Agilent Technologies Turbo-V 3K-G 969-8888 Notice De Mode D'emploi page 349

Figure 42
Tab. 11
Status
POWER_ON
SRC_ADDR
IDENTIFY
DATA_EX
The two machines continuously share I/O data with the relative bus,
and interact each other only in following conditions:


As a general rule, unrecoverable communication errors make each
machine to jump to the state immediately following the power-on
state (WAIT_PRM or SRC_ADDR)
Turbo-V 3K-G Pumping System User Manual / 87-901-011-01
Internal Link State Machine
Meaning
Interface set-up
Search for the controller serial address
Identify controller model and protocol
Regular data exchange
ProfiBus Data Exchange is suspended (static diagnosis activated)
if the internal serial link in not es tablished
Internal serial link Data Exchange is suspended (only for output
data) if the ProfiBus State machine is not in Data Exchange mode
Technical Information
Profibus Option
(C)
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