IFM AL1340, Operating Instructions Manual

Page: 69 / 129

IO-Link Master with Modbus TCP Interface DataLine 4 Ports IP 65 / IP 66 / IP 67
69
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9.3.6 Write output data of several IO-Link ports
34472
Register area for compact access to the output data of the IO-Link ports
X01…X04: →
Output Data
(
→ S.
96 )
The area contains the following data:

Digital output data on pin 4 (DO)

IO-Link output data of the IO-Link ports
► Observe the general rules for access to the Modbus registers (→
Rules for accessing the
Modbus registers (
→ S.
73 ))!
Several connected register areas can be written with one write command.
The IO-Link master writes only the outputs in "Compact Output Data" that are completely
covered by the transferred output data.
Example: The configured process data length is 4 bytes. If all in all 5 words have been
transferred to register 600, the IO-Link master writes the outputs X01 (words 1+2) and X02
(words 3+4). The output X03 is not written.
► When writing the IO-Link outputs, ensure that the output data has the correct length!
The output data is invalid in the following situations:

no Ethernet cable connected

PLC has terminated the connection

Connection to the PLC has a timeout
Register Inhalt Zugriff
599 Port X01...X04: Digital Output - Pin 4 (DO) r/w
600 Port X01...X04: Compact Output Data IO-Link (4n bytes) r/w
r/w = read and write
n = [2,4,8,16,32]; is determined by parameters [Process Data Length] (
→
Configuration Area (
→ S.
88 )