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3.5
Configuration limit for IO devices
3.5.1
Maximum number of connections to IO controllers
Definition
A maximum of 4 IO controllers are allowed to be connected to the IO device.
3.5.2
Maximum permissible bytes
Definition
The maximum bytes in the input data area or for bytes in the output data area depend on the
following:
• Connection type
• Number of IO controllers with connection to the shared device
• Configuration in Run
Description
The following maximum permissible number of bytes are available in the input data area or for
bytes in the output data area:
Connection type
Number of IO controllers with
connection to the shared de‐
vice
Requirement for the input data or out‐
put data
Without system redun‐
dancy
1 IO controller
Maximum of 1440 bytes each
2 IO controllers
Maximum of 1440 bytes for each control‐
ler
3 or 4 IO controllers
Maximum of 360 bytes each
System redundancy S2
1 redundant IO controller
Maximum of 1000 bytes each
1 redundant IO controller and
1 additional IO controller
Maximum of 360 bytes each
System redundancy R1
Maximum of 1440 bytes each
See also
Online Support (
https://support.industry.siemens.com/cs/ww/en/view/109760425
)
Product overview
3.5 Configuration limit for IO devices
IM 155-6 PN HA
Equipment Manual, 09/2021, A5E39262148-AE
19
Содержание ET 200SP HA
Страница 6: ...Security information IM 155 6 PN HA 6 Equipment Manual 09 2021 A5E39262148 AE ...
Страница 8: ...Preface IM 155 6 PN HA 8 Equipment Manual 09 2021 A5E39262148 AE ...
Страница 24: ...Parameters IM 155 6 PN HA 24 Equipment Manual 09 2021 A5E39262148 AE ...
Страница 26: ...Behavior of the device name IM 155 6 PN HA 26 Equipment Manual 09 2021 A5E39262148 AE ...