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AMETEK Lx Series II User Manual

Page 85

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User Manual

Lx / Ls Series II

81

4.2.7 TRANSIENT Menu

The transient menu is used to program and execute user-defined output sequences. These
output sequences are defined as a sequential list of voltage and/or current settings that can be
executed in a time controlled manner.

Each step in these lists is assigned a sequence number ranging from #0 through #99. The
numbering determines the order in which each step is executed.

Each step can control the voltage setting, voltage slew rate, frequency setting, frequency slew
rate and dwell time. The dwell time determines how long the output dwells at the current step
before progressing to the next step. Dwell times can range from 1 msec up to 900000 secs.

Transient lists can be set up from the front panel or over the bus. The transient list can be saved
with the rest of the front panel settings in one of the setup registers. (See Register Menu).

ENTRY

DESCRIPTION

TRAN ST

Indicates the status of the transient system. Available modes of
operation are:

IDLE

Transient system is in IDLE or inactive state. To start
a transient list, press the ENTER key while on the
TRAN STATE field. Note that the output must be ON
to run a transient program or an error message will
be displayed.

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 execution count for the transient system. A count of 1
indicates the transient will run 1 times. The count value can be set
with either voltage or current knob while the cursor is on this field.
The count range is from 1 through 2E+08. Values below 200,000
are displayed in fixed point notation. Value higher than 200,000 are
displayed as a floating point number (2E+05). The display has
insufficient characters to display the entire mantissa so entering
values above 2E+05 from the keyboard is not recommended.

TRIG SOURCE

Indicates the trigger source for transient system. Available trigger
sources are:

IMM

Immediate mode. The transient is started from the
front panel using the ENTER key.

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