Siemens SIMATIC PP7 Equipment Manual page 30

LEDs
8
16
Figure 3-3 Numeration of the LEDs on the Push Button Panel
Digital outputs
1
16
Figure 3-4 Numeration of the digital outputs on the Push Button Panel
The following table indicates the data area for keys, LEDs, digital inputs and
digital outputs of the Push Button Panel in the PLC:
Keys
Digital inputs
LEDs
Digital outputs
Total
A data area for the entire length must be set up, even when the full functional
capacity of the unit is not used.
3-2
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Bit 7
1
Byte n
Byte n+1
Byte n+2
Byte n+4
9
Bit 7
Byte n DO8
Byte n+1 DO8
Byte n+2 DO16
Byte n+4 DO16
Marker area PP7
1 Byte
1 Byte
2 bytes
-
4 Bytes
L8
L8
L16
L16
Bit 0
DO1
DO1
DO9
DO9
PP17-I
2 Bytes
2 Bytes
4 Bytes
4 Bytes
12 Bytes
PP7, PP17-I, PP17-II Equipment Manual
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Bit 0
L1
Red
L1
Green
L9
Red
L9
Green
PP17-II
4 Bytes
2 Bytes
8 Bytes
4 Bytes
18 Bytes
Release 06/98