Message - Siemens SIMATIC S5 Manual

2.4 Message 16

Message 16 serves as a signalling message. It contains general status information and the error
bytes of the controllers or voltage channels. It can only be read. Message 46 contains further error
bytes.
Fig. 2.4/1 Structure of message 16
IP244
C79000–B8576–C860–02
Data Exchange with the Central Controller
4–55