Threshold with hysteresis

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Function

This module sends telegrams when a threshold value is stepped through or when two threshold values are stepped through from above. Additional output values are described in the value table (below).

Inputs

Type	Initial value	Description
Threshold 1	0	The lower threshold of the logic module is set here.
Threshold 2	0	The upper threshold of the logic module is set here.
Input signal	0	The communication object to be processed is assigned here.

Outputs

Output 1 (send by change)	0	This output sends a 1 when the value of the input signal is greater than threshold 2 with hysteresis threshold 1. If the threshold is exceeded, the telegram is sent once. To ensure that this output sends a 1, the input value must previously have stepped through Threshold 1 from below. A 1-bit value is output. The output does not send on a restart.
Output 2 (send by change)	0	This output sends a 1 when the value of the input signal is smaller than threshold 1 with hysteresis threshold 2. If the threshold is exceeded, the telegram is sent once. A 1-bit value is output. The output does not send on a restart.
Output 3 (send)	0	This output sends a 1 when the input value is above Threshold 2 A 1-bit value is output.
Output 4 (send)	0	This output sends a 1 when the input value is below Threshold 1 A 1-bit value is output.

Commands

Command (Output 1)	-	The commands assigned here are run when the value of output 1 is not equal to zero.
Command (Output 2)	-	The commands assigned here are run when the value of output 2 is not equal to zero.
Command (Output 3)	-	The commands assigned here are run when the value of output 3 is not equal to zero and when a telegram is sent.
Command (Output 4)	-	The commands assigned here are run when the value of output 4 is not equal to zero and when a telegram is sent.

Other

Telegram interval	0	Can be changed.
Recalculated on start	Yes
Module is retentive	No

Internal designation: 9025

Value table provided as an example

Telegram	Input value	SW1	SW2	Output 1 sends	Output 2 sends	Output 3 sends	Output 4 sends
1	1	2	4	-	1	0	1
2	2	2	4	-	-	-	-
3	3	2	4	-	-	-	-
4	4	2	4	-	-	-	-
5	5	2	4	1	0	1	0
6	6	2	4	-	-	1	0
7	5	2	4	-	-	1	0
8	4	2	4	-	-	-	-
9	3	2	4	-	-	-	-
10	4	2	4	-	-	-	-
11	5	2	4	-	-	1	0
12	4	2	4	-	-	-	-
13	3	2	4	-	-	-	-
14	2	2	4	-	-	-	-
15	1	2	4	0	1	0	1
16	2	2	4	-	-	-	-
17	3	2	4	-	-	-	-
18	2	2	4	-	-	-	-
19	1	2	4	-	-	0	1

Similar functions

Curve functions (2/4 point), Heat controller, Cool controller

Help / Logic / Threshold value with hysteresis / Inputs / Outputs / Value table / Beginning of text