NIVELCO EasyTREK SCA-300 Series, Programming Manual, Page: 11 / 28

EasyTREK Compact Ultrasonic Level Transmitters 9
1.3 Relay Output
P13: - - - a Relay function
a Relay function Also set:
0 DIFFERENTIAL LEVEL CONTROL
(Hysteresis control)
Relay is energised if the measured or calculated
value exceeds the value set in P14
Relay is de-energised if the measured or calculated
value descends under the value set in P15
Relay
Level
P14
P15
Time
Energised:
De-energised:
P14, P15
There is a need to set
(in level min 20mm)
hysteresis between
P14 and P15
1 Relay is energised in case of Echo Loss -
2 Relay is de-energised in case of Echo Loss -
3 COUNTER
Used for open channel flow metering.
A 140 msec pulse is generated every 1, 10, 100,
1.000 or 10.000 m
3 according to P16.
P16= 0: 1m
3
P16= 1: 10 m 3
P16= 2: 100 m 3
P16= 3: 1.000 m
3
P16= 4: 10.000 m
3
FACTORY DEFAULT: 2
P14: … Relay parameter – Setpoint value
P15: … Relay parameter – Setpoint value
P16: … Relay parameter – Pulse rate see P13(3)
FACTORY DEFAULT: P14=0, P15=0, P16=0