BIS V-6108 PROFINET
Processor Unit
42
english
Command Identifier 91
hex
: Copy Data Between Data Carriers with 24-bit Addresses
When assigning addresses to data carriers with expanded memory, the start address and
number of bytes can be specified as 24-bit values. Information about executing the command as
well as about return values are drawn from the 11
hex
command (See
“Command designator
11
hex
: Copy data between data carriers”
).
Subaddress
Meaning
Description of Function
00
hex
1st Bit Header
01
hex
Command Identifier 11
hex
: Copy data.
02
hex
Source start
address (low byte)
Copy the start address of the source data carrier for the
function from which copying is to start.
03
hex
Source Start
Address
(Middle Byte)
Copy the start address of the source data carrier for the
function from which copying is to start.
04
hex
Source start
address (high byte)
Copy the start address of the source data carrier for the
function from which copying is to start.
05
hex
Target start address
(low byte)
Copy the start address of the target data carrier for the
function from which copying is to start.
06
hex
Target Start
Address
(Middle Byte)
Copy the start address of the target data carrier for the
function from which copying is to start.
07
hex
Target start address
(high byte)
Copy the start address of the target data carrier for the
function from which copying is to start.
08
hex
Number of bytes
(low byte)
Number of bytes to be copied starting from the source
start address.
09
hex
Number of bytes
(middle byte)
Number of bytes to be copied starting from the source
start address.
0A
hex
Number of bytes
(high byte)
Number of bytes to be copied starting from the source
start address.
0B
hex
Target R/W head
number
Number of the read/write head that the target data
carrier is in front of.
…
None
No meaning
Last byte
2nd Bit Header
If the 1st and 2nd bit headers match, the data is valid.
Structure of the
commands for
read/write heads
7
Device Functions