Agilent Technologies 22A Specifiche Scaricare il pdf (Pagina 8)

Multiple multiplexers can connect

to the built-in analog buses, allowing

you to scan up to 560 2-wire channels

or 640 1-wire channels in a single

mainframe. The 34921A also offers

4 channels for directly measuring

current. Or if you need more current

channels, shunts can be added to the

terminal block for easy current

measurements.

The multiplexer modules feature

break-before-make connections to

ensure that no two signals are con-

nected to each other during a scan.

Or, if you prefer, you can control

switching manually to create your

own switch configuration. All the

multiplexer switches have a relay

counter to help predict when relays

need to be replaced.

Figure 4. 34925A 40/80-channel optically isolated FET mux (shown in 1-wire mode bank 2)

ABus1 DMM (MEAS) ABus2 DMM (SENS) ABus3 ABus4

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Figure 3. 34922A 70-channel armature multiplexer (bank 1 shown)

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ABus1 DMM (MEAS) ABus2 DMM (SENS) ABus3 ABus4

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Agilent Technologies 22A Specifiche Pagina 8

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