Bacnet® Setup; S4 Pinout - Toshiba Q9+ Installation & Operation Manual

BACnet Setup
Q9 Plus ASD Install/Op Manual
BACnet ® Setup
The Q9 Plus ASD is a BACnet
®
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
66

S4 Pinout

The
®
Board and is used for serial communications
-compatible device.
connectivity.
In order to use the S4 connector for serial
communications, both
the Terminal Board must be ON (2-wire
configuration).
Shown below is the S4 connector pin out.
®
®
network.
S4 RJ-45 connector is located on the Terminal
SW200 switches (1 and 2) of
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
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