Function description
Operating Manual PSSu E S 2AI RTD(-T)
22017-EN-07
20
Configurable paramet-
ers
Configurable values
Default
Key
Sign and magnitude
representation
-
Deactivated/
FALSE
Two's comple-
ment is activated
ADC raw value
No raw value,
Raw value of sensor,
Raw value of wire
No raw value
4.3.9
PSSu assignment in system environment A
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 con-
figured for the input. All the status bytes are displayed first in the PII, followed by the input
data.
Configuration
Standard bus system
Input data
ST-PII
ST-PIO
32 Bit
- - -
Input data and status byte ("X")
48 Bit
- - -
Bit sequence in the PII, input data only, no status byte:
Input
PII
Assignment
Input I0
1
LSB input data
...
...
16
MSB input data
Input I1
17
LSB input data
...
...
32
MSB input data
Bit sequence in the PII, input data and status byte:
Input
PII
Assignment
Input I0
1
LSB status byte
...
...
8
MSB status byte
Input I1
9
LSB status byte
...
...
16
MSB status byte
Input I0
17
LSB input data
...
...
32
MSB input data
Input I1
33
LSB input data
...
...
48
MSB input data
