Two-Level Controller With Absolute Thresholds - Baumuller b maXX BM3000 Operating Manual

Description of the Software Modules and Parameters

4.7.5.2 Two-level controller with absolute thresholds

This operation mode is the classical application of two-level controllers.
Source number
2-point-controller
input
151.3
Absolute value
mode, bit 2
151.1
Figure 167:
The following is valid for the two-level controller with absolute thresholds:
m Both parameters, lower threshold and upper threshold determine the hysteresis. The
m The two-level controller with absolute thresholds is activated by bit 0 = 1 in parameter
m The two-level controller switches off, if the following is valid: 
m The two-level controller switches on, if the following is valid: 
Usage e. g. for temperature monitoring, speed monitoring a. s. o.
h(t)
y
Figure 168:
Lower
absolute threshold
151.5
1
0
Two-level-controller with absolute thresholds
lower switching threshold always must be smaller than the upper switching threshold -
the controller internally does not check the ratio of these values.
Mode Z152.1–.
Two-level controller input  Two-level controller upper switching threshold
Two-level controller input  Two-level controller lower switching threshold
Upper threshold
Lower threshold
Two-level-controller with absolute thresholds
Absolute threshold
t
t
Parameter manual b maXX BM3000
Document no.: 5.12001.07
4
Upper
absolute threshold
151.6
Status word 3,
bit 0
151.2
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