Analog Value Representation - Siemens SINUMERIK 840D sl Manual

Connectable components
9.3 PP 72/48D 2/2A PN
Examples of programming
1. Determine control type:
2. Set the operating mode:
3. Query the error status bit in cyclic operation:
9.3.5.3

Analog value representation

Note
The analog values of the inputs and outputs are written or read in 16 bit data format i.e. they
must be accessed word by word.
The analog values are provided as 16 bit integer values. Depending on the operating mode,
the measured values must be converted using the following factors in order to achieve the
corresponding physical value.
Factor (AI):
Factor (AO):
Calculation: 16 bit value (hex. or dec.) * factor = measured value
138
Voltage [V]
0.00152
0.00038
Current [mA]
0.00305
0.00076
Manual, 06/2014, 6FC5397-1EP40-5BA1
Temperature [°C]
0.1
-
NCU 7x0.3 PN, NCU 7x0.3B PN