5560A/5550A/5540A
Remote Programmers Manual
22
Coupled Commands
A coupled command refers to two or more commands that appear in a compound command (see
Compound Commands) that perform actions that could interfere with each other and cause a fault.
Commands in a compound command are separated by the use of the ; character. Compound
commands that use only coupled commands are not order-dependent.
In Remote Commands, the command shows a checkbox for coupled commands.
The coupled commands are:
An example of the coupled command interference is the command
*RST; OUT 100V, 1kHZ; WAVE SINE
Followed by the commands
WAVE TRI
OUT 10V, 1kHZ
The WAVE TRI causes an error. At 100 V, only sine waves are allowed. Both WAVE and OUT are
coupled commands. So, the compound command
WAVE TRI; OUT 10V, 1kHZ
executes successfully. The WAVE and OUT are programmed together and at 10 V, triangle waves are
allowed.
Overlapped Commands
Commands that begin execution, but require slightly more time to complete, are called overlapped
commands because they can be overlapped by the next command before they have completed
execution.
In Remote Commands, the command shows a checkbox for overlapped commands.
The overlapped commands, excluding scope commands, are:
DBMZ
DC_OFFSET
HARMONIC
OUT
OUT_IMP RANGE
TMWAVE
TRIG
VIDEOFMT
VIDEOMARK
WAVE
BOOST LOWS POST_52120
DBMZ MULT STBY
DC_OFFSET OLDREF SYNCOUT
DPF OPER TC_OFFSET
DUTY OUT TC_OTCD
EXTGUARD PHASE TC_REF
EXTSENSE RANGELCK TC_TYPE
HARMONIC REFPHASE TSENS_TYPE
INCR *RST WAVE
LCOMP_52120 RTD_TYPE ZCOMP
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