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LabJack U3 User Manual

LabJack U3
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Response:
Byte
0 Checksum8
10xF8
WatchdogOptions: Set the appropriate bits to reset the device and/or update the state of
1 digital output.
TimeoutPeriod: The watchdog timer is reset to zero on any incoming USB
f a write and read, but StreamData is
s
20x05
30x09
4 Checksum16 (LSB)
5 Checksum16 (MSB)
6 Errorcode
7 WatchdogOptions
8-9 TimeoutPeriod
10 DIOConfig
11 Reserved
12 Reserved
13 Reserved
14 Reserved
15 Reserved
communication. Note that most functions consist o
outgoing only and does not reset the watchdog. If the watchdog timer is not reset before
it counts up to TimeoutPeriod, the actions specified by WatchdogOptions will occur. The
watchdog timer has a clock rate of about 1 Hz, so a TimeoutPeriod range of 1-65535
corresponds to about 1 to 65535 seconds.
DIOConfig: Determines which digital I/O is affected by the watchdog, and the state it i
set to. The specified DIO must have previously been configured for output. DIO# is a
value from 0-19 according to the following:
0-7 FIO0-FIO7
8-15 EIO0-EIO7
16-19 CIO0-CIO3
105

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LabJack U3 Specifications

General IconGeneral
Analog Outputs2
Analog Output Resolution10 bits
Digital I/O20
Counter/Timers2
InterfaceUSB
Operating Voltage5 V
ManufacturerLabJack Corporation
Analog Inputs16
Analog Input Resolution12-bit
Max Sample Rate50 kHz