Operation – KROHNE OPTISENS OAS 2000 EN User Manual

Page 29

OPERATION

OPTISENS OAS 2000

www.krohne.com

07/2010 - MA OAS 2000 R02 en

Menu "Cleaning"

Menu "Scale / Alarm"

Submenu

Description

Press ^ to go to the cleaning program

Cleaner

"None", "Flush" or "Brush". Do not select "Brush" since this does not

exist for this sensor (only for master).

Interval min

0...999 minutes, time between cleaning cycles (only for master).

Length sec

0...999 seconds, duration of flushing cycle (only for master).

Freeze sec

0...999 seconds, extra freeze time of output signal after a

flushing cycle.

Relay

"-", "1", "2", "Along 1" or "Along 2". Select relay to operate solenoid

for flush cycle if this sensor is a master with its own relay, or relay

used by master if this sensor is a slave. These are the same relays

used for Alarm relay

Alarm relay

Alarm relay below.

Next time

The next scheduled cleaning time. Pushing ^ on this line will set the

time to current time and start a cleaning cycle. This could be used to

test the flush cycle (only for master).

Submenu

Description

Max

0...99.9 % or 0...99999.9 ppm, mg/l or g/l (units selected in the menu

"Settings"

"Settings"), equal to 20 mA output signal.

Min

0...99.9 % or 0...99999.9 ppm, mg/l or g/l (units selected in the menu

"Settings"

"Settings"), equal to 4 mA output signal.

Hi-Alarm

0...99.9 % or 0...99999.9 ppm, mg/l or g/l (units selected in the menu

"Settings"

"Settings"), the value zero inactivates the alarm.

Low-Alarm

0...99.9 % or 0...99999.9 ppm, mg/l or g/l (units selected in the menu

"Settings"

"Settings"), the value zero inactivates the alarm.

Alarm Relay

"-" "1", "2", or "1 and 2". Check that the relay is not being used for

cleaning.

.book Page 29 Friday, July 2, 2010 1:49 PM