Pepperl+Fuchs VBG-ENXK20-DMD-EV Manual page 103

AS-i 3.0 EtherNet/IP+Modbus TCP Gateway
Appendix, Examples
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Select the entry Generic Ethernet Module and confirm with OK.
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Now register all necessary characteristics of the module:
• Controller name
• Comm. format
• IP-Address
• Connection parameters
• Assembly Instance - Input/Output
• Assembly Instance - Configuration
(Register here a number between 1...255)
• Assembly Instance - Size
Assembly Instances
A so-called Assembly Object specifies the structure of objects for the data communica-
tion. The data (e.g.: I/O data) can be combined into blocks with the Assembly Object
Data and sent over only one communication link.
Thus less access to the network are necessary.
It is differentiated between Input Assemblies and Output Assemblies:
-Input Assembly reads application data over the net and/or produces data on the net-
work.
-Output Assembly writes data on the application and/or prozesses data of the network.
In this example the Input Instance 114 and the Output Instance 150 is used (94/
1
92 bytes for in and output data).
Allocation of the data
32 bytes for digital data (A/B slaves)
24 bytes for analog data (slave address 29 .. 31)
1. Byte length depending on the selected "Mailbox Mode" (see chap. <Mailbox mode (command in-
terface length)>.
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