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ifm
System Manual
ecomat
mobile
PDM360NG (CR1080, CR1081, CR9042) Target V01
2011-07-28
Configurations
Function configuration of the inputs and outputs
75
Digital inputs
7345
Depending on the device, the digital inputs can be configured differently. In addition to the protective
mechanisms against interference, the digital inputs are internally evaluated via an analogue stage.
This enables diagnosis of the input signals. But in the application software the switching signal is
directly available as bit information.
Spannung
Voltage
Input Filter
Digital
Eingang / Input
U
B
Figure: Block diagram high/low side input for negative and positive sensor signals
GND
Sensor
U
B
GND
Sensor
U
B
High side input for negative sensor signal
Low side input for positive sensor signal