Brainboxes ED-549 - Aa4

Ethernet Analogue DIO
Product Manual V1.2
© Copyright Brainboxes Ltd
Page 66 of 100
$aa4
Applies to: ED-549
Description:
Command to read the synchronised data that is stored on the device from the last #** command.
Command Syntax:
$aa4[CS](CR)
$
Delimiter character
aa
Address of the device in hexadecimal format (00 to FF)
4
Command to read the synchronised data from the device.
[CS]
Checksum
(CR)
Carriage Return
Response:
Valid Command: >aaS(Data)[CS](CR)
Invalid Command: ?aa[CS](CR)
>
Delimiter for a valid command
?
Delimiter for an invalid command
aa
Address of the device which responded
S
Status of synchronised data:
1 = First read of data
0 = Data has been at least once before
(Data)
Synchronized data
[CS]
Checksum
(CR)
Carriage Return
Examples:
Send a command to read the synchronised data that is stored in the device.
Command: $014(CR)
Response: >01100E2FE3802F105E00BBC1D9EC4FD75C2(CR)
Note: If the #** command hasn’t been sent since the device was powered on then the $aa4 command will
return ?aa