Internal supply voltage (P24OUT)
The internal power supply for the digital inputs (X111, X222, X333: Pin 2) is derived from the
general power supply of module X1, pin 2 (P24).
Technical data
Table 12-24 Electrical specication of the digital inputs:
Digital inputs min. max. Nominal
High-level voltage (U
H
) 15 V 30 V 24 V
Input current I
IN
at V
H
2 mA 15 mA -
Low-level voltage (U
L
) -3 V 5 V 0 V
Signal delay time T
PHL
0.5 ms 3 ms -
Digital outputs
Characteristics
• No galvanic isolation.
• Protection against: Short-circuit, overtemperature, and loss of ground.
• Automatic disconnection in case of undervoltage.
Terminal assignment for the digital outputs
The following gure shows an example of the terminal assignment for the digital outputs on
connector X111. Connectors X222 and X333 are assigned analogously.
([WSRZHUVXSSO\
9'&VWDELOL]HG
;;;
3LQQXPEHU
'ULYHU
'ULYHU
'ULYHU
5HOD\
33'31
9
9
'2&20[
:
:
:
:
1 (M)
0
Connectable components
12.2 PP 72/48D PN
NCU 1750
Equipment Manual, 01/2022, A5E45627807B AE 125
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