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How can I open/close the switches of HP34903A independently via the subvi "HP34970A switch.vi"separated from "HP34970A GP Switch DEMO.vi" in HP34970A driver?

I separated the subvi HP34970A switch.vi from the HP34970A GP Swich DEMO.vi in HP34970A driver. But I found that first I ran the subvi to close switch2 and switch3, then I ran the subvi to open switch3,but the result is both channels were open. Finally I found whenever you run the subvi HP34970A switch to close some switches, all other switches will be open. Can anyone tell me how I can open/close the switches of HP34903A independently?
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I use this VI and have no problem independently opening and closing the relays. Check that the Close Exclusive input is set to "Normal". Also, are you sure that the Channel List input only has a single entry? Using your example, the first time you run it, the channel list should be 102,103 with Open/Close set to close. The second time, the channel list should be 103 and Open/Close set to open.
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