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    Valve Failure Message

    Over the weekend, I installed a new USB Serial Hub (Comtrol) and hooked up the sprinkler plugin to it. Now it seems to be hit and miss turning on and off the sprinklers and I'm getting value failures about 50% of the time. This is what's in the I/O log.

    Any ideas on a fix?

    9/12/2011 11:06:40 A | 7069185 | NET(0) OUT | 40, 01, 32
    9/12/2011 11:06:40 A | 7069185 | NET IN | Discarded Response C0
    9/12/2011 11:06:42 A | 7071197 | Net Send Timeout
    9/12/2011 11:06:42 A | 7071197 | NET(0) OUT | 40, 01, 32
    9/12/2011 11:06:42 A | 7071197 | NET IN | Discarded Response 01
    9/12/2011 11:06:42 A | 7071197 | NET IN | Discarded Response 32
    9/12/2011 11:06:42 A | 7071213 | NET IN | Discarded Response C0
    9/12/2011 11:06:44 A | 7073210 | Net Send Timeout
    9/12/2011 11:06:44 A | 7073210 | NET(0) OUT | 40, 01, 32
    9/12/2011 11:06:44 A | 7073210 | NET IN | Discarded Response 01
    9/12/2011 11:06:44 A | 7073210 | NET IN | Discarded Response 32
    9/12/2011 11:06:44 A | 7073210 | NET IN | Discarded Response C0
    9/12/2011 11:06:46 A | 7075222 | Net Send Timeout
    9/12/2011 11:06:46 A | 7075222 | NET(0) OUT | 40, 01, 32
    9/12/2011 11:06:46 A | 7075222 | NET IN | Discarded Response 01
    9/12/2011 11:06:46 A | 7075238 | NET IN | Discarded Response 32
    9/12/2011 11:06:46 A | 7075238 | NET IN | Discarded Response C0
    9/12/2011 11:06:48 A | 7077234 | Net Send Timeout
    Regards, Bob

    #2
    The low level communications are not quite correct. Note the C0 being returned when a 40 is expected. Kind of looks like 7 bits plus parity rather than 8 bits are being transmitted. This looks to be at the comtrol driver level or setup of the usb hub.

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