Bnc 1105 Universal Counter Instrukcja Użytkownika Pobierz pdf (Strona 38)

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4.3 Gate & External Arm operations

The MODEL 1105 provides four arming modes: auto, time, digits and

external. The descriptions are below the following table, giving the

selection items under the functions, such as Freq/Period/Ratio, Phase,

Totalize, Rise/Fall time and Time Interval:

Freq,Period,

Ratio

Phase Totalize

Rise Time,Fall Time,

+/-Width,Dutycycle

Time Interval

Auto Arming:

Auto Arming: Auto Arming:

Gate:

Auto ARM:

Auto Gate:

Auto

*ARM:

Delay*:

Time*:

Event*:

Auto

None

Time

Event

<time>

Digits Arming:

Gate:

Digits:

Digits

Time Arming:

Gate:

Time:

Time

<time>

Gate:

Time:

Time

<time>

External Arming:

External

Arming:

External

Arming:

External Arming:

Gate:

Start:

Stop:

Time:

Ext

POS

NEG

Auto

NEG

POS

Time

<time>

ARM:

Slop:

Ext

POS

NEG

Gate:

Start:

Stop:

Time:

Ext

POS

NEG

POS

Time

<time>

Gate:

Slop:

Ext

POS

NEG

*ARM:

*Slop:

*Delay:

*Time:

*Event:

Stop*:

Slop*:

Delay*

Time*:

Event*:

Ext

POS

NEG

None

Time

Event

<time>

Auto

Ext

POS

NEG

None

Time

Event

<time>

 Auto Arming

Under the Auto Arming mode as shown in the Figure 4-7 for the

available measurement including frequency, period, frequency ratio,

risetime, falltime, pulse width, dutycycle and phase, the counter

takes measurements as fast as possible, except for totalize

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 196 197

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