Setting the Network Address Switches
There are two rotary network address switches on a serial PowerScout 3 Plus, labeled Upper and Lower.
These two switches are used to select the BACnet/Modbus address the client uses to communicate with
the PowerScout.
The rotary switches are 16-position, hexadecimal switches. The default factory setting is hex 01. The
address is a hexadecimal (hex) value, represented by the digits 0 through 9 and letters A through F. For
example, a network address of 100 in decimal is converted to 64 hexadecimal and set on the
PowerScout 3 Plus by:
Upper switch—select 6
Lower switch—select 4
In some cases the hex value may need to be converted to decimal when entered into the RTU or data
logger. See the Appendix for a hexadecimal conversion table.
There are three rotary decimal network address switches on the PowerScout 24 used to select the
BACnet/Modbus address the client uses to communicate with the PowerScout.
The BACnet MS/TP MAC and Modbus address is a decimal value, represented by three digits: 000
through 009, 010-090, and 100-999.
Note:
BACnet MS/TP masters only support addresses 001–127.
Hexadecimal
Address
(PS3)
Decimal Address
(PS24)
BACnet Address Availability
00
000
Reserved for resetting the PowerScout to Modbus mode with 9600 baud,
8 bit, 1 stop bit and no parity.
01-7F
001-127
Available (01/001 is the factory default setting).
80-FE
128-254
Reserved for BACnet slave devices.
FF
255
The rotary switches can be used to configure the communication protocol
to BACnet or Modbus as well as changing the baud rate if unsure of the
current settings (PS3 only).
N/A
999
Used to configure PS24 for Modbus/BACnet
Table III-1: BACnet Hexadecimal/Decimal Address Availability
33
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