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Commissioning
Factory settings
The first time it is switched on, the device has the factory setting for all functions. The table
below provides an overview of the most important settings.
All other factory settings can be found in the description of the individual function groups in the
"System configuration" section (the factory setting is highlighted in bold).
Function
Type of measurement
Type of measurement compensation
Temperature compensation
Limit value for controller 1
Limit value for controller 2
Hold
Contact 1 ... 4
Current outputs 1* and 2*
Current output 1: measured value for 4
mA signal current*
Current output 1: measured value for 20
mA signal current*
Current output 2: temperature value for 4
mA signal current*
Current output 2: temperature value for
20 mA signal current*
* For corresponding version
66
Factory setting
pH or ORP absolute,
Temperature measurement in C
Linear with reference temperature 25 C (77 °F)
Automatic (ATC on)
pH 16 (ORP: -1500 mV or 0 %)
pH 16 (ORP: +1500 mV or 100 %)
Active during configuration and calibration
Limit contactor pH, function off
4 ... 20 mA
pH 2
pH 12
0.0 C (32 °F)
100.0 C (212 °F)
OPM223/253
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