Brainboxes ED-549 - Aa0

Ethernet Analogue DIO
Product Manual V1.2
© Copyright Brainboxes Ltd
Page 87 of 100
~aa0
Applies to: All analogue input/output products
Description:
Command to read the watchdog status of the device.
Command Syntax:
~aa0[CS](CR)
~
Delimiter character
aa
Address of the device in hexadecimal format (00 to FF)
0
Command to read the device watchdog status
[CS]
Checksum
(CR)
Carriage Return
Response:
Valid Command: !aass[CS](CR)
Invalid Command: ?aa[CS](CR)
!
Delimiter for a valid command
?
Delimiter for an invalid command
aa
Address of the device
ss
Two Hexadecimal digits indicating the host watchdog status
SS=00 – Watchdog timeout is cleared
SS=04 – Watchdog timeout is set
[CS]
Checksum
(CR)
Carriage Return
Examples:
Read the host watchdog status and response is 00 meaning the host watchdog is disabled
Command: ~010(CR)
Response: !0100(CR)
Read the host watchdog status and response is 04 meaning that a host watchdog timeout has occurred.
Command: ~010(CR)
Response: !0104(CR)