Balluff BIS M-4008-048-0 ST4 PROFINET Series, Operating Manual

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BIS M-4008-048-0xx-ST4
PROFINET
18
Command designator 00
hex
: No command present
Subaddress Meaning Function description
00
hex
1st bit string
00
hex
Command identifier 00
hex
: No command present.
… None No meaning
Last byte 2nd bit string Valid data is present if the 1st and 2nd bit strings match.
Command designator 01
hex
: Read from data carrier
Subaddress Meaning Function description
00
hex
1st bit string
01
hex
Command identifier 01
hex
: Read from data carrier.
02
hex
Start address
(low byte)
Start address for reading.
03
hex
Start address
(high byte)
Start address for reading.
04
hex
Number of bytes
(low byte)
Number of bytes to be read starting from the start
address.
05
hex
Number of bytes
(high byte)
Number of bytes to be read starting from the start
address.
… None No meaning
Last byte 2nd bit string Valid data is present if the 1st and 2nd bit strings match.
Command designator 02
hex
: Write to data carrier
Subaddress Meaning Function description
00
hex
1st bit string
01
hex
Command identifier 02
hex
: Write to data carrier.
02
hex
Start address
(low byte)
Start address to be written from.
03
hex
Start address
(high byte)
Start address to be written from.
04
hex
Number of bytes
(low byte)
Number of bytes to be written starting from the start
address.
05
hex
Number of bytes
(high byte)
Number of bytes to be written starting from the start
address.
… None No meaning
Last byte 2nd bit string Valid data is present if the 1st and 2nd bit strings match.
Command
structure
7
Device Function