Siemens SIMATIC S5 Manual page 228

Assignment in message 16 of data block DB-B
*)
The message number must be entered by the user
With heating current monitoring, the significance of some bits in error bytes 6 to 14 is different (see
Part 3, Section 3.3, Heating Current Monitoring).
IP244
C79000–B8576–C861–02
Function
5–23