Xylem PC320 Process Controller - Manual (Page 12)

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button to enter any of the setup sub-menus. These sub-menus are Set Sensor Type,
Calibrate Sensor, Polynomial Mode, 4-20mA Output Calibration, Decimal Places,
Averaging Time, Power Saving, Relay Settings, and Relay Test Mode. Note that while
in the setup menus, all normal operations will stop. After one minute of inactivity,
the PC320 will automatically return to the main display and operation mode.
Set Sensor Type:
Press the RIGHT arrow button to enter this or any other sub-menu. To change the
sensor type, use the UP and DOWN arrow buttons to scroll through the different pre-
programmed sensor types, or to select the “Custom” sensor option. Select the sensor
type and press SAVE. Press MENU to move forward to the units menu. Each sensor
type has pre-defined engineering units to choose from, as well as a “Custom” setting
that allows the units to be set to any 4 character symbol. Select the desired units and
press SAVE. For the case of custom sensor or custom units, press the LEFT and
RIGHT arrows to select a character to change, then use the UP and DOWN arrow
buttons to scroll through upper and lower case letters, numbers, and a list of special
characters. When all characters in the custom sensor name or units menus have been
changed, press SAVE to store them to memory. A list of standard sensors and units is
shown in the Specifications Section of this manual. Custom Sensor names are limited
to 16 characters and Custom Units are limited to 4.
Calibrate Sensor:
To change or check the sensor calibration press the RIGHT arrow button. To skip the
calibration option press the MENU key to move to the next programming option.