LabJack U12 User Manual
Also see for U12: User guideQuick guideQuick start guide
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Declaration:long __cdecl Watchdog ( long *idnum,long demo,long active,long timeout,long reset,long activeD0,long activeD1,long activeD8,long stateD0,long stateD1,long stateD8 )Parameter Description:Returns: LabJack errorcodes or 0 for no error.Inputs:• *idnum – Local ID, serial number, or -1 for first found.• demo – Send 0 for normal operation, >0 for demo mode. Demo mode allowsthis function to be called without a LabJack.• active – Enables the LabJack watchdog function. If enabled, the 32-bit counteris disabled.• timeout – Timer reset value in seconds.• reset – If >0, the LabJack will reset on timeout.• activeDn – If >0, Dn will be set to stateDn upon timeout.• stateDn – Timeout state of Dn, 0=low, >0=high.Outputs:• *idnum – Returns the local ID or –1 if no LabJack is found.4.20 ReadMemReads 4 bytes from a specified address in the LabJack's nonvolatile memory. Execution timefor this function is 20 milliseconds or less.Declaration:long __cdecl ReadMem ( long *idnum,long address,long *data3,long *data2,long *data1,long *data0 )Parameter Description:Returns: LabJack errorcodes or 0 for no error.Inputs:• *idnum – Local ID, serial number, or -1 for first found.• address – Starting address of data to read (0-8188).Outputs:• *idnum – Returns the local ID or –1 if no LabJack is found.• *data3 – Byte at address.• *data2 – Byte at address+1.• *data1 – Byte at address+2.• *data0 – Byte at address+3. |
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