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isible, the shuttle continues to operate.
California Instruments 64
User Manual Compact i/iX Series
4.2.7 TRANSIENT Menu
The transient menu is used to program and exec
se ences are defined as a se l list be executed in a
time controlled manner.
Each step in these lists is assigned a sequ numbering
determines the order in which each step is
Each step can control the voltage setting, voltage slew rate, frequency setting, frequency slew rate
an dwell time. The dwell tim ines p before
progressing to the next step. Dwell times c
Transient lists can be set up from the front ved with
the rest of the front panel settings in one of
ute user-defined output sequences. These output
of voltage and/or current settings that can
ence number ranging from #0 through #99. The
executed.
qu quentia
d e determ how long the output dwells at the current ste
an range from 1 ms up to 900000 seconds.
panel or over the bus. The transient list can be sa
the setup registers. (See Register Menu).
ENTRY DESCRIPTION
TRAN ST In the nt system. Available modes
of operation are:
dicates status of the transie
ress the ENTER key while
field. Note that the output
t program or an
ed.
IDLE Transient system is in IDLE or inactive state. To
start a transient list, p
on the TRAN STATE
must be ON to run a transien
error message will be display
WTRIG Transient system is armed and waiting for a
trigger event.
BUSY Transient system is active. A transient list
execution is in progress.
COUNT Sets the exec
indicates the transient will run 1 time. The count value can be
set with either voltage or current knob while the cursor is on
th The
below 200,00
ution count for the transient system. A count of 1
is field. count range is from 1 through 2E+08. Values
0 are displayed in fixed point notation. Value
California Instruments 65
User Manual Compact i/iX Series
ENTRY DESCRIPTION
higher than 200,000 are displayed as a floating point number
(2E+05). The display has insufficient characters to display the
e ntiss
keyboard is n
ntire ma a so entering values above 2E+05 from the
ot recommended.
TRIG SOURCE In the ansient system. Available
trigger sources are:
dicates trigger source for tr
IMM Immediate mode. The transient is started from
the front panel using the ENTER key.
BUS Bus mode. The transient system is started by a
bus command or a group execute trigger (GET).
EXT External mode. The transient system is started
by a user-provided external TTL trigger signal
on TRIGGER IN.
TRAN STEP Indicates the transient system execution mode. Available
modes are:
AUTO When triggered, the transient system will
automatically execute each list point
sequentially without waiting for a trigger
between list points. This execution is paced by
the dwell time set for each data point.
ONCE When triggered, the transient system will
execute the first list point and wait for a new
trigger once the dwell time expires. This allows
triggered execution of each step in the transient
list.
List parameters:
VOLT Step # Voltage set point
VSLEW Step # Voltage slew rate in V/s
FREQ Step # Frequency set point
FSLEW Step # Frequency slew rate in Hz/s
DWELL Step # Dwell time in seconds.
Range is 0.001 to 900000
TTLT Step # ON: Generates an output trigger pulse at
this list step.
OFF: No output trigger.
The output trigger is available on the TRIG OUT
on the rear panel. (Aux I/O DB9 connector).
California Instruments 66
User Manual Compact i/iX Series
ENTRY DESCRIPTION
FUNC Step # Waveform selection. Available choices are
Sinusoid, Square, Clipped or any of the user
provided waveforms in waveform memory (iX
models only).
PHASE Step # Phase angle set point. (Not relevant for phase A
if clock mode is internal.)
CURR Step # Current set point
ted in this order. Each list
point or list entry has 9 parameter enter list point data, the keypad
must be used. The shuttle knob is used to increment or decrement the list point sequence number (#).
The sequence number can only be increased to the next available empty (new) list point.
To o the next or pre ter,
It is not necessary to use all list points, only as many needed to accomplish the desired output
sequence.
Setting Data Values
Data values can be set for each point in a lis e the
same value (e.g. the current limit parameter rogram),
only the first data value for that parameter ha ill
automatically repeat that value for all subsequent points in the transient list.
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