Agilent Technologies 4288A Programming Manual page 224

Information for Replacing 4278A with 4288A
Functional Comparison and GPIB Command Correspondence
Table B-10 List of instrument's responses to UNBAL/OVLD and Low C
GPIB command correspondence
Table B-11 Correspondence of comparator function commands
222
Notification on the display
Measurement
results
4278A UNBAL
UNBAL
(OVLD)
4288A OVLD
Normal
4278A
operation
Low C
Normal
4288A
operation
*1.The measurement status (Nomal:0, OVLD:1, Low C:2) is used to detect Low C through
GPIB.
*2./LOW_C_REJECT becomes active together with the signal that corresponds to the
result of normal sorting judgment (judgment result when no error occurs).
Setup
Comparator
Limit parameter
(sorting target
*1
parameter)
Reverse parameter
function
% tolerance
Absolute tolerance
Limit mode selection
Sequential
Nominal value
(reference value)
Setting limit range in
the tolerance mode
GPIB output
Comparator Measurement
sorting results results
OUT 2.0E20
**** 9.9E37
Normal
NPP
operation
Normal
LOWC
operation
4278A
COMP0
OFF
ON COMP1
LPAR1
Cp-D
LPAR2
Cp-Q
Cp-G LPAR3
LPAR4
Cs-D
Cs-Q LPAR5
LPAR6
Cs-Rs
OFF REVP0
ON REVP1
LMOD1
LMOD2
LMOD3
Absolute Not available :CALC:COMP:MODE ABS
NOM=
BIN1=
BIN1
BIN2=
BIN2
BIN3 BIN3=
Activated handler interface
signal(s)
Comparator
sorting results
0 /UNBAL
11 /OVLD
11 /PLO
/LOW_C_REJECT
Normal + One of sorting result signals
*1 (/BIN1-9, /OUT_OF_BINS,
operation
/AUX_BIN) + /PLO or PHI
GPIB command
4288A
:CALC:COMP OFF
:CALC:COMP ON
:CALC2:FORM D
:CALC1:FORM CP :CALC2:FORM Q
:CALC2:FORM G
:CALC2:FORM D
:CALC1:FORM CS :CALC2:FORM Q
:CALC2:FORM RS
Not available
:CALC:COMP:MODE PCNT
:CALC:COMP:MODE DEV
Not available
:CALC:COMP:PRIM:NOM
:CALC:COMP:PRIM:BIN1
:CALC:COMP:PRIM:BIN1:STAT ON
:CALC:COMP:PRIM:BIN2
:CALC:COMP:PRIM:BIN2:STAT ON
:CALC:COMP:PRIM:BIN3
:CALC:COMP:PRIM:BIN3:STAT ON
Appendix B
*2