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Digital Input Section
Component
Unit Description
Value
Reset to “0”
l
Manual by user
l
At start of recording
l
By reset pin once after start of recording
l
By reset pin always
RPM mode
Count size
64 bits
Maximum frequency
10 MHz
Direction
External
Up/down
Gate time
User selectable in 1, 2, 5 steps
1 ms to 10 sec
Inaccuracy
Gate time
10 ns
Measurement
Counts and period
Pulse per rotation
User selectable
RPM
Counts/(period * pulse per rotation)
Frequency mode
Count size
64 bits
Maximum frequency
10 MHz
Direction
External
Up/down
Gate time
User selectable in 1, 2, 5 steps
1 ms to 10 sec
Inaccuracy
Gate time
10 ns
Measurement
Counts and period
Frequency
Counts/period
On
-
board Memory
Component
Unit Description
Value
Per card
The memory splits between marker inputs and counter/timers
channels.
512 MB
Per channel
Usable memory is:
Markers enabled only (1
-
64)
64 MS
Markers plus 1 counter Ch enabled
32 MS
Markers plus 2 counter Ch enabled
20 MS
Markers plus 3 counter Ch enabled
16 MS
Acquisition Modes
Component
Description
Sweeps
Triggered acquisition to RAM with no sample rate limitations; for single or repetitive transients or intermittent
phenomena.
Continuous
Direct storage to a PC or mainframe hard disk with no file size limitations; triggered or un
-
triggered; for
long
-
duration recorder
-
type applications with up to 1 MS/s rate per channel (the maximum aggregate rate
depends on the mainframe configuration and PC).
Dual
Combination of Sweeps and Continuous; recorder type streaming to hard disk with simultaneously
triggered sweeps in RAM.
Slow
-
Fast Sweep
A triggered acquisition in RAM which includes an acquisition phase with a higher sample rate, located at
a point of interest.
Storage Modes
Component
Description
Recorder
Spooled directly to the hard disk of the control PC; unlimited file size or duration
Scope
Store in transient memory
Transient
Store in transient memory, single or A
-
B
-
A time base
GEN3t
I3995-3.1 en HBM: public
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