Balluff BIS M-370-000-A02, Manual, Page: 132 / 198

PROFIBUS INTERFACE
125
9
Data Transmission Slave → Master
The transmission state machine is shown to understand how a single block is transmitted
and received. This protocol guarantees a basic flow control mechanism from slave to master.
Figure 70 - Slave to Master Transmission State Machine
Data Transmission Master → Slave
The receive state machine is shown to understand how a single block is transmitted by the
master and received by a slave. This protocol guarantees a basic flow control mechanism
from master to slave.
Figure 71 - Master to Slave Reception State Machine