18
4. Digital input (PNP)
Digital Input
terminal
parameter
Min
Typical value
Max
Unit
DIx
Voltage
-3
-
30
V
DIx
OFF area
-3
-
5
V
DIx
ON area
11
-
30
V
DIx
Current (11-30V)
2
-
15
MA
DIx
Features
-
PNP
-
Type
DIx
IEC 61131-2
-
3
-
Type
The digital inputs are equipped with weak pull-down resistors. This means that the
reading of the floating input is always low.
Example of using a digital input
：
The example above shows how to connect a simple button or switch. This example
illustrates the power supply of an IO board to power an external device. If the external
system is to be powered by its own power supply, it requires common processing.
POWER
DI
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