We just finished our initial testing with the ACT ZCU201 Z-Wave USB adapter, and here's what we found:
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It is working with the Z-Wave PC SDK and ThinkEssentials
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The drivers are the stock SunPlus USB->Serial drivers, so it will show up as a serial port in Device Manager
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Assuming that the ZCU101 (US-version) is interface-identical, it should work fine too.
That's the good news. Now here are the caveats:
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ACT is using the standard "product ID" code for a USB to Serial converter. They are not using a custom VID/PID
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This means that we cannot autodetect the device without autodetecting non-Z-Wave-adapters as well
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There are some ways to deal with the autodetect situation, but unfortunately none of them are 100% safe.
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64-bit Windows doesn't seem to be supported to date
So, to sum it up:
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The ZCU201 appears to work (and the ZCU101 will probably work too)
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The drivers for these are non-custom, serial port emulation drivers
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To use the ZCU201 with the Z-Wave PC SDK, simply pass its COM port to the ZWaveController.Connect(...) function
And if you'd like to use it with ThinkEssentials, use the "/com#" command-line option or choose the "manually setup a connection" link when you start ThinkEssentials--and pick the appropriate COM port.
Chris