Siemens SIMATIC S5 Manual page 117

Data Exchange with the Central Controller
Bit 6 Numerical representation in BCD (1) or binary (0). Only for the 16-bit values which
can be read from the IP (messages 17 to 25).
Bit 7 Numerical representation of the setpoints, actual values and controller parameters
(16-bit) in S5 format.
Priorities set by the IP when parameter assignments contradict
1. If pure Pt 100 operation is selected, special function, heating current monitoring, hot channel
control and mixed operation are deleted.
2. If mixed operation is selected, special function, heating current monitoring, hot channel control
and cascaded control are deleted.
3. If hot channel control is selected, special function and main control byte 1 bit 2 are deleted.
4. If heating current monitoring is selected, special function is deleted.
4–50
IP244
C79000–B8576–C860–02