Pilz PSSu E S 2AI RTD - Manual (Page 21)

Function description
Operating Manual PSSu E S 2AI RTD(­T)
22017­EN­06 21
Structure and contents of the status byte:
Bit number Content Meaning
0 0 Input value above or equal to the lower limit value
1 Value below the lower limit value
1 0 Input value below or equal to the upper limit value
1 Value above the upper limit value
2­5, 7 0 Reserved
1 Reserved
6 0 No module error
1 Module error
4.2.10 PSSu assignment in system environment B
Data access is via pre­defined I/O data types:
I/O data name I/O data type I/O data element Meaning
I0(11, 21)
I1(14, 24)
ST_I_THERMO Data: WORD Input data I0 ... I1
Underrange: BOOL 0: Input value above or equal to the lower
limit value
1: Value below the lower limit value
Overrange: BOOL 0: Input value below or equal to the upper
limit value
1: Value exceeds the upper limit value