Model 7002Switch System Instruction Manual - Advanced Test ...

IEEE-488 ReferenceTrigger subsystemDescriptionThis command is used to select the protocol for the Trigger Layer Trigger Link. With ASYNchronousselected, separate trigger lines are used for input and output triggers. With SSYNchronousselected, a single trigger line is used for both input and output triggers.Note that Arm Layer 1 and Arm Layer 2 only use the asynchronous Trigger Link mode andtherefore, the protocol does not have to be selected.Programmingexample10 OUTPUT 707; “:trig:tcon:prot ssyn; prot?”20 ENTER 707; A$30 PRINT A$40 ENDLine 10Line 20Line 30Selects semi-synchronous Trigger Link protocol, and then queries the selected protocol.Addresses the 7002 to talk.Displays the Trigger Link protocol (SSYN).:DIRection :ARM[:SEQuence[1]][:LAYer[1]]:TCONfigure:DIRection ARM[:SEQuence[1]]:LAYer2:TCONfigure:DIRection :TRIGger[:SEQuence[1]]:TCONfigure:DIRection Control arm Source BypassControl scan Source BypassControl channel Source BypassParameters = SOURce Enable Source Bypass= ACCeptor Disable Source BypassShort-formformats:arm:tcon:dir :arm:lay2:tcon:dir :trig:tcon:dir DefaultsPower-upSaved power-on setup*RSTACCeptor (all layers):SYSTem:PRESet ACCeptor (Arm Layer 1 and Arm Layer 2)SOURce (Trigger Layer)Querycommands:DIRection?Short-form formats:Response message:Query Source Bypass state:arm:tcon:dir?:arm:lay2:tcon:dir?:trig:tcon:dir?SOUR or ACCDescriptionWhen a Source Bypass is enabled and the External or Trigger Link arm control source is selected,operation will loop around the appropriate control source on the initial pass through that lay-5-142