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Parameterization and configuration
6.8 Data status
With cyclic Real-Time communication the transferred data contains a status message.
Each subslot has its own status information: IOPS/IOCS.
This status information indicates whether the data are valid = GOOD (1) or invalid = BAD (0).
During parameterization, execution of the preset adjustment function, as well as in the
boot-up phase the output data can change to BAD for a short time. With a change
back to the status GOOD a "Return-Of-Submodule-Alarm" is transferred.
In the case of a diagnostic alarm the status is also set to BAD, but can be reset only
with a re-start.
Example: Input data IO-Device --> IO-Controller
VLAN Ethertype Frame-ID
4 0x8892 2
Example: Output data IO-Controller --> IO-Device
VLAN Ethertype Frame-ID IOCS
4 0x8892 2
6.9 Configuration example, SIMATIC
For the configuration example the CPU CPU315-2 PN/DP is used:
Figure 10: Configuration example with "CPU315-2 PN/DP"
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Data IOPS ... IOPS
1.. 1 1
IOC IOPS
... Data
S ...
1.. 1 1 ...

Manager
TR-ECE-BA-DGB-0063 v15
... Cycle Data Status
2 1
Data ...IOPS. Cycle Data Status Transfer Status
1.. 2
Transfer Status CRC
1 4
CRC
1 1
Printed in the Federal Republic of Germany
04/25/2022
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