Table 2-1. Power-on and Reset States.

Parameter

Power-on/Reset State

Parameter

Power-on/Reset State

 

 

 

 

 

 

OUTPut:TTLT0-7:STATe

OFF (all TTLTrigger lines)

TRIGger:LEVel2

-256V (channel 2 level)

 

 

 

 

 

 

ROSCillator:SOURce

INTernal

TRIGger:LEVel3

-256V (channel 3 level)

 

 

 

 

 

 

SWEep:POINts

1 (one sample)

TRIGger:LEVel4

-256V (channel 4 level)

 

 

 

 

 

 

SWEep:OFFSet:POINts

0 (no pretrigger samples)

TRIGger:SOURce1

IMMediate (source 1

 

 

 

 

not ch 1)

 

 

 

 

 

 

VOLT1:RANGe

256V (channel 1 range)

TRIGger:SOURce2

HOLD (source 2 not ch 2)

 

 

 

 

 

 

VOLT2:RANGe

256V (channel 2 range)

TRIGger:SLOPe1

POSitive (slope 1 not ch 1)

 

 

 

 

 

 

VOLT3:RANGe

256V (channel 3 range)

TRIGger:SLOPe2

POSitive (slope 2 not ch 2)

 

 

 

 

 

 

Input Overload Condition

NOTE

Overload voltages may occur which will open the channel input relay disconnecting the input signal from the channel. Overload voltage by range is shown in the following table.

Range

Voltage Input Condition

Vmax

 

 

 

62 mV to 4V

High or Low to Guard

>20V

 

 

 

16V to 256V

Low to Guard

>40V

 

 

 

The overload is reported both when the readings are retrieved and when the next measurement is initiated. If an overload occurred, an error message is returned when data is retrieved informing you that the data is questionable (Overload detected - data questionable). An error message is also returned when you initiate the next measurement (Overload detected - attempting

re-connect of input relays).

Relays open at approxiately 260V. If this happens, you must reprogram the input range to close by executing INP <channel> ON.

36 Using the Digitizers

Chapter 2

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Agilent Technologies E1564A, E1563A user manual Input Overload Condition, Using the Digitizers Chapter

E1563A, E1564A specifications

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