Toshiba Q9+ - Page 78

BACnet Setup
Q9 Plus ASD Install/Op Manual
66 https://www.toshiba.com/tic/
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) of
the Terminal Board must be ON (2-wire
configuration).
Shown below is the S4 connector pin out.
Table 3. S4 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