EasyManua.ls Logo

Omron SYSDRIVE 3G3RV Series

Omron SYSDRIVE 3G3RV Series
446 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
C
ommunications Functions
6
-
8
3
Loopback
Test
(Function
Code:
08
Hex)
The
loopback
test
returns
command
messages
directly
as
response
messages
without
changing
the
contents
to
check
the
communications
between
the
master
and
slave.
Yo u
can
set
user-defined
test
code
and
data
values.
The
following
table
shows
a
message
example
when
performing
a
loopback
test
with
the
slave
1
Inverter.
Writing
to
Multiple
Storage
Registers
(Function
Code:
10
Hex)
Write
the
specified
data
to
each
specified
storage
register
from
the
specified
addresses.
The
written
data
must
be
in
the
following
order
in
the
command
message:
Higher
place
8
bits,
then
lower
place
8
bits,
in
storage
reg-
ister
address
order.
The
following
table
shows
an
example
of
a
message
when
forward
operation
has
been
set
at
a
frequency
refer-
ence
of
60.0
Hz
in
the
slave
1
Inverter
by
the
PLC.
Command
Message
Response
Message
(Normal
Message)
Response
Message
(Error
Message)
Slave
address 01H Slave
address 01H Slave
address 01H
Function
code 08H Function
code 08H Function
code 88H
Test
Code
Higher
place
00H
Test
Code
Higher
place
00H Error
Code 01H
Lower
place
00H
Lower
place
00H
CRC-16
Higher
place
86H
Data
Higher
place
A5H
Data
Higher
place
A5H
Lower
place
50H
Lower
place
37H
Lower
place
37H
Note The
MSB
of
the
function
code
will
be
set
to
1
when
an
error
occurs.
CRC-16
Higher
place
DAH
CRC-16
Higher
place
DAH
Lower
place
8DH
Lower
place
8DH
Command
Message
Response
Message
(Normal
Message)
Response
Message
(Error
Message)
Slave
Address 01H Slave
Address 01H Slave
Address 01H
Function
Code 10H Function
Code 10H Function
Code 90H
Start
Address
(register
number)
Higher
place
00H
Start
Address
Higher
place
00H Error
code 02H
Lower
place
01H
Lower
place
01H
CRC-16
Higher
place
CDH
Quantity
(10H
max.)
Higher
place
00H
Quantity
Higher
place
00H
Lower
place
C1H
Lower
place
02H
Lower
place
02H
Note The
MSB
of
the
function
code
will
be
set
to
1
when
an
error
occurs.
Number
of
attached
data
bytes
04H
CRC-16
Higher
place
10H
Lead
data
Higher
place
00H
Lower
place
08H
Lower
place
01H
Next
data
Higher
place
02H
Lower
place
58H
CRC-16
Higher
place
63H
Lower
place
39H

Table of Contents

Related product manuals