RSTi-OM User Manual Section 11
GFK-3212A Jun 2021
Modbus/TCP Interface
109
Section 11: Modbus/TCP Interface
The IOLM provides a slave-mode Modbus/TCP interface that provides:
• Read access to the Process Data Input (PDI) and Process Data Output (PDO) data blocks for
each IO-Link port
• Write access to the PDO data block for each IO-Link port
• Write access to send ISDU requests to each IO-Link port
• Read access to ISDU responses from each IO-Link port
• Read access to the Port Information Block for each IO-Link port The Modbus interface is
disabled by default. To enable Modbus/TCP:
1.
Click Configuration | Modbus/TCP.
2.
Click the EDIT button in the Modbus/TCP Configuration table.
3.
Select enable in the Modbus Enable drop box.
4.
Click the SAVE button.
Figure 92: Modus/TCP to IO-Link
Refer to Section 13: Functionality Descriptions for detailed information about process data block
descriptions, event handing, and ISDU handling.
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