KROHNE OPTISENS OAS 2000 EN - Manual (Page 22)

3
INSTALLATION
22
OPTISENS OAS 2000
www.krohne.com 07/2010 - MA OAS 2000 R02 en
There are two different ways of cleaning a sensor: The sensor can either be cleaned as a master
or as a slave. Both options are described in the following instructions.
Cleaning the sensor as a master (sensor has its own relay)
• Select the sensor in the main menu by using ↑ or ↓.
• Press ^ for approximately 5 seconds to enter the sensor menu.
• Use ↑ or ↓ to select Cleaning
Cleaning Cleaning Cleaning and press ^.
• In the Cleaning Cleaning Cleaning Cleaning submenu, select Cleaner Cleaner Cleaner Cleaner and set it to Flush Flush Flush Flush.
• Then specify the cleaning interval in minutes (Interval min Interval min Interval min Interval min) and the flush time in seconds
(Length sec Length sec Length sec Length sec).
• Specify the relay to be used according to the wiring inside the converter. For example, if the
solenoid is wired to relay #1, set Relay Relay Relay Relay to #1 #1 #1 #1 for flushing.
• For sensors configured as masters, Next time Next time Next time Next time displays that the next time flush will be
activated. Pushing ^ will set it to current time and thus start cleaning.
• If needed, specify the extra freeze time in seconds (Freeze sec Freeze sec Freeze sec Freeze sec).
Cleaning the sensor as a slave (along with another sensor)
• Select the sensor in the main menu by using ↑ or ↓.
• Press ^ for approximately five seconds to enter the sensor menu.
• Use ↑ or ↓ to select Cleaning
Cleaning Cleaning Cleaning and press ^.
• The parameters Cleaner Cleaner Cleaner Cleaner, Interval min Interval min Interval min Interval min and Length sec Length sec Length sec Length sec in the Cleaning Cleaning Cleaning Cleaning submenu are set for the
sensor being the master.
• Set Relay Relay Relay Relay to Along #1 Along #1 Along #1 Along #1 or Along #2 Along #2 Along #2 Along #2 depending on what relay the master sensor uses.
• If needed, specify the extra freeze time in seconds (Freeze sec Freeze sec Freeze sec Freeze sec).
Figure 3-5: Flushing system
1 Flushing
2 Flushing tube
INFORMATION!
In order to clean the sensor, flushing must be activated in the Settings
Settings Settings Settings menu of the converter.
.book Page 22 Friday, July 2, 2010 1:49 PM