Contrec 214D, Руководство пользователя, Страница: 12 / 42

Operation 8
3. OPERATION
The Model 214Di Batch Controller accepts a frequency or pulse input from a
wide range of flowmeters. The instrument is fully programmable with all
operating parameters and calculation constants programmable from the front
panel. The setup parameters are stored in a non-volatile memory and are
retained for at least 10 years in the event of a power loss.
3.1 FRONT PANEL OPERATION
Three keys on the front of the instrument provide an easy and straight
forward method to set up batches and control operations. The three keys
each have dual functions as described below:
Front Panel Keys
SETTING THE PRESET QUANTITY
The Batch quantity is programmed as follows:
Switch Action Display Comments
Press PRESET The Accumulated Total together with
the Preset quantity is displayed.
" 1 " 2345 The most significant digit of the Preset
quantity flashes indicating that it can
be changed.
Press
" 2 " 2345 Pressing the < key will increment the digit.
(The up arrow on the Stop key indicates
to increment the digit.)
STOP
RUN
ACCUM
TOTAL
PRESET