Keysight Technologies L4490A, Руководство пользователя

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Keysight L4490A/L4491A User’s Guide 91
Introduction to Programming
Observe Only / Allow Full Control
These settings disable/enable control of the 34945EXT from the Web interface.
When ‘Observe Only’ is set, many of the features programmable from the dialog
boxes (Configure Bank 1..., Configure Module..., etc.) are disabled.
Viewing Remote Modules
The remote module is the 34945EXT module within the L4490A/L4491A (Figure
2-1). L4491A Option 002 adds a second 34945EXT to the L4491A platform. The
L4490A/L4491A can support up to eight 34945EXT modules external to the switch
platform. The remote module currently selected is the one configured by the
interface.
Remote Module (34945EXT) Configuration Window
The remote module (34945EXT) configuration window provides settings that apply
to all banks (i.e. distribution boards) on the EXT module.
Figure 4-3. The Remote Module Configuration Window.
These settings include:
- channel drive source - this is the source of the power supply for the EXT
module. For the master 34945EXT, valid sources are off, internal, and external.
For all slave 34945EXTs, valid sources are off and external.
Note that the channel drive source must be off prior to configuring individual
switches or attenuators (see “Switch/Attenuator Channel Configuration
Window”).
- number of simultaneous operations - this sets the number of simultaneous
channel activations (open/close) per command. For example, given a list of four
channels and a specified number of four operations, a single open or close
command will attempt to open/close all four channels simultaneously.