67
UK
13.7.2
Payload traffic view
Command request send by controller:
38
08000400000000000000000000000000000000
38
0C000800000000000000000000000000000000
00
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
Controller: Read 8 bytes from channel IO-1 at address 0x0004 and 12 bytes at address 0x0008 from
channel IO-2 automatically .
Response send by evaluation unit when command has been processed:
38
00000000000000000000000000000000000000
38
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
Evaluation unit: Send read User data of channel IO-1 and IO-2 . Because no tag is present the read data
length are set to 0x00 .
After the command request is received, the evaluation unit always send one response to confirm
the new mode .
. . .
39
08A1A2A3A4A5A6A7A800000000000000000000
38
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
Evaluation unit: Send data of channel IO-1, because tag is now present and could be read .
. . .
38
00000000000000000000000000000000000000
38
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
Evaluation unit: Send data of channel IO-1, because tag is no more present .
. . .
38
00000000000000000000000000000000000000
39
0CB1B2B3B4B5B6B7B8B9BABBBC000000000000
00
00000000000000000000000000000000000000
00
00000000000000000000000000000000000000
Evaluation unit: Send data of channel IO-2, because tag is now present and could be read
The automatically read mode is terminated when the bit "ER" is reset in the control byte of the
command request .