. Set parameter
F899
to
Reset Option Board and ASD
.
The
Q9 Plus ASD
is now configured to communicate with the BACnet
®
network.
S4 Pinout
The
S4
RJ-45 connector is located on the Terminal Board and is used for serial communications
connectivity.
In order to use the
S4
connector for serial communications, both
SW200
switches (
1
and
2
) must be
ON
(2-wire configuration).
Shown below is the
S4
connector pinout.
Pin Number
S4 (RJ-45) Pinout
1
Do not connect
2
GND
3
Do not connect
4
Signal RS485-A
5
Signal RS485-B
6
Do not connect
7
Do not connect
8
GND
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