17-36 SCPI Command Reference Models 2500 and 2502 User’s Manual
FAIL?
:CALCulate7:LIMit[1]:FAIL? Read Limit 1 (channel 1) test result
:CALCulate7:LIMit2:FAIL? Read Limit 2 (channel 2) test result
:CALCulate7:LIMitx:FAIL? Read Limit x test result (x = 3-6)
Description These commands are used to read the pass/fail results of Limit 1 through
Limit 6 tests:
0 = Limit test passed
1 = Limit test failed
The response message (0 or 1) only tells you if a limit test has passed or
failed. For Limit 3-6, it does not tell you which limit (upper or lower)
has failed. To determine which limit has failed, you must read the mea-
surement event register. See “STATus subsystem,” page 17-78.
Reading the results of a limit test does not clear the fail indication of the
test. A failure can be cleared by using a :CLEar command.
Composite testing
PASS:SOURce3 <NRf> | NDN
:CALCulate7:CLIMits:PASS:SOURce3 <NRf> | <NDN> Specify composite pass pattern
Parameters <NRf> = 0 to 7 (3-bit) Decimal value
0 to 15 (4-bit) Decimal value
<NDN> = 0 to #b111 (3-bit) Binary value
0 to #b1111 (4-bit) Binary value
0 to #q7 (3-bit) Octal value
0 to #q17 (4-bit) Octal value
0 to #h7 (3-bit) Hexadecimal value
0 to #hF (4-bit) Hexadecimal value
Query :SOURce3? Query programmed source value
Description This command is used to define the 3-bit or 4-bit output pattern for the
digital I/O port when there are no failures for any of the limit tests. Note
that the output value can be specified in binary, octal, decimal, or hexa-
decimal format. Use the table provided in “SOURce3 <NRf> |
<NDN>,” “Description,” page 17-34, to determine the parameter value
for the desired decimal digital output pattern.
The Model 2500 can be configured to place the defined pass bit pattern
on the digital output immediately when the pass condition occurs, or it
can wait until all testing on a device package is completed (operation
leaves trigger layer). See “BCONtrol <name>,” page 17-37, for details.
For the sorting mode, this command defines the 3-bit or 4-bit output
pass pattern for the Limit 1 and Limit 2 tests (compliance) when Limits
3-6 are disabled.
NOTE 16-bit I/O is available with the 2499-DIGIO option. The maximum 16-bit output
value is 65535.
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