Operation – KROHNE OPTISENS PAS 2000 EN User Manual

Page 22

OPERATION

OPTISENS PAS 2000

www.krohne.com

11/2008 • MA PAS 2000 R04 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.

Interval min

0...999 minutes, time between cleaning cycles.

Length sec

0...999 seconds, duration of flushing cycle.

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.

Submenu

Description

Max

Measured value corresponding to 100 %, equal to 20 mA output signal (or 4 mA if 20-
4 mA is used).

Min

Measured value corresponding to 0 %, equal to 4 mA output signal (or 20 mA if 20-4 mA
is used).

Hi-Alarm

Level that activates an alarm when exceeded, 0 = not in use.

Low-Alarm

Level that activates an alarm when underpassed, 0 = not in use.

Alarm Relay

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

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