4
Mounting and Wiring
4.2.4
CPU I/O Connectors
4-16
( 5 ) Input Circuits
The following table shows the CPU I/O Connector input circuit specifications.
 DI_00 is shared with an interrupt input. If DI_00 is turned ON while interrupts are enabled, the
interrupt processing drawing is executed.
Fig. 4.1 Digital Input Circuit (Sink Mode Input)
Fig. 4.2 Digital Input Circuit (Source Mode Input)
Item Specifications
Inputs
8 points
DI-00 General-purpose input (shared with interrupts)
DI-01 to DI-07 General-purpose input
Input Format
Sink mode/source mode input
Isolation Method
Photocoupler
Input Voltage
±
24 VDC
±
20
ï¼…
Input Current
4.1 mA (TYP.)
ON Voltage/Current
15 VDC min./2.0 mA min.
OFF Voltage/Current
5 VDC max./1.0 mA max.
ON Time/OFF Time
ON: 1 ms max.
OFF: 1 ms max.
Number of Commons
8 points
+5 V
0.01µF
Input
register
DI_COM
DI_IN
+24 V
5.6 kΩ/0.5 W
0
24
R
R
R
+5 V
Input
register
DI_COM
DI_IN
+24 V
0
24
5.6 kΩ/0.5 W
R
R
R