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RFID Communication Interface
Table 14:
(Forts.)
Data format
Byte
Bit
Name
Description
1
0
Channel number
1
Channel number
2
Channel number
Indicates the channel to which the command is
assigned. Allows for up to 15 channels (1..15), even
though the BLXX RFID module shall support only up to
8 channels.
Coding: { 1..8 }
3
Channel number
4
COS Channel
number
5
COS Channel
number
6
COS Channel
number
7
COS Channel
number
0
Address (LSB)
1
Address
2
Address
3
Address
4
Address
5
Address
6
Address
7
Address
0
Address (MSB)
1
Address
2
Address
3
Address
4
Address
5
Address
6
Address
7
Address
2 (*)
3(*)
3-4
COS Message Multiplexer. Initiates transmission of
COS Message of selected channel, if available. COS
mapping must be configured to be used for RFID
application.
Coding: { 1..8 }
Changing to { 0 } will release a COS msg containing
zeros (except COS Msg Sequence Counter), see COS
Mapping
Setting { 0xF }, any RFID module data will be released
immediately on appearance. (auto mode, restricted
use)
Addresses a byte within the tag memory to which the
command shall be executed, e.g. write data to byte 428
(and following) of the tag.
Allows addressing for tag memory of up to 64 Kbytes,
even though currently the BLXX RFID module shall be
compatible with tag memories of only up to 2 Kbytes.
Coding: { 0..65535 }
D101642 0407 - BL ident DeviceNet™