Siemens SIMATIC PP7 - Page 32

3-4
PP7, PP17-I, PP17-II Equipment Manual
Release 06/98
Digital inputs 1–8
Digital inputs 9–16
Structure of the data in the PLC:Element assignment:
0
Keys 1–8
Keys 9–16
Keys 17–24
Keys 25–32
Key 1
LED 1
Digital
output 10
Digital
input 5
Key 24
LED 24
0
1
8
16
7
10
17
Bit Assignment:
LEDs 1–8
LEDs 9–16
LEDs 17–24
LEDs 25–32
Digital outputs 1–8
Digital outputs 9–16
Byte
}
}
}
}
}
}
1
8
16
Digital
inputs
1–16
(DI)
Digital
outputs
1–16
(DO)
Figure 3-7 Control bits for PP17-II
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