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29 Parameters
900 Touch Control
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455
29.15.5.3 Monitoring
Under [Monitoring], the parameters for monitoring the following quanti-
ties are defined:
￭ Measured value
￭ Temperature
Remote signals or RS-232 commands can be assigned to the monitored
quantities (see "Communication", page 458). These remote signals or
RS-232 commands are sent if a limit has been infringed. This can be used,
for example, to switch a thermostat on/off if necessary.
The parameters are identical for all monitored quantities.
Measuring mode
Selection of the measuring mode to be monitored.
Selection pH | U
Default value pH
pH
Dosing with monitoring the pH value.
U
Dosing with monitoring the voltage.
Monitoring
on | off (Default value: off)
Enabling and disabling the monitoring function.
Lower limit
When the monitored quantity falls below this value, the action defined in
the following is triggered.
The values that are actually measurable may vary from the values specified
here, depending on the hardware. The binding measurement value ranges
can be found in the "Technical specifications" chapter for the control
device used.
Measuring mode pH:
Input range –20.000 to 20.000
Default value –20.000
Measuring mode U:
Input range
–2,000.0 to 2,000.0 mV
Default value –2,000.0 mV
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