Endress+Hauser Liquisys M CCM223, Operating Instructions Manual

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Liquisys M CCM223/253 Operability
Hauser 29
5.2.3 Key assignment
CAL key
When you press the CAL key, the device first prompts you for the
calibration access code:
• Code 22 for calibration
• Code 0 or any other code for reading the last calibration data
Use the CAL key to accept the calibration data or to switch from field
to field within the calibration menu.
ENTER key
When you press the ENTER key, the device first prompts you for the
setup access code:
• Code 22 for setup and configuration
• Code 0 or any other code for reading all configuration data.
The ENTER key has several functions:
• Calls up the Setup menu from the measuring mode.
• Saves (confirms) data entered in the setup mode.
• Moves on within function groups.
PLUS key and MINUS key
In setup mode, the PLUS and MINUS keys have the following
functions:
• Selection of function groups.
Press the MINUS key to select the function groups in the order
given in the "System configuration" section.
• Configuration of parameters and numerical values
• Operation of the relay in manual mode
In measuring mode, you get the following sequence of functions by
repeatedly pressing the PLUS key :
1. Temperature display in °F
2. Temperature display hidden
3. pH measuring value or ORP potential (only on EP version)
4. pH sensor signal in mV (only on EP version)
5. Measured value display of Cl
2
/ ClO
2
in nA
6. Zero current of the sensor CCS120
7. Measured value display of current input in %
8. Measured value display of current input in mA
9. Return to basic settings
In measuring mode, the following is displayed in sequence by
repeatedly pressing the MINUS key:
1. Current errors are displayed in rotation (max. 10).
2. Once all errors have been displayed, the standard measurement
display appears. In the function group F, an alarm can be defined
separately for each error code.