Quick Start 2
Keysight 34970A/34972A Service Guide 39
To Close a Channel
On the multiplexer and switch modules, you can close and open individual relays
on the module. However, note that if you have already configured any multiplexer
channels for scanning, you cannot independently close and open individual relays
on that module.
1 Select the channel.
Turn the knob until the desired channel is shown on the right side of
front-panel display. For this example, select channel 213.
2 Close the selected channel.
3 Open the selected channel.
The table below shows the low-level control operations available for each of
the plug-in modules.
will sequentially open all channels on the module in the selected slot.
Plug-In Module
34901A 20-Channel Mux YYY Y
34902A 16-Channel Mux YYY Y
34908A 40-Channel Single-Ended Mux
[a]
YYY Y
34903A 20-Channel Actuator YY
34904A 4x8 Matrix YY
34905A Dual 4-Channel RF Mux (50Ω)
[b]
Y
34906A Dual 4-Channel RF Mux (75Ω)
[b]
Y
34907A Multifunction Module (DIO) YY Y
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