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MRBP.424321.001G2 Version 1.0 15/06/2020
ates (common contact (2) closes to NO contact (1)).
If the current value of the detector is below ([Threshold 1 value]
–
[hysteresis 1 value]),
then relay
«
Threshold 1
»
returns to initial condition (common contact (2) closes to NC contact (3)).
If the current value of the detector exceeds threshold 2 value, relay
«
Threshold 2
»
oper-
ates (common contact (2) closes to NO contact (1)).
If the current value of the detector is below ([Threshold 2 value]
–
[hysteresis 2 value]),
then relay
«
Threshold 2
»
returns to initial condition (common contact (2) closes to NC contact (3)).
Example:
[threshold 1 value] = 10; [hysteresis 1 value] = 3;
On figure E.2 before the point (1) relay
«
Threshold 1
»
open, after the point (1) value of
the detector exceeds threshold 1 value - relay closed. Then in the points (2), (3), (4) relay remains
closed, as the value of the detector is not below ([threshold 1 value]
–
[hysteresis 1 value]). After
the point (5) relay open, as the values of the detector are below threshold 1 hysteresis.
Figure E.2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
20
40
60
80
100
Значение с датчика
Порог 1
Гистерезис 1
2
3
4
5
1
Relay opened
Relay closed
