Quantum-composers 9250 Series Uživatelský manuál Strana 39
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9250 Manual Version 1.2 | Quantum Composers
39
:NCOUnts
1-15
Number of periods to
average.
:COUNt?
Reports the number of clock
counts between input pulses.
:PERiod?
Returns the period value
taking into consideration the
number of averaging counts
and system resolution. Value
is in seconds.
:ACTive?
Reports if actively counting
period. State will be zero if
not actively counting the
period.
* It should be noted that when the 9250 is in external trigger mode, it may be configured to output a single pulse,
burst of pulses, or duty cycle response of pulses upon each external input.
Command
Keyword 1
Keyword 2
Keyword 3
Parameter Range
Notes
:PULSe[1/2/n]
Command to change the
units’ channel specific
settings.
:STATe
0/1 or OFF/ON
Enables/Disables output
pulse for selected channel.
:WIDTh
8[ns] – 4000[s]
Sets the pulse width for the
selected channel. The
command should be sent
without units. If for example
8ns is desired the parameter
sent should be 8e-9, or the
decimal equivalent.
:DELay
+/-4000[s]
Sets the delay from the
timing reference to when the
pulse is created. The
command should be sent
without units. If for example
50ns is desired the
parameter sent should be
50e-9, or the decimal
equivalent.
:SYNC
T
0
,CHA,CHB,CHC,
CHD
Allows the user to select the
timing reference for each
channel.
*Note: Cannot set a channel
to by synced to itself
:MUX
0-15
Decimal representation of a 4
bit binary number (example:
15 = 1111)
:POLarity
NORMal /
COMPlement /
INVerted
Normal is active HIGH,
Inverted and Complement are
active LOW.
:OUTPut
Command to change the
channels’ output parameters.
:AMPLitude
3.3 - 5 [V]
Allows the user to select
adjustable TTL/CMOS output
voltages.
- Contents 2
- 1. Introduction 5
- 2. Safety Issues 6
- Front Panel 7
- Back Panel 8
- System Timer Functions 9
- Channel Timer Functions 10
- Digital Output Multiplexer 10
- Navigating the 9250 11
- Enabling System Output 11
- Smooth Transition Updating 11
- 5. 9250 Setup 13
- 6. 9250 Application 15
- Basic Operation 16
- Channels Section 18
- Virtual Channels 20
- Enhanced Options 21
- Command Terminal 22
- Parameter Storage 22
- 9250 Application Example 23
- 7. Operating the 9250 25
- Single Shot Mode 26
- System Burst Mode Function 26
- System Duty Cycle Function 26
- Channel Timer Overview 27
- Channel Burst Mode 28
- Channel Duty Cycle Mode 28
- External Input Overview 29
- Output Examples 31
- 8. Programming the 9250 32
- Line Termination 33
- SCPI Command Keywords 33
- SCPI Command Format 34
- SCPI Keyword Separator 34
- SCPI Optional Keywords 34
- SCPI Parameter Types 35
- Error Codes 35
- Programming Examples 35
- 9250 SCPI Command Summary 37
- *Note: commas should be 40
- IEEE 488.2 Common Commands 41
- 9250 Specifications 42
- Channel Timing Generator 43
- Trigger/Gate Input Module 43
- Output Module 44
- Communications 44
- General 44
- Overview 45
- TZ50 Specifications 47
- Terminating Into 50 Ohms 48
- Safety Marking Symbols 49
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