User Manual

min.-min.detection or dry run detection) on the signal
conditioning instrument.
When used on a control system, the following values apply:
l Mode min.
- Vibrating element uncovered - 16 mA ±1 mA
- Vibrating element covered - 8 mA ±1 mA
l Mode max.
- Vibrating element uncovered - 8 mA ±1 mA
- Vibrating element covered - 16 mA ±1 mA
Control lamp for indication of the switching condition.
l green = 8 mA
l red = 16 mA
l red (flashing) = Failure (<2.3 mA)
6.3 Function chart
OPTISWITCH 3100 C level switch
The following chart provides an overview of the switching
conditions depending on the adjusted mode and level.
Mode on the sensor Level Signal current - Sensor Signal lamp - sensor
max.
Overfill protection
8 mA
Green
max.
Overfill protection
approx. 16 mA
red
min.
Dry run protection
approx. 8 mA
Green
min.
Dry run protection
approx. 16 mA
red
Signal lamp (5)
OPTISWITCH 3100 C - with two-wire output 21
Set up
29955-EN-060830