Omega Vehicle Security OMB-NETSCAN 1500 User Manual download pdf (Page 187)

Appendix A

API Command Reference

NetScan User’s Manual A-47

•

Stop Scan Pointer

: This field represents the location in the current read block that the stop event

occurred. This pointer will always be relative to the trigger point with the trigger point always oriented at

location

. Since the stop event must always occur after the trigger event this pointer will always be

greater than

. If the stop event has not yet occurred at the time of the

query, this field will have

the value of

-0999999

•

Stop Time Stamp

: This field represents the Time/Date that the stop event occurred for the current

read block. This field takes on the same format as other time/date stamp fields described elsewhere in

this manual. If the stop event has not yet occurred at the time of the

query, then this field will have

the value

00:00:00.00,00/00/00

•

End Scan Pointer

: This field represents the location in the current read block that the end scan

occurred. This pointer will always be relative to the trigger point with the trigger point always oriented at

location

. Since the end scan must always occur after the trigger event this pointer will always be

greater than

. If the end scan has not yet occurred at the time of the

query, this field will have the

value of

-0999999

. This field will always be the same as the Stop Scan Pointer unless a post-stop

count is specified (

command) in which case the End Scan Pointer will be greater than the Stop Event

Pointer by the value of the post-stop count.

•

Block Status

: This field represents the status of the current read block. If the current read block is not

yet completely written then the value of this field will be

. If the current read block has been

completely written and has terminated normally the value will be

. If, however, the current read

block has prematurely terminated (because of user intervention) the value will be

Note: Trigger blocks are not assigned a trigger block number per se. The trigger block numbers referred to

in the

examples (in

Appendix D

are relative to the read and write blocks, respectively.

: Returns the input channel to digital output channel assignments in the form

A? Achan,output

for each

channel that is currently assigned to a digital output.

: Reads the current configuration settings for each channel configured in the unit. This command returns the

same information in as the

command except that it returns it for all channels which are configured.

: Read the Digital Inputs. This command will read the current state of the digital inputs. This function is

performed by reading each of the eight digital inputs, converting each input to a binary (high is

and low is

)

and converting that aggregate binary 8-bit number into a decimal number. The decimal number is then returned

as the response

nnn

where it has the following form:

000

≤

nnn

≤

255

U10

: Queries the installed memory option. This command will return the amount of memory installed (in

Kbytes). The possible responses are:

00256

- 256 Kbyte option

04096

- 4 Meg option

01024

- 1 Meg option

08192

- 8 Meg option

U11

: Queries all channels having programmed valid alarm setpoints. The response is

CCC,A,CCC,A,CCC,A

…where:

CCC

is a channel number in 3-didgit format, and

is the alarm state with

indicating “not in alarm state,” and

indicating “in an alarm state.” An example of a response in which channel 1

is the only channel in an alarm state is as follows:

001,1,002,0,003,0 …

U12

: Reads the last calibration time/date stamp. The response is the

(number sign, to distinguish it from

other time/date stamps) appended with the time/date of the last calibration. For example:

#12:31:01.20,04/24/93

U13

: Queries the last scan read.

U14

: Queries the card type. Returns card ID for each card slot. Valid card IDs for use with NetScan are:

-1

- Card not installed

- TC/Volts card

- High volts card

Note: This command can only be issued when all channels are in an unconfigured state. If any channel is

configured, the system will issue a command conflict error in response to the

U14

command. Also

see

QC?

And

commands.

U15

: Queries the product information. The response to this command is the current product information

including revision levels.

U16

: This command queries the measuring mode parameters defined by the Set Measuring Mode (

), Set

Burst Mode Frequency (

), and Set Averaging Weight (

) commands. The response has the following form:

M#modeF#freqW#wt

1 2 ... 182 183 184 185 186 187 188 189 190 191 192 ... 255 256

Omega Vehicle Security OMB-NETSCAN 1500 User Manual Page 187

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Omega Vehicle Security OMB-NETSCAN 1500 User Manual Page 187

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