HIMax System 3 Product Description
HI 801 001 E Rev. 4.01 Page 41 of 122
3.5.4 Considering the Effective Direction
The effective direction must be observed when considering noise blanking and output noise
blanking, see
Figure 11 and the following chapter.
Sensor
System Bus, Effective Direction from the Input
Module to the Processor Module
System Bus, Effective Direction from the
Processor Module to the Output Module
Actuator
Output Noise Blanking
System Bus, Effective Direction from the Out-
put Module to the Processor Module
Figure 11: Effective Direction Associated with Noise Blanking and Output Noise Blanking
Effective Direction from the Input Module to the Processor Module ( )
Noise blanking with effective direction from the input module to the processor module is
performed by the processor module. Noise blanking suppresses the transient interference
on the input module and on the system bus. Noise blanking on the input module can be
deactivated in the properties (SILworX) (default = activated), see the input module
manuals. Noise blanking on the system bus is always active and cannot be deactivated in
SILworX.
Effective Direction from the Processor Module to the Output Module ( )
Noise blanking with effective direction from the processor module to the output module is
performed by the output module and is always active. Noise blanking suppresses the
transient interference on the system bus.
Effective Direction from the Output Module to the Processor Module ( )
Noise blanking with effective direction from the output module to the processor module on
the system bus is performed by the processor module. Noise blanking suppresses status
acknowledgments of the output module such as SC/OC detection. Noise blanking on the
output module can be deactivated in the properties (SILworX) (default = activated), see the
output module manuals.
Output Noise Blanking ( )
Output noise blanking is performed by the output module itself. Noise blanking suppresses
the switch-off reaction of a channel to a dangerous discrepancy between the output
channel's default and read-back values. Output noise blanking can be activated for each
individual output module (default = activated), see the output module manuals.
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