WAGO-I/O-SYSTEM 750
Appendix 101
750-657 IO-Link Master
Manual
Version 1.0.2, valid from FW/HW-Version 02/01
The "IOL_PD" service can then be used to transport cyclically, e.g. 16 bytes of
the process image of an IO-Link device in 4 cycles via a 5-byte port segment (1
byte is used to control fragmentation).
Figure 41: Fragmentation service
The data of the port segment is transferred via Mailbox 2.0.
A Mailbox instance is required to transfer the data per IO-Link port to be
fragmented. If you work with WAGO-I/O-
PRO
, use the
"IOL_Data_IO_Fragmented" function block.
More information about using the Mailbox in connection with WAGO-I/O-
PRO
is
available in section "Mailbox 2.0 Transmission Method".
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Process image modules
Port segment
Process image control
IO-Link
Fieldbus
Mailbox control/
status byte
Process image IO-Link device