HBM MX440B - Page 189

Functions and outputs
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I3031-14.0 HBM: public 189
Limit value monitoring
The limit value unit consists of eight limit value switches
for monitoring of eight signals. Any signal that is available
throughout the system can be used as the input signal.
The logic output can be assigned to a digital output.
Parameterization includes the input signal and, in addi
tion, the switching threshold, hysteresis, switching logic
and output logic.
The update rate of limit values is 4800 Hz.
Switching on
Switching level
Hysteresis value
Switching level
Switching on
Switch off
Switch off
Over limit
Under limit
Hysteresis value
24 V
0 V
24 V
0 V
LV1
LV2
LV1 logic 1
LV2 logic 1
Fig. 10.5 Limit value functions and parameters