BIS V-6108 PROFINET
Processor Unit
44
english
Command Identifier 92
hex
: Initialize CRC_16 Data Check 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 12
hex
command (See
“Command designator
12
hex
: Initialize CRC_16 data check”
).
Subaddress
Meaning
Description of Function
00
hex
1st Bit Header
01
hex
Command Identifier 12
hex
: Initialize data carrier.
02
hex
Start address
(low byte)
Start address from which the CRC_16 data check is to
be carried out.
03
hex
Start address
(middle byte)
Start address from which the CRC_16 data check is to
be carried out.
04
hex
Start address
(high byte)
Start address from which the CRC_16 data check is to
be carried out.
05
hex
Number of bytes
(low byte)
Start address from which the CRC_16 data check is to
be carried out.
06
hex
Number of bytes
(middle byte)
Start address from which the CRC_16 data check is to
be carried out.
07
hex
Number of bytes
(high byte)
Start address from which the CRC_16 data check is to
be carried out.
…
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