Pilz PSSu E S 4AI U - Manual (Page 27)

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4-11
4.2 Configuration
4 Function description
4.2.5 PSSu assignment in system environment A
PSSu assignment in system environment A 4-
4.2.5.1 Addresses in the process image
Addresses in the process image 4- ][Funktionsbeschreibung_BA_PA 4 x ST-Ein
Each input occupies 16 consecutive bit addresses for the input data.
Each input occupies an additional 8 consecutive bit addresses for the
status byte, where this has been configured for the input. If the status
byte is configured to be transferred without input data, each input occu-
pies 8 consecutive bit addresses. All the status bytes are displayed first
in the PII, followed by the input data.
Bit sequence in the PII, without status byte:
Configuration Standard bus system
ST-PII ST-PIO
Send input data 64 Bit - - -
Send status byte ("R") 32 Bit - - -
Input PII Assignment
Input I0 1 LSB input data
... ...
16 MSB input data
Input I1 17 LSB input data
... ...
32 MSB input data
Input I2 33 LSB input data
... ...
48 MSB input data
Input I3 49 LSB input data
... ...
64 MSB input data