Units Meaning
MMH2O4C Pressure in millimeters of water at 4°C
MMH2O20C Pressure in millimeters of water at 20°C
FTH2O60F Pressure in feet of water at 60°F
Table 8: Error codes
Error Number Error Description
100 A non-numeric entry was received where it should be a numeric entry
101 Too many significant digits entered
102 Invalid units or parameter value received
103 Entry is above the upper limit of the allowable range
104 Entry is below the lower limit of the allowable range
105 A required command parameter was missing
106 An invalid pressure unit was received
107 An invalid CJC_STATE was received
108 An invalid TSENS_TYPE was received
109 Pressure module not connected
110 An unknown command was received
111 An invalid RTD or TC parameter value was received
112 The serial input buffer overflowed
113 Too many entries in the command line
114 The serial output buffer overflowed
115 Output is overloaded
116 Calibrator not in pulse train mode when TRIG was received
117 An invalid FREQ_TYPE was received
8.5 Entering Commands
Commands for the calibrator may be entered in upper or lower case. There is at least one
space required between the command and parameter, all other spaces are optional. Almost
all commands for the calibrator are sequential, any overlapped commands will be indicated
as such. This section will briefly explain each of the commands and describe their general
use, which will include any parameters that may be entered with the command as well as
what the output of the command is.
8.5-1 Common Commands
*CLS
Clears the ESR, the error queue and the RQS bit. Also terminates all pending operations.
When writing programs, use before each procedure to avoid buffer overflow.
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