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Pin
39
41
43
45
47
49
VI: Voltage input / VO: Voltage output
I: Signal input / O: Signal output / GND: Reference potential (ground)
Specification of the digital inputs
Terminal assignment for the digital inputs
The following figure shows an example of the terminal assignment for the digital inputs on
connector X111. Connectors X222 and X333 are assigned analogously.
①
②
Characteristics
• X222: DI 3.0 to 3.7 are connected as rapid inputs.
• The inputs have no signaling (status LEDs).
• The inputs are not isolated.
NCU 1750
Equipment Manual, 10/2023, A5E45627807B AH
Signal name
Output 5.0
Output 5.2
Output 5.4
Output 5.6
DOCOM3
DOCOM3
when using the internal power supply P24OUT
when using an external power supply P24OUT
12.2 PP 72/48D PN and PP 72/48D 2/2A PN
Type
Pin
Signal name
O
40
Output 5.1
O
42
Output 5.3
O
44
Output 5.5
O
46
Output 5.7
VI
48
DOCOM3
VI
50
DOCOM3
ext
Connectable components
Type
O
O
O
O
VI
VI
129
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