KROHNE OPTISWITCH 3300C 2wire EN - Manual (Page 23)

Mode on the sensor Level Signal current - Sensor Signal lamp - Sensor
Fault signal
(min./max. mode)
any <2.3 mA
flashes red
OPTISWITCH 3300 C level switch with signal conditioning
instrument 1)
The following chart provides an overview of the switching
conditions depending on the adjusted mode of the signal
conditioning instrument and the level.
Note:
Keep in mind that the mode switch of OPTISWITCH 3300 C
must be always set to "max.".
Mode on the signal
conditioning instru-
ment
Level Signal current -
Sensor
Signal lamp - Sen-
sor
Signal lamp - sig-
nal conditioning
instrument
Mode A
Overfill protection
approx. 8 mA
Green
Mode A
Overfill protection
approx. 16 mA
red
Mode B
Dry run protection
approx. 16 mA
red
Mode B
Dry run protection
approx. 8 mA
Green
1) You will find suitable signal conditioning instruments under "Technical data"
OPTISWITCH 3300 C - with two-wire output 23
Set up
29963
-EN
-060830