Advantech RS-485 user manual Syntax $aaSi7cr

	Chapter 6
$aaSi7	$aaSi7
Name	Read Overflow Flag
Description	The command requests the addressed module to return
	the status of the overflow flag of counter.
Syntax	$aaSi7(cr)
	$ is a delimiter character.
	aa (range 00-FF) represents the 2-character hexadecimal
	address of the ADAM-5000 system.
	Si identifies the I/O slot i (i : 0 to 3).
	7 is the command for the last value readback.
Response	!aaff ff ff ff(cr) if the command is valid.
	?aa(cr) if an invalid operation was entered.
	There is no response if the module detects a syntax error
	or communication error or if the specified address does
	not exist.
	! delimiter character indicating a valid command was
	received.
	? delimiter character indicating the command was
	invalid.
	aa (range 00-FF) represents the 2-character hexadecimal
	address of an ADAM-5000 system.
	ffffffff is the number of overflow for a specified channel.
	(ffffffff represents 0~3 channels, each of which is
	represented by one ff).
	(cr) is the terminating character, carriage return (0Dh)

Note: When this command is issued, the overflow value is cleared and starts afresh.

ADAM-5000 6-141