CAN-8123/CAN-8223/CAN-8423 user’s manual (Revision 3.00, May/22/2009) ------
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ccs
: client command specified
5: block upload
scs
: server command specified
6: block upload.
cs
: client subcommand
0: initiate upload request
3: start upload
ss
: server subcommand
0: initiate upload response
m
: multiplexor
It represents the index/sub-index of the data to be transfer by the
SDO.
cc
: client CRC support
cc
=0: Client does not support generating CRC on data.
cc
=1: Client supports generating CRC on data.
sc
: server CRC support
sc
=0: Server does not support generating CRC on data.
sc
=1: Server supports generating CRC on data.
pst
: Protocol Switch Threshold in bytes to change the SDO transfer
protocol
pst
=0: change of transfer protocol not allowed
pst
>0: If the size of the data in bytes that has to be uploaded is
less or equal
pst
, the server can optionally switch to the ‘SDO
Upload Protocol’ by transmitting the server response of the ‘SDO
Upload Protocol’.
s
: size indicator
0: Data set size is not indicated.
1: Data set size is indicated.
size
: upload size in byes
s
=0:
size
is reserved for further use, always 0.
s
=1:
size
contains the number of bytes to be uploaded. Byte 4
contains the LSB and byte 7 is the MSB.
blksize
: number of segments per block with 0 <
blksize
< 128
x
: not used, always 0
reserved
: reserved for further use , always 0