Hanna Instruments HI 2300 - Manual (Page 30)

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PAR Requests the setup parameters setting.
The answer string contains:
• Instrument ID (4 chars)
• SETUP information (2 chars): 8 bit hexadecimal
encoding.
• 0x01 - beep ON (else OFF)
• 0x04 - degrees Celsius (else degrees Fahrenheit)
• cell constant, with sign and decimal point (6 chars)
• TDS factor, with sign and decimal point (5 chars)
• TC coef, with sign and decimal point (5 chars)
• Reference Temperature, with sign and decimal point
(5 chars)
• Temperature Compensation mode (1 char)
NSLx Requests the number of logged samples.
x = E - request for EC range
N - request for NaCl range
T - request for TDS range
LODExxx: Request the xxx th EC record logged data.
LODNxxx: Request the xxx th NaCl record logged data.
LODTxxx: Request the xxx th TDS record logged data.
LODEALLxx: Request all EC Log on demand. See Note.
LODNALLxx: Request all NaCl Log on demand. See Note.
LODTALLxx: Request all TDS Log on demand. See Note.
Note: The data is sent in frames of 8 records each. “xx” represents the
number of the frame. The first frame is labeled 01.
Errors:• “Err3” log on demand empty.
• “Err4” requested set parameter is not available.
• “Err5” command argument is wrong.
• “Err6” requested range not available.
• “Err7” meter in log mode.
• “Err8” is sent if instrument is not in measurement mode.
• “NAK” (21) character is sent when the instrument receives
an unknown or a corrupted command.
Note: E - request for EC range.
T - request for TDS range.
N - request for NaCl range.