VTI Instruments Corp.
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VM3608A/3616A Command Dictionary
*TST?
Purpose
Causes a self-test procedure to occur and queries the results.
Type
IEEE 488.2 Common Command
Command Syntax
None - Query Only
Command Parameters
N/A
*RST Value
N/A
Query Syntax
*TST?
Query Parameters
None
Query Response
Numeric ASCII value from 0 to 143
Description
The Self-Test query causes the VM3608A/3616A to run its self-test procedures and
report on the results. The following tests are performed:
1.
Each channel runs an internal loop-back self-test.
2.
The buffer RAM runs a simple self-test.
The *TST? query returns a numeric ASCII from 0 to 143 which has the following
reading:
Bit 0
Channel 1 Failed
Bit 1
Channel 2 Failed
Bit 2
Channel 3 Failed
Bit 3
Channel 4 Failed
Bit 4
Unused
Bit 5
Unused
Bit 6
Unused
Bit 7
RAM Test Failed
Bit 8 – 14 Code to indicate a RAM Failure (Address or Data)
Bit 15
RAM Flood Test Failure
A bit value of 1 in any location indicates a failure while a 0 value indicates that the test
passed. The RAM test failed bit indicates that the buffer RAM used for the data queues
failed to pass a simple pseudo random patter test or an all zeros test.
Examples
Command / Query
Response
(Description)
*TST?
0
Related Commands
None
Databus bit failure to FPGA
Содержание VM3608A
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