5.6.10 SYSTem
SYSTem
:CHECksum?
:ERRor?
:
VERSion?
SYSTem:CHECksum?
Sending this query returns the checksum
of
the ROM on the CPU cardo The
checksum is computed by summing the values
of
every byte into a 16-bit value.
The Model 395 returns the checksum as a four character hexadecimal value.
SYSTem:ERRor?
Sending this query retums the next message from the system error queue.
SYSTem:VERSion?
Sending tms query retums the version
of
the tlrmware in the unit.
5.6.11 TEST
TEST>
[:ALL]
?
:RAM?
TEST [ :ALL] ?
Sending this query performs a test on the Channel hardware. A result
of
zero is
returned
if
the test passed. A nonzero result is returned
if
the test failed.
Interpretation
of
the result code will indicate the nature
of
the error. The format
of
the 16-bit result code is shown below:
Bil
15
14
13
12
11
10
9 8 7 6 5 4 3 2 0
TEST[:ALL
1]
Response Format
The upper 8-bits
of
the result code contain the sub-test number in which a failure
was detected. The lower 8-bits contain a bit-weighted error code that indicates the
exact cause
of
the failure.
TEST:RAM?
Sending this query performs a destructive test
of
the Trace RAM. A result
of
zero
is
returned
if
the test passed. A nonzero
result
is
returned
if
the
test
failed.
Interpretation
of
the 16-bitresult code will indicate the nature
of
the error. Bits
15
and 14 encode the sub-test number on which the first failure was detected. The
interpretation
of
the rest
of
the bits in the response depends on the sub-test.
Test
Number
Bit
15
14
13
12
11
10 9 8 7 6 5 4 3 2 0
Trace Memory Test Response Format
Remote Operation 5-45
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