Modes Of Operation - Xylem WTW Turb PLUS 2000 Operating Manual

Process turbidimeter
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Setup, Configuration and Calibration

Modes of Operation

There are four modes of operation, AUTO, CAL, CONFIG & HOLD. To change between AUTO,
CAL, HOLD, and CONFIG use the
AUTO mode is the normal automatic operation. This is the default mode when power is applied or
restored. The other three modes of operation are limited to 15 minutes with no key presses after
which they will return to AUTO made operation.
CAL is the calibration mode. All reading outputs and alarms are held while in this mode of
operation. The instrument was calibrated and tested prior to leaving the factory. Therefore, it is
possible to use the instrument directly out of the box. Under normal conditions, re-calibration is
required once every three months. Quarterly calibration ensures performance within accuracy
specifications.
Relay contacts and the 4-20mA will be frozen (held at the current state) while the instrument is in
the calibration mode
While in the calibration mode, the instrument has a time-out feature that automatically returns the
system operation to the AUTO mode after a fifteen (15) minute period of inactivity.
1. Enter the CAL mode of the instrument by pressing the
illuminated, then press the
2. Use the
and
3. To exit the CAL mode start a calibration point after the countdown starts press
screen shows ABRT press the
CONFIG is the configuration mode. In CONFIG mode, you can customize the instrument
according to needs and preferred operation at any time during normal operation. The CONFIG
mode has been split into sub-menus to facilitate instrument configuration. This is also where
logged files and calibration logs can be downloaded and where new software, when available, can
be uploaded.
All reading outputs and alarms are held while in this mode of operation. Relay contacts and the 4-
20mA will be frozen (held at the current state) while the instrument is in the configuration mode.
While in the configuration mode, the instrument has a time-out feature that automatically returns
the system operation to the AUTO mode after a fifteen (15) minute period.
1. Enter the CONFIG mode of the instrument by pressing the
CONFIG is illuminated, then press the
2. To exit the CONFIG mode at any time, press the
3. The
and
buttons are used to move forward and backward through the menus.
100193 Rev 0 ba77254e01 11/2020
and then the
button.
buttons to move forward and backward through the calibration points.
button.
button to select.
or
buttons until the arrow beside CAL is
or
button.
button.
Turb PLUS 2000
or . When the
buttons until the arrow beside
23

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