Delta MS250 Manual del operador descargar pdf (Pagina 18)

Operator's Manual

Digital Setup

Digital Logic Setup

Each lead bank requires a Logic Setup to determine the assignment of a 1 or 0, depending

on the measured voltage relative to the Threshold.

Threshold Level

The threshold level determines how the input signal is interpreted. Input voltages less than

the threshold are converted to 0, while input voltages greater than the threshold are

converted to 1.

To set Threshold:

1. Go to Vertical > Digital 1 Setup to Display the Digital Setup dialog. Open the Logic

Setup tab.

2. For each available lead bank, Touch Logic Family and either chose one of the

standard families or User Defined.

TTL circuits use a threshold voltage level of 1.58 V. ECL circuits use a threshold

voltage level of -1.39 V.

3. If you chose User Defined, enter a custom Threshold and Hysteresis.

Custom threshold levels can be set between –10.0 V and +10.0 V.

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Delta MS250 Manual del operador Pagina 18