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4.3

Address space

Address space of the electronic module EM 4 IO-Link HF

The electronic module EM 4 IO-Link HF supports a variable address space for I/O data. The

maximum size of the input and output addresses of the electronic module is 32 bytes each.

You specify the assignment of the IO-Link devices to the address space in S7-PCT or

STEP 7. Within the high limit of 32 bytes input and 32 bytes output for the entire module,

additional I/O data lengths are possible. The following table shows the supported address

spaces for I/O data:

Module configuration/

supported address space for I/O data

1-byte input/1-byte output

2-byte inputs/2-byte outputs

4-byte inputs/4-byte outputs

8-byte inputs/0-byte outputs

8-byte inputs/8-byte outputs

12-byte inputs/8-byte outputs

16-byte inputs/16-byte outputs

20-byte inputs/16-byte outputs

32-byte inputs/32-byte outputs

* No PortQualifierInformation is transferred with this configuration.

PortQualifierInformation (PQI)

You can enable the PortQualifierInformation (PQI) for your IO-Link master as of firmware

version V1.1.

Note

PortQualifierInformation (PQI)

If you have activated the PortQualifierInformation (PQI), this is always transferred with the

size 1 byte together with the input data of the IO-Link device.

IO-Link Master (6ES7147-4JD00-0AB0)

Manual, 03/2018, A5E37967003-AB

Parameters/address space

IO-Link master with

firmware V1.0

4.3 Address space

IO-Link master with

firmware V1.1