Test – HP E1418A User Manual
Page 104
*TST?
*TST?
performs all internal self-tests on the module and returns a 16-bit integer
indicating the results of the self-test. All circuits on the module are tested up to the
output relay.
Parameters
None.
Comments
•
Following the completion of this query, all outputs are disabled and set to either 0 A
or 0 V.
•
If the module is in the wait-for-trigger state when this query is received, an error
is generated.
•
The returned value indicates the first failure found. Complete test results (all failures
found) are reported by the query
TEST:TST[:RESults]?
.
•
A successful self-test returns
+0
.
•
A failure of a self-test returns a non-zero 16-bit integer. The integer returned has
a binary coding of the form:
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Meaning
Test Number
A24
Test Info
•
Test number is the internal self-test number of the first failure found. The Test
Info and A24 fields contain information related to the failure in Test Number.
Test Number
Tested Area
1–25
Register Read and Writes.
26–41
Trigger Control for each Channel.
(test 26 corresponds to channel 1,
test 41 corresponds to channel 16)
42–43
VXIbus Interrupt Control.
44–59
Channel Voltage Output.
(test 44 corresponds to channel 1,
test 59 corresponds to channel 16)
60–75
Channel Current Output.
(test 60 corresponds to channel 1,
test 75 corresponds to channel 16)
•
Complete descriptions of each test and specific codes returned in the Test Info
field are contained in the HP E1418A Service Manual.
•
A subset of self-test is automatically run at power-on.
•
Related Commands:
TEST:TST[:RESults]?
TEST
Chapter 3
HP E1418A SCPI Command Reference 103
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