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Appendices
IEEE-488.2 Devise Documentation Requirements
C
C-3
<PROGRAM MESSAGE UNIT>
<PROGRAM MESSAGE UNIT SEPARATOR>
<COMMAND MESSAGE UNIT>
<QUERY MESSAGE UNIT>
<COMMAND PROGRAM HEADER>
<QUERY PROGRAM HEADER>
<PROGRAM DATA>
<CHARACTER PROGRAM DATA>
<DECIMAL NUMERIC PROGRAM DATA>
7. A description of any buffer size limitations related to block data, Section 7.7.6.5.
No block data is used.
8. A list of <PROGRAM DATA> elements which may appear within an <expression>
as well as the maximum sub-expression nesting depth. Any additional syntax
restrictions which the device may place on the <expression> shall also be included.
No sub-expressions are used. The only <PROGRAM DATA> functional
elements used are <CHARACTER PROGRAM DATA> AND <DECIMAL
NUMERIC PROGRAM DATA>.
9. A description of the response syntax for every query, Section 8.
<NR1 NUMERIC RESPONSE DATA> is returned for:
*ESE?, *ESR?, *OPC?, *SRE?, *STB?, *TST?, IEE?, IER?, RATE?,RANGE?,
INTVL?, TEMP_CONFIG?, MON_CHAN?, FORMAT?,
ALARMS?,ALARM_ASSOC?, ALARM_DO_LEVELS?, TOTAL_DBNC?,
TIME_DATE?, TRIGGER?,EEREG?, SCAN_TIME?, LOG_COUNT?,
DIO_LEVELS?
<NR3 NUMERIC RESPONSE DATA> is returned for:
MON_VAL?, TOTAL?, RTD_R0?, MIN?, MAX?, LAST?
<CHARACTER RESPONSE DATA> is returned for:
*IDN?, FUNC?
The following queries return data in two formats:
ALARM_LIMIT?
Sense (HI, LO, OFF) in <CHARACTER RESPONSE DATA>Value (if HI or LO) in
<NR3 NUMERIC RESPONSE DATA>
SCALE_MB?
M and B values in <NR3 NUMERIC RESPONSE DATA>Resultant display range in
<NR1 NUMERIC RESPONSE DATA>
NEXT?, LOG?
Time, date, and digital I/O values in <NR1 NUMERIC RESPONSE
DATA>Measurement data and Totalizer in <NR3 NUMERIC RESPONSE DATA>
10. A description of any device-to-device message transfer traffic which does not follow
the rules for <RESPONSE MESSAGE> elements, Section 8.1.