Data Sheets
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10.13 General Notes on the Data Sheets
10.13.1 I/O Modules
The block diagrams in the data sheets always show the direction of signal flow from top to bot-
tom.
For input modules the input signal (from sensor, proximity switch etc.) is lead via the cable con-
nector and input module to the I/O bus or in the mechanical principle from the front to the rear
side of the I/O subrack.
For output modules the result of the logic operation in the user program is connected from the
I/O bus to the output amplifier via the cable connector to the actuator (relay, solenoid valve
etc.). The mechanical principle is from the rear to the front side of the I/O subrack.
In the block diagrams the 5 V and 24 V operating voltages connections are shown.
10.13.2 Modules within the Central Subrack
Here you can see the essential components and the positions of switches and jumpers. Addi-
tionally the front plate is shown. The essential functions are described in the system descrip-
tions (chapter 3 for the H41q and chapter 4 for the H51q as well as the data sheets of the
systems/assembly kits).
10.13.3 Communication Modules
Applications for the using of the communication modules are described in the appertaining
data sheets.
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