32
S
ETTING
S
ERIAL
C
OMMUNICATION
P
ARAMETERS
1)
Select
USB/RS-485(MSTP)
to gather information via HeadStart software.
2)
Enter the
PC COM Port
connected to the Power Patrol.
-or-
Select one of the previously used addresses from the drop-down list.
3)
Select
Modbus
or
BACnet
as your communication protocol.
When Modbus is selected as the communication protocol the Communications screen displays a
Modbus PC COM Port section for entering port information.
Enter a
Base Address
of the meter on the upper and lower address switches. Available Modbus
addresses range from 01 (hex 01) to 247 (hex F7) max. The 00 setting is used to default the
Power Patrol communications mode to Modbus, 9600 baud, 8 bits no parity, and 1 stop bit.
When BACnet is selected as the communication protocol the Communications screen displays a
BACnet Device ID box to enter the device identification number.
4)
Enter the
Data Bits
. Default setting is 8N1.
5)
Enter the
Baud Rate
. Default setting is 9600 (Modbus) or 76,800 (BACnet).
