Keithley 237

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SECTION3
IEEE-488
Reference
a.s.1s
T-
Trigger Configuration
Purpose
Format
Parameters
Default
To specify
the
origin
and
effect
of
an
input
trigger,
and
when
output
triggers
are
gen-
erated.
T(
origin),(in ),(out),( end)
origin
-
Specifies
the
origin
of
input
triggers:
O=IEEEX
1 =IEEE GET
2=1EEETalk
3 = External (TRIGGER
IN
pulse)
4
=Immediate
only
(front panel MANUAL
key
or
HOX
command)
in -
Specifies the effect
of
an
input
trigger:
0
=Continuous
(no trigger
needed
to continue S-D-M cycles)
1 =
"SRC
DLY MSR (trigger starts source phase)
2 =
SRC,.DLY
MSR (trigger starts delay phase)
3
=
"SRC,.DLY
MSR
4 = SRC DL Y "MSR (trigger starts
measure
phase)
5 =
"SRC
DLY,.MSR
6
=
SRC·.OLY "MSR
7
=
"SRC,.DLY,.MSR
8 =
"Single
pulse
out-
Specifies
when
an
output
trigger is generated:
0
=None
during
sweep
1 =
SRC,.DLY
MSR (end
of
source phase)
2 = SRC DLY,.MSR (end of delay phase)
3 = SRC,.DLY,.MSR
4 = SRC DLY
MSR"
(end
of
measure
phase)
5 =
SRC,.DLY MSR"
6
= SRC
DLY,.MSR"
7 =
SRC,.DLY
"MSR"
8 = Pulse end"
end
-Sweep
End"
trigger out:
0=
Disabled
1
=Enabled
Upon
power-up,
or
after receiving a DCL
or
SOC
command,
the
instrument
defaults
to
the
last
programmed
selections.
JOX
command
sets
the
instrument
to
T4,0,0,0
(ori-
gin
is immediate only,
no
trigger
needed
to
continue S-D-M cycle,
no
output
trigger
generated
during
a sweep,
no
sweep
end
trigger).
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