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BNC 577 User Manual

Page 35

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Model 577 Operating Manual

29

Keyword

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

10 ns to

999.999,999,999,75

s

Sets the pulse width for the selected channel.

:DELay

0 to

999.999,999,999,75

s

Sets the delay from the timing reference to when the pulse is
created.

:SYNC

T0,CHA,CHB-CHH

Allows the user to select the timing reference for each
channel.
*Note: When in external clock input mode T

0

will be the clock

input.

:MUX

0-255

Decimal representation of an 8 bit binary number (example:
255 = 1111 1111)

:POLarity

NORMal,

COMPlement,

INVerted

Normal is active HIGH, Inverted and Complement are active
LOW.

:OUTPut

:MODe

TTL / ADJustable

Allows the user to select either TTL logic mode or Adjustable
voltage output mode.

:AMPLitude

2.0 V to 20 V

Allows the user to select the voltage potential for Adjustable
output mode.

:CMODe

NORMal, SINGle,

BURSt, DCYCle

Allows the user to select the pattern of outputs to use on the
channel level.

:BCOunter

1 to 10,000,000

When the channel is in Burst mode will allow user to select
the number of pulses to output with each input clock pulse.

:PCOunter

1 to 10,000,000

When the channel is in duty cycle mode will allow the user to
select the number of pulses to create with each clock pulse.

:OCOunter

1 to 10,000,000

When the channel is in duty cycle mode will allow the user to
select the number of pulses to suppress with each clock
pulse.

:WCOunter

1 to 10,000,000

Allows the user to select how many clock cycles to wait until
the channel should start creating a output pulse.

:CTRIg

?

Allows the user to query the trigger source for that channel
when the gate is used in trigger mode.
*Note: For the gate to be used as a trigger source the unit
must have the dual trigger option.

:CGATe

DIS / LOW / HIGH

Sets the channel gate mode to Disabled, Active High or Active
Low mode.