Catalog No. 29290
23
Rev 3 06/2020
4.2.1 Configuring the 4-20mA Output
The 4mA can be set higher than the 20mA level to invert the
output current is required. This may be required to control a
dosing pump.
See 4.2.13 to calibrate the 4-20mA output.
Enable 4-20mA – Enable or Disable 4-20mA Output
: Enter the
CONFIG
mode by pressing the
and
buttons until the arrow beside
CONFIG
is displayed, then press the
button. The next three menus
appear only if the 4-20mA is enabled. If disabled skip down to 4.2.2
•
This will be the first menu shown unless the options flow switch was
ordered. Use the
or
buttons to select whether the 4-20mA will be
On
or
OFF
. Press the
button to accept the setting and move to the next
menu or the
button to exit and return to
AUTO
.
Setting 4mA - Setting the 4mA:
•
The first prompt will be the turbidity limit assigned to the 4mA output level:
•
Select the turbidity level to assign to the
4MA
using the
and
buttons.
The factory setting is 0.02 NTU.
Setting 20mA - Setting the 20mA:
•
Next, select the turbidity level to assign to the
20mA
output level using the
and
buttons. The factory setting is 100.00 NTU.
Содержание HF scientific 28052
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