Omega Vehicle Security OMB-NETSCAN 1500 User Manual download pdf (Page 178)

API Command Reference

Appendix A

A-38 NetScan User’s Manual

- Set Query Terminator

TYPE

System

EXECUTION

Deferred

SYNTAX

Qresp,

hll,

scan,

block,

sep

Set the query terminators with the following parameters:

resp

is the

response terminator,

hll

is the channel terminator,

scan

is the terminator

which follows each scan output, and

block

is the terminator which follows

each trigger block output.

sep

determines whether or not a separator character should be used. Valid

options for

sep

are:

- Place no separators in returned buffered scan data

when it is read, and

- Place a separator whose value is determined by the

current Set User Terminator (

) command setting into the returned buffer

data when it is read.

Query current terminator settings.

DESCRIPTION

The Set Query Terminator (

) command is used to set the following query terminators:

resp

This argument specifies the response terminator for general purpose queries issued by the controller.

These queries are queries that do not request High/Low/Last or Acquisition Buffer data. This terminator is used

in all query responses unless the query refers to data in the High/Low/Last registers or the Acquisition Buffer. In

these cases, these types of queries have separate terminators as described below.

hll

This argument specifies the channel terminator to be used for queries which request data residing in the

High/Low/Last registers. When this terminator is specified, the terminator will be inserted between each channel

response when a High/Low/Last register query request is made. The queries that request High/Low/Last register

data are

U13

, and

. Remember, the Read Last Readings (

) command is an HLL register query.

scan

This argument specifies the terminator which will follow each scan that is output when a query request is

made for Acquisition Buffer data. When a query request is made for Acquisition Buffer data, this terminator will

be used to terminate each scan as it is output to the interface. This will be true except for the last scan in the

block. In this case, the trigger block terminator will be used to terminate the scan and the block. The only query

command which requests Acquisition Buffer data is the Read Buffered Data (

) command.

block

This argument specifies the terminator which will follow each trigger block that is output when a query

request is made for Acquisition Buffer data. When a query request is made for Acquisition Buffer data, this

terminator will be used to terminate each trigger block as it is output to the interface. This terminator will be in

effect during Read Buffer Data (

) commands. It should be noted that the last scan in the trigger block to be

output will be terminated by the defined trigger block terminator rather than the scan terminator.

Each of the above four arguments may be defined with one of the following terminator types, where

USER

is the

user-defined terminator corresponding to the numeric (ASCII) value

val

, as defined by the Set User Terminator

(

) command:

Terminator Type

Terminator Description

(None)

CR LF

LF CR

USER

sep

This argument specifies whether or not a separator character should be placed between each returned

reading in the buffer scan data. This field will be in effect during Read Buffer Data (

) commands. The value of

this field is interpreted as follows:

- Place no separators in returned buffered scan data when it is read, and

Place a separator, whose value is determined by the current Set User Terminator (

) command setting, into the

returned buffer data when it is read.

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Omega Vehicle Security OMB-NETSCAN 1500 User Manual Page 178

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Omega Vehicle Security OMB-NETSCAN 1500 User Manual Page 178

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