Omega Vehicle Security 1400 manual Rtype, #chans, Stime, Tstart, Re-arm, Sync, Ureq, Vval, #wt

Appendix A API Commands

	Command	Syntax	Description
R	Read Buffered Data	Rtype	Read scan data from the acquisition buffer where type is the
			type of data request being made. Valid options for type are: 1
			- Read the oldest scan currently residing in the acquisition
			buffer, 2 - Read the oldest complete trigger block currently
			residing in the acquisition buffer, and 3 - Read all the scan data
			that currently resides in the acquisition buffer.
		R?	Query the contents of the data buffer.

R#

Read Last Readings

R#chans

Queries the last readings from the HLL Registers for specified channels.

chans may be in two forms: chan (for a single channel where 1

<chan < max) or first-last(for a range of channels where 1 < first < last < max),

where max = 128 for ChartScan/1400.

S	Set Real Time Clocks	Stime	Set the unit’s internal real-time clock where time is in the
				standard time/date stamp format: HH:MM:SS:T, mm/dd/yy
				where H is hours, MM is minutes, SS is seconds, T is tenths of a
				second, mm is month, dd is day, and yy is year.
		S?	Query the internal real-time clock.
T	Set Trigger	Tstart,	Configure an acquisition of scan data with the following
	Configuration	stop,		parameters:
		re-arm,	start is the start event and stop is the stop event
		sync	re-armdetermines if the unit should continue acquiring after the
				first acquisition completes, where 1 is on and 0 is off.
			sync determines if acquisition events should be synchronized
				with the internal timebases, where 1 is on and 0 is off.
		T?	Query the present trigger configuration
U	User Status	Ureq	Request information about various internal conditions of the unit
				where req refers to one of the following request types:
			0	- Query and clear the Event Status Register (ESR)
			1	- Query the Status Byte Register (STB)
			2	- Query and clear Calibration Status Register (CSR)
			3	- Query system settings
			4	- Query current High/Low/Last registers
			5	- Query and clear current High/Low/Last
			6	- Query the Buffer Status String
			7	- Query assigned alarm outputs
			8	- Query configured channels
			9	- Query digital inputs
			10		- Query memory option (in Kbytes)
			11		- Query all channels having programmed valid alarm setpoints
			12		- Query last calibration time/date
			13		- Query last scan read
			14		- Query card IDs
			15		- Query product information
			16		- Query measuring parameters
			17		- Query root mean square (RMS)
			18		- Query acquisition states and various system flags

V

Set User Terminator

Vval	Set the User Terminator value to any character whose numeric
	value (ASCII value) val is in the range 0 to 255.
V?	Query the present user terminator value.

W#	Set Average Weight	W#wt	In Normal mode, specify the number of samples to average for line
			cycle integration or high-speed multi-channel use; where wt is
			the average weight. Valid options for wt are: 1, 2, 4, 8, 16,
			32, 64, 128, and 256 (with 32 being the default value).
X	Execute	X	Execute preceding command string.
Y	Set Counts	Ypre,post,	When in Normal mode, set acquisition counts where pre is the
		stop	pre-trigger count, post is the post-trigger count and stop is
			the post-stop count.
	Select Blocks	Y0,count,0	When in High-speed, single-channel mode (burst mode), set
			count; where count is the number of 256 sample blocks to be
			collected
		Y?	Query current acquisition count selections.

ChartScan User’s Manual A-9