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Greenfield GFT9404, Руководство пользователя

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NUT 018 Ed. 3.1 

 

  

février 

16

 

©

 

G

REENFIELD

 

T

ECHNOLOGY

 

     

16

 

 

 

 

GFT9404

 

User

 

Manual

 

Trigger

 

Setup

 

The

 

trigger

 

signal

 

can

 

have

 

many

 

sources

 

and

 

characteristics.

 

Trigger

 

source

 

Trigger

 

Description

 

Level

 

Frequency

 

 

The

 

trigger

 

signal

 

comes

 

from

 

the

 

front

 

panel

 

connector

 

or

 

from

 

the

 

PXI

 

bus

 

 

 

 

The

 

trigger

 

signal

 

comes

 

from

 

the

 

board

 

internal

 

frequency.

 

In

 

this

 

case,

 

the

 

trigger

 

mode

 

is

 

repetitive.

 

Trigger

 

input

 

and

 

polarity

 

are

 

ignored.

 

 

 

 

The

 

trigger

 

signal

 

comes

 

from

 

the

 

front

 

panel's

 

trigger

 

connector.

 

 

 

 

The

 

trigger

 

signal

 

comes

 

from

 

the

 

PXI

 

STAR

 

trigger

 

line.

 

 

 

Trigger

 

mode

 

Mode

 

Description

 

EXT

 

INT

 

 

The

 

board

 

is

 

in

 

single

 

shot

 

mode.

 

Enabled

 

channels output

 

only

 

one

 

pulse

 

on

 

the

 

first

 

trigger

 

signal

 

occurrence.

 

 

 

 

The

 

board

 

is

 

in

 

repetitive

 

mode.

 

Enabled

 

channels

 

output

 

a

 

pulse

 

for

 

each

 

trigger

 

signal

 

occurrence.

 

 

 

Trigger

 

slope

 

Mode

 

Description

 

EXT

 

INT

 

 

The

 

delays

 

start

 

on

 

the

 

low

 

to

 

high

 

transition

 

of

 

the

 

trigger

 

signal.

 

 

 

 

The

 

delays

 

start

 

on

 

the

 

high

 

to

 

low

 

transition

 

of

 

the

 

trigger

 

signal.

 

 

 

RUN

 

and

 

STOP

 

Delay

 

Sequence

 

To

 

start

 

a

 

delay

 

sequence,

 

click

 

on

 

the

 

RUN

 

STOP

 

button.

 

When

 

the

 

board

 

is

 

in

 

running

 

mode,

 

the

 

panel

 

elements

 

are

 

disabled

 

(with

 

the

 

exception

 

of

 

the

 

manual

 

trigger

 

button).

 

When

 

the

 

board

 

is

 

in

 

single

 

shot

 

trigger

 

mode,

 

the

 

board

 

stops

 

after

 

the

 

first

 

trigger.

 

When

 

the

 

board

 

is

 

in

 

repetitive

 

mode,

 

click

 

on

 

the

 

RUN

 

STOP

 

button

 

to

 

stop

 

the

 

board.

 

 

 

Содержание GFT9404

Страница 1: ...Four auxiliary delay channels o 5 ns delay resolution o 100 ps rms jitter delay x10 7 o 20 second delay range o Available on front panel and PXI TRIG Four sources of trigger external internal PXI STAR...

Страница 2: ...nal Overview 7 Timing Principle Using External Triggering 8 Front Panel 9 Trigger Routing Architecture 10 Self Test 10 Status 11 Multiple Board Synchronization 11 4 APPLICATION SOFTWARE 13 Connecting...

Страница 3: ...6 GREENFIELD TECHNOLOGY 3 GFT9404 User Manual EDITION Ed Date Description 1 15 05 2009 Creation 2 30 09 2009 Update the specification 3 27 07 2010 Update the specification 3 1 26 02 2016 Minor correct...

Страница 4: ...software trigger is used to trigger off all output channels The module offers two operating trigger modes repetitive or single shot The control panel software for Windows provides a simple method to...

Страница 5: ...lectrostatic discharge ESD can damage several components on the module Caution Never touch the exposed pins of connectors To avoid such damage when handling the module take the following precautions G...

Страница 6: ...LabVIEW Installing the Hardware The following information provides general installation instructions Consult the chassis user manual or technical reference manual for specific instructions and warning...

Страница 7: ...o external trigger phases After an insertion delay a pulse appears on each channel after a specified delay At the end of sequence after the last delayed pulse the delay generator is ready for repetiti...

Страница 8: ...r Manual Timing Principle Using External Triggering Figure 3 2 Trigger Timing In response to the input trigger the board can generate a single delayed output single shot mode or repetitive delayed out...

Страница 9: ...e front panel has two LEDs and 9 connectors LEDs TRIG green Lights on when a trigger is detected FAULT red Lights on if a fault is detected Connectors SMB type TRIG IN External trigger input T0 to T3...

Страница 10: ...Triggers available on the PXI_TRIG lines are copies of the auxiliary triggers Accordingly to control the delay on a PXI_TRIG line you have to set the appropriate delay for the corresponding auxiliary...

Страница 11: ...ed Multiple Board Synchronization External trigger copy T0 TRIG IN T1 T2 T3 AT0 AT1 AT2 AT3 TRIG FAULT GFT9404 DELAY GENERATOR T0 TRIG IN T1 T2 T3 AT0 AT1 AT2 AT3 TRIG FAULT GFT9404 DELAY GENERATOR TR...

Страница 12: ...is used to control the source of triggers to synchronize the four other GFT9494 boards via the AT0 to AT3 outputs T0 TRIG IN T1 T2 T3 AT0 AT1 AT2 AT3 TRIG FAULT GFT9404 DELAY GENERATOR T0 TRIG IN T1 T...

Страница 13: ...double clicking the gft9404 exe file or by using the menu command Start Programs Gft9404 PXI delay Generator for VISA Gf9404 PXI delay Generator for VISA The main application window is shown below For...

Страница 14: ...board using the TAB or Shift TAB keys When an element is selected a thin red line surrounds it When selected the user may change a button state by pressing the space key Numeric elements are modified...

Страница 15: ...ence is the time of the incoming trigger or as relative delays where the reference is the time of the incoming delay plus the minimum insertion delay As the insertion delay is a small but non zero del...

Страница 16: ...on EXT INT The board is in single shot mode Enabled channels output only one pulse on the first trigger signal occurrence The board is in repetitive mode Enabled channels output a pulse for each trigg...

Страница 17: ...n as long as an error is present The trigger LED is on for one second when the board is in repetitive mode and at least one channel has triggered If the board is in single shot trigger mode the LED is...

Страница 18: ...ing and Loading Configuration Files A complete board configuration can be saved or loaded with the menu items Save config or Load config The Save config menu item saves the complete board configuratio...

Страница 19: ...xiliary Delays Channels Four independent delay outputs Range 0 to 20 seconds Resolution 5 ns RMS jitter External trigger to any 100 ps rms delay x 10 7 Accuracy 1 ns delay x 10 7 Trigger source Intern...

Страница 20: ...Fall time 5 ns Additional PXI TRIG Amplitude rise and fall time PXI standard Width 25 ns Connector PXI connector General Size PXI 1 slot Power 15 W on 3 3 V 5 V 12 V LEDs Red fault green trigger on E...

Страница 21: ...rs to direct access to NI Applications Engineers via phone and email for one to one technical support as well as exclusive access to on demand training modules via the Services Resource Center NI offe...

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