PROFINET IO
5.3 Device replacement without exchangeable medium / ES
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
53
Examples of connection paths
The IO controller of CPU
410
① spans
PROFINET IO system 1
and directly controls devices
on the Industrial Ethernet
and PROFIBUS.
At this point, you see the IO features between the IO controller, intelligent device, and the
IO device(s) on Industrial Ethernet:
• The CPU 410
① is the IO controller for the following components:
– for the ET 200SP HA I/O device
⑤
– for switch 3
– for the I device CPU 317-2 PN/DP
④
– for the IE/PB link ⑥
• The IE/PB link is the master for the DP slave ⑩ and maps the latter as a device ⑩ in
the PROFINET IO.
The fault-tolerant system,
consisting of CPU 410
② + ③, spans the
PROFINET IO system 2 as
IO controller.
This IO controller operates
IO devices in system re-
dundancy as well as a one-
sided IO device.
The fault-tolerant system, consisting of CPU 410
+
, spans the PROFINET IO control-
ler system 2 as IO controller. This IO controller operates IO devices in system redundancy
as well as a one-sided IO device.
Here, you can see that a fault-tolerant system can operate both system-redundant IO devic-
es and one-sided IO devices:
• The fault-tolerant system with its two IO controllers in rack 0 and rack 1 provides the IO
controller for both system-redundant IO devices ET 200
⑦ + ⑧ and for the one-sided
IO device
⑨.
You will find further information about PROFINET IO in the documents listed below:
● In manual PROFINET system description
(http://support.automation.siemens.com/WW/view/en/19292127)
● In Programming Manual Migration from PROFIBUS DP to PROFINET IO
(http://support.automation.siemens.com/WW/view/en/19289930)
Device replacement without exchangeable medium / ES
IO devices having this function can be replaced in a simple manner:
● No exchangeable medium with stored device name is required. The name that you
assigned for the IO device in HW Config applies.
● The PROFINET IO topology must be configured in HW Config for this.
● The "Support device replacement without exchangeable medium" option must be
selected on the interface of the IO controller.
● The device name does not have to be assigned with the ES.
The replacement IO device receives the device name from the IO controller. The IO
controller uses the configured topology and the relations determined by the IO devices.
The configured target topology must match the actual topology.
Before reusing IO devices that you already had in operation, reset these to factory settings.
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