KROHNE LS 6500 EN - Manual (Page 21)

ELECTRICAL CONNECTIONS
4
21
LS 6500
www.krohne.com 03/2013 - 4000649103 - MA LS 6500 R03 en
If Teach-In for some reason do not succeed, the device will enter "Error State" and reload factory
settings automatically. This state is indicated by a blinking LED (3 short and 1 long blink). The
error can normally be fixed by powering off and on. Alternatively remake the "Teach-In"
procedure.
The factory settings can always be reloaded by connecting the terminal "Teach-In" to -VDC for
more then 6.5 s. The reloaded factory settings will be confirmed by pulsing light intensity 3
times.
CAUTION!
•
Make sure that power is on before Teach-In.
• For best Teach-In it is important that the actual process conditions are simulated.
• During Teach-In mode the light intensity of the LED will decrease to protect your eyes.
INFORMATION!
Please observe that the LS 6500 has been factory adjusted to measure liquids with ε
r
> 2, such as
oil.
In case the media has a lower ε
r
value (e.g. powder) either a Teach-In procedure must be carried
out for the media or alternatively a manual adjustment using the configuration tool can be done.
The adjustment must be made at the medias operating temperature to avoid faulty
measurements due to temperature drift.
.book Page 21 Tuesday, March 12, 2013 11:33 AM