Bacnet® Setup; S4 Pinout - Toshiba Q9 Plus ASD Quick Start Manual

BACnet
®
The Q9 Plus ASD is a BACnet
support interoperable HVAC systems. This section provides useful setup and operational information for
using the BACnet
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

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 pinout.
66
Setup
®
-compatible device. The BACnet
®
protocol with the Q9 Plus ASD to monitor and control HVAC systems.
Pin Number
1
2
3
4
5
6
7
8
®
communications protocol is used to
®
network.
S4 (RJ-45) Pinout
Do not connect
GND
Do not connect
Signal RS485-A
Signal RS485-B
Do not connect
Do not connect
GND
Q9 Plus ASD Quick Start Guide
®