Campbell Scientific CR1000KD CR1000 Measurement and Control System - Page 215
CRBasic Example 41., Measure Sensors / Send RS
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Section 7. Installation recognize the C command. CR1000 dataloggers, however, require custom programming to output and accept these same ASCII strings. A similar program can be used to emulate CR10X and CR23X dataloggers. Solution: CRBasic example Measure Sensors / Send RS-232 Data (p. 215) imports and exports serial data via the CR1000 RS-232 port. Imported data are expected to have the form of the legacy Campbell Scientific time set C command. Exported data has the form of the legacy Campbell Scientific Printable ASCII format. Note The nine-pin RS-232 port can be used to download the CR1000 program if the SerialOpen() baud rate matches that of the datalogger support software (p. 399, p. 451). However, two-way PakBus® communications will cause the CR1000 to occasionally send unsolicited PakBus® packets out the RS-232 port for at least 40 seconds after the last PakBus® communication. This will produce some "noise" on the intended data-output signal. Monitor the CR1000 RS-232 port with the HyperTerminal instance described in Configure HyperTerminal (p. 211). Send C-command file to set the clock according to the text in the file. Note The HyperTerminal file will not update automatically with actual time. The file only simulates a clock source for the purposes of this example. CRBasic Example 41. Measure Sensors / Send RS‐232 Data 'CR1000 is programmed to accept legacy "C" command to set the CR1000 clock. 'Declarations 'Visible Variables Public StationID Public KWH_In Public KVarH_I Public KWHHold Public KVarHold Public KWHH Public KvarH Public InString As String * 25 Public OutString As String * 100 'Hidden Variables Dim i, rTime(9), OneMinData(6), OutFrag(6) As String Dim InStringSize, InStringSplit(5) As String Dim Date, Month, Year, DOY, Hour, Minute, Second, uSecond Dim LeapMOD4, LeapMOD100, LeapMOD400 Dim Leap4 As Boolean, Leap100 As Boolean, Leap400 As Boolean Dim LeapYear As Boolean Dim ClkSet(7) As Float 215
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