Balluff BIS U-6020-053-10 RS232, Technical Description, Operating Manual

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BIS U-602_ Processor Unit
TCP/IP / RS232
35
Reading data (such as EPC, TID or USER data) on recognized data carriers.
Note
For data carriers with the same information, one randomly selected data carrier is
answered.
1. Controller sends:
Com-
mand ID type ID
1)
Data type Start address
2)
Number of
bytes
2)
Reser-
ved
3)
End
identifier
Character 'R' 'T'
or
'E'
or
'e'
or
'U'
[...]
5
'E'
or
'e'
or
'T'
or
'
˽
'
'U'
or
'
˽
'
'000000' to
'999999'
'000001'
to
'001024'
'
˽ ˽
' CRC-16
or
<LF><CR>
Byte
length
1 1 16 or 64 1 1 6 6 2 2
2. Processor unit replies :
Reply Frame
length 4)
Com-
mand ID type ID
1)
Data type Start
address 2)
Number
of bytes 2)
Reser-
ved 3)
Data End
identifier
Cha-
racter
<ACK> 00
hex
to
0458
hex
'R' 'T'
or
'E'
or
'e'
or
'U'
[...]
5)
'E'
or
'e'
or
'T'
or
'
˽
'
'U'
or
'
˽
'
'000000'
to
'999999'
'000001'
to
'001024'
00
hex
[...]
5)
CRC-16
or
<LF><CR>
Byte
length
1 3 1 1 16
or
64
1 1 6 6 2 Variable 2
or
Reply Status number End identifier
Character <NAK> See "8.5 Status Indicators" on
page 43
CRC-16 or <LF><CR>
Byte length 1 1 2
Content of the ID or data fields if ID type or data type = EPC and EPC format = 496 bits (62
bytes) is set:
No. of bytes EPC
Character '02'…'62' [...]
5)
Byte length 2 62
1) Length of the "ID" field depends on the selected EPC format.
2) Start address and number of bytes refer only to the reading in the user area (U). EPC and TID are always transferred in
their full length. Values depend on the data carrier being used.
3) Any character can be allocated to reserved bytes, which are ignored in commands to the BIS U. The reserved bytes are
filled with 0x00 in any replies that the device sends.
4) The frame length refers to the number of bytes in the frame that follow the length field.
5) Placeholder for data block. The data is sent aligned to the right and the remaining characters filled with 0x00. Only the
right-aligned values from the programmed number of bytes are evaluated.
Telegram
Read (R)
8
Device Function