Chapter 12 RS-232C Communication
12.4 List of Serial Command
F-52, 53, 54, 55 165
The error is indicated by a hexadecimal number. When two or more errors have occurred, the
incremental number that shows all the errors is indicated.
Alarm inquiry R AL x,y x: channel number
y: Request mode
(0: Model alarm,
1: pH,
2: mV, 3: ion,
4: conductivity,
salinity, resistivity)
RAL,x,y,zzzzzzzz x: channel number
y: Request mode
zzzzzzzz: Error con-
tents (bit basis)
0x00000002: Battery
voltage drop (model)
0x00000004:
Electrode instability
(other than model)
0 ｘ 00000008:
Abnormal asymmetry
potential (pH)
0 ｘ 00000010: Abnor-
mal sensibility (pH)
0 ｘ 00000020:
Excess calibration
points (pH, ion)
0 ｘ 00000040:
Standard solution dis-
crimination incapable
(pH)
0 ｘ 00000080:
Calibration interval
elapsed (pH)
0 ｘ 00000200: Excess
memory data (model)
0 ｘ 00000400:
Cell constant outside
range
(conductivity, salinity,
resistivity)
Command
for...
Command
Parameter
Parameter
description
Response Note
Header
Comma
nd code
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