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13.4 High-speed digital outputs (X3)
Figure 18: Output circuit diagram of the high-speed digital outputs on the integrated X3 I/O slot
13.5 Digital inputs/outputs (X3)
To ensure proper operation of the digital mixed channels (DI 5 / DO 5 to DI 8 / DO 8), it is important to observe the
notes in section
"Power supply concept of Compact CPUs" on page
Figure 19: Input/Output circuit diagram of the digital mixed channels on the integrated X3 I/O slot
13.6 Analog inputs (X1)
A PT1000 resistance temperature sensor can be connected to analog input AI 1 and used for temperature mea-
surement.
AI + x I
AI + x U
AI - x U/I
Figure 20: Input circuit diagram of the analog inputs and temperature input on the integrated X1 I/O slot
Data sheet V1.21
Push-Pull
Output status
Logic
Output monitoring
I/O status
LED (orange)
High-side
Output status
Logic
Output monitoring or
Input status
PTC
Shunt
X20(c)CP1301, X20CP1381 and X20CP1382
PTC
18.
I/O status
LED (orange)
PT1000 switching (channel 1 only)
Current/Voltage switching
Ax LED (green)
DO x
DI x / DO x
Input value
A/D
converter
I/O status
29
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