07
• DSR
Message
to
Read
the
Inverter
Status
The
DSR
message
to
read
the
Inverter
status
from
register
002C
Hex
consists
of
the
following
items.
Fig 6.69 DSR Message to Read
nRecv
Message
Detail
Settings
1. With
the
left
button
of
the
mouse,
click
on
Receive
Message
List.
Then
click
on
a
blank
space
with
the
right
button
of
the
mouse.
2. Select
Create
Receive
Message.
The
following
table
will
appear.
Set
the
Receive
message
in
the
table.
Message
The
label
(name)
of
the
response.
Input
an
appropriate,
easy-to-distinguish
name.
Set
the
label
in
the
Recv
message
box
in
the
table
shown
under
Creating
a
Step.
Header
<h>
and
Terminator
<t>
Set
the
header
and
terminator.
No
header
or
terminator
is
used
for
communications
with
the
3G3RV.
Therefore,
set
both
to
None.
Check
Code
<c>
Set
the
check
code.
The
CRC-16
check
code
is
used
for
communications
with
the
3G3RV.
Select
the
CRC-16
check
code
and
set
the
initial
value
to
65535.
Select
Reverse
for
the
conversion
method.
Then
select
BIN
as
the
data
type.
a 03 00 2C 00 01 c
03002C0001
Slave address (Set with <a>)
Function code (Read 03)
Read start register number (Inverter status: 002C)
Number of read data registers: 1
CRC-16 check (Set with <c>)
Set the address data, constant data, and check code data.
Set data
Header <h> Check code <c>
CRC-16 65535 2Byte BIN
Length <l>
0 1Byte BIN
Address <a>
R 3N 2 1
Data
Message
Input response
Read response CRC-16 65535 2Byte BIN R 3N 2 1
a 10 00 01 00 02 c
a 03 l W 1N 1 2 c
Terminator <t>
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