Hach si792 D series, User Manual

Page: 39 / 96

Operation—si792(x) D (4–20 mA/HART)
37
Press
ENTER
to access a menu item. Use the
ARROW KEYS
to edit
values. Press
ENTER
to save the settings. If a value is outside of the
acceptable range, “Err” will be displayed and the value will not be
accepted. To exit the menu and return to the measurement mode, press
CONF
and then
ENTER
.
Example
: Set the 4 mA current output signal to 2 mg/L O
2
.
1.
Press
CONF
, enter passcode: 1200,
ENTER
. The display will show
Conf and then
out.1MNU
.
2.
Press
ENTER
to access the output setup menu. The display will
show
o1.UniT
.
3.
Press
ENTER
,
ENTER
to show the 4 mA submenu. The display will
show
o1.4mA
.
4.
Use the
UP ARROW
and
RIGHT ARROW
to edit the value to
03.00 mg/L. Press
ENTER
to save the value. The display will show
o1.20mA
.
5.
Press
CONF
and then
ENTER
to exit the configuration menu.
Specify the value for the 4 mA signal (
section 5.2.1.1
)
o1. 4mA Enter the minimum DO or GAS value (default: 0%)
Specify the value for the 20 mA signal (
section 5.2.1.1
)
o1.20mA Enter the maximum DO or GAS value (default: 500%)
Set time averaging filter for reducing noise (
section 5.2.1.2
)
o1.Ftme Enter the time in seconds (0 to 120 seconds; default: 0 seconds)
Send a 22 mA signal during errors (
section 5.2.1.3
)
o1.FAil
On
Off (default)
Specify the value to send during HOLD periods (
section 5.2.1.4
)
o1.HoLD
LAST measured value (default)
FIXed
Enter the value in mA (0 to 22 mA; default: 21 mA)
Table 9 Output setup menu—out.1
MNU
(Continued)