Keithley 6485 Instruction Manual page 187

Model 6485 Picoammeter Instruction Manual
Table 14-6 (continued)
SYSTem command summary (see
Command
:CLEar
:KEY <NRf>
:KEY?
:LOCal
:REMote
:RWLock
Note: Clearing the error queue - Power-up and *CLS clears the error queue. *RST, SYSTem:PRESet, and STATus:PRESet have no
effect on the error queue.
Table 14-7
TRACe command summary
Command
:TRACe|:DATA
:DATA?
:CLEar
:FREE?
:POINts <n>
:ACTual?
:POINts?
:FEED <name>
:CONTrol <name>
:CONTrol?
:FEED?
:TSTamp
:FORMat <name>
:FORMat?
Note: SYSTem:PRESet and *RST have no effect on the commands in this subsystem. The listed defaults are power-on defaults.
Section 13 for detailed information)
Description
Clear messages from error queue.
Simulate key-press; see
Query the last "pressed" key.
RS-232 interface:
While in LLO, removes the LLO and places the
Model 6485 in local (RS-232 only).
Places the Model 6485 in remote if not in LLO
(RS-232 only).
Places the Model 6485 in local lockout (RS-232
only).
Description
Use :TRACe or :DATA as root command.
Read the contents of the buffer (data store).
Clear readings from buffer.
Query bytes available and bytes in use.
Specify size of buffer; 1 to 2500.
Query number of readings stored in buffer.
Query buffer size.
Select source of readings for buffer; SENSe[1],
CALCulate[1], or CALCulate2.
Select buffer control mode; NEXT or NEVer.
Query buffer control mode.
Query source of readings for buffer.
Timestamp:
Select timestamp format; ABSolute or DELta.
Query timestamp format.
Figure 13-3.
SCPI Reference Tables
Default Ref
parameter Section SCPI
10
9
Default Ref
parameter Section SCPI
(see Note) 6
100
SENS1
NEV
ABS
14-9
√
√
√
√
√
√
√
√
√
√
√