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3.3
Configuring Modbus Device Communications
3.3.1 Input COM Settings on Any Device Connected to the ProtoAir
•
Any connected serial device MUST have the same baud rate, data bits, stop bits, and
parity settings as the ProtoAir.
•
Figure 5
specifies the device serial port settings required to communicate with the ProtoAir.
Protocol
Baud Rate
Parity
Data Bits
Stop Bits
3.3.2 Set the Station Address for Any Device Attached to the ProtoAir
•
Set the Station Address for the device attached to ProtoAir. The Station Address needs to be
uniquely assigned between 1 and 255.
•
Document the Station Address that is assigned. The Station Address assigned is used for
deriving the Device Instance for BACnet/IP and BACnet MS/TP (Section 6.5)
NOTE: The Metasys N2 and Modbus TCP/IP field protocol Station Addresses are automatically set
to be the same value as the Station Address of the device.
3.4
Attaching the Antenna
Wi-Fi Antenna:
Screw in the Wi-Fi antenna to the front of the unit as shown in
NOTE: Using an external antenna is also an option. An external antenna can be plugged into the
SMA connector. The best antenna for the job depends on the range, topography and
obstacles between the two radios.
Port Setting
Figure 5: COM Settings
Page 11 of 63
Bosch ProtoAir Start-up Guide
Device
Modbus RTU
9600
None
8
2
Figure
52.
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