6.11 Analog output 1 (pH/ORP):
Enter setup of Analog 1. Select 0~20mA or 4~20mA current output. Set the related
value to the range of pH/ORP measurement. If the range or the pH/ORP measurement
is smaller, the resolution of current output is higher. When the measured value exceeds
the higher range limit, the current will remain approximately 22mA output. When the
measured value exceeds the lower range limit, under 0~20mA mode the current output
will remain 0mA output; while under 4~20mA mode the current output will remain
approximately 2mA output. The exceptional output value can be used as a basis for
failure determination. Under HOLD(measurement) status, the current output maintain
the last output value before HOLD status. However, in order for convenience of
insuring the current setting of an external recorder or of a PLC controller, the current
output will be 0/4mA or 20mA under the analog output setup menu.
Press or to
set the lower limit of
pH value relative to
0.0mA output signal.
At the time the current
output maintains at
0mA.
Press
or
to select to current
output range,
0-20mA or
4-20mA.
Enter “Analog 2” Setup(Temperature/PID)
Press to confirm it.
Press to confirm it.
Press to confirm it.
Press or to
set the lower limit of
pH value relative to
4.0mA output signal.
At the time the current
output maintains at
4mA.
Press to confirm it.
Press or to
set the upper limit of
pH value relative to
20.0mA output signal.
At the time the current
output maintains at
20mA.
Press to confirm it.
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