DIAGnostic Subsystem  R&S FSL 
1300.2519.12 6.122  E-11 
DIAGnostic Subsystem 
The DIAGnostic subsystem contains the commands which support instrument diagnostics for 
maintenance, service and repair. In accordance with the SCPI standard, all of these commands are 
device-specific. 
Commands of the DIAGnostic Subsystem 
– DIAGnostic<1|2>:SERVice:BIOSinfo? 
– DIAGnostic<1|2>:SERVice:HWINfo? 
– DIAGnostic<1|2>:SERVice:INPut[:SELect] 
– DIAGnostic<1|2>:SERVice:INPut:PULSed[:STATe] 
– DIAGnostic<1|2>:SERVice:INPut:PULSed:PRATe 
– DIAGnostic<1|2>:SERVice:NSOurce (option Additional Interfaces, B5) 
– DIAGnostic<1|2>:SERVice:SFUNction 
– DIAGnostic<1|2>:SERVice:STESt:RESult? 
DIAGnostic<1|2>:SERVice:BIOSinfo? 
 
This command reads the CPU board BIOS version and returns it as ASCII string. 
The numeric suffixes <1|2> are irrelevant for this command. 
Example 
DIAG:SERV:BIOS? 
Returns the BIOS version. 
Return values (example) 
47.11 
Characteristics 
*RST value: - 
SCPI: device-specific 
Mode 
all 
 
DIAGnostic<1|2>:SERVice:HWINfo? 
 
This command queries the hardware information.  
The numeric suffixes <1|2> are irrelevant for this command. 
Return values 
"<component 1>|<serial #>|<order #>|<model>|<hardware code>|<revision>|<subrevision>", 
"<component 2>|<serial #>|<order #>|<model>|<hardware code>|<revision>|<subrevision>", 
... 
Table lines are output as string data and are separated by commas. The individual columns of 
the table are separated from each other by |.