12.2.3
Connecting
12.2.3.1
Interface overview
3RZHUVXSSO\
7HUPLQDOVWULSFRQYHUWHU
5LEERQFDEOH
352),1(7FDEOH
'LJLWDO,2
3RUWDQG
33'31
9'&
352),1(7;
;
;
;
;
1&8[
33'31
0&3&&31
Figure 12-10
I/O module connection options
Table 12-12 PP 72/48D PN I/O module interfaces
Interface
Designation
Type
Power supply connection
X1
Screw-terminal block
PROFINET IO
X2 (ports 1 and 2)
Socket
PROFINET address
S1
DIP switch
Digital input/outputs 1
X111
Ribbon cable connector
Digital input/outputs 2
X222
Ribbon cable connector
Digital input/outputs 3
X333
Ribbon cable connector
12.2.3.2
X1 power supply
Properties
This interface is intended exclusively for the connection of the external 24 V power supply.
On the module side, the power supplies are protected against:
• Polarity reversal
• Short-circuit (elec. current limitation of the outputs)
• Overload (self-restoring PTC fuse - Multifuse)
Connectable components
12.2 PP 72/48D PN
NCU 1740
114
Equipment Manual, 10/2021, A5E51087503B AA