Fieldbus
Distributed I/O
ET 200SP HA Distributed I/O system
System Manual, 08/2019, A5E39261167-AD
PN/IO subnet on the same internal PN/IO interface of the IO controller (e.g. CPU 410‑5H: X8
connection)
③
●
: 1 PROFINET IO subnet with MRP
④
●
: 2 PROFINET IO subnets
⑤
●
: 2 PROFINET IO subnets with MRP
IO devices based on ET 200SP HA:
③
●
: With one interface module to a single IO controller
④
●
: With two interface modules to a redundant IO controller
⑤
●
: With two interface modules to a redundant IO controller
4.9 Time synchronization and time stamping
Plant planning
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