Table of Contents
Advertisement
Advanced
Energy®
AE ?STX and AE 1 OOTX
Inverters
Setting the Modbus Address
A Modbus network
containing slave
devices requires
a unique address
for each
slave.
These unique addresses
allow
the master
device
to identify and
communicate
with
each
slave. The Modbus
network
administrator
must assign a unique
Modbus
address
to each AE
inve1ter.
Termination jumpers
(shown
in
"disabled"
position)
Address switch
Modbus slave
port
terminal
blocks
Figure 6-11.
Setting the Modbus address
TO SET THE MODBUS ADDRESS
1.
Remove the
cover
from the data monitoring
compartment
to
access
the Modbus
address switch on
the
communications
interface PCB.
2. Detennine each slave address.
3.
Set the address on
each
slave
device.
The
slave
address for each inve1ter is
set using
a
bina1y coded
DIP
switch.
aF
Important
0 is not an
allowed
address.
Important
Some Modbus
master devices do not allow
addresses
above
the decimal
value
of
126.
AE recommends keeping the
slave
ID
llllmber between 2
and
100.
Device Addressing Example
Each
inve1ter
must be
set
to a unique address
specified
by the
site monitoring
contractor. The address
is set using
a binaiy code on the address
DIP
switch.
To
set
an
inve1ter to an address
of25
:
1.
Find
the desired address in the
left
hand column
of
the
table
below
labeled
"Unit
Address".
570-1001793-0SB
Data
Monitoring
and Controls
6-15
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
