Toshiba ICC Multiprotocol Ethernet Interface ASD-G9ETH User Manual download pdf (Page 76)

ICC

ii) If “Cache Connections” is enabled (checked), the connection

remains open after transmission. If disabled (unchecked), the

connection is opened before and closed after every transmission.

For efficiency, it is recommended to enable “Cache Connections”.

e) Click “OK” to close the MSG Configuration dialog. At this stage,

MainRoutine should look like Figure 75.

Figure 75: MainRoutine

5) Assign a tag to the XIO element.

a) Double-click on the XIO element located to the left of the MSG block.

In the drop-down box, double-click on the “connection.EN” field. Refer

to Figure 76. This configuration causes the MSG instruction to

automatically retrigger itself when it completes. While this is

acceptable for the purposes of this example, it can produce high

network utilization. In actual practice, it may be desirable to

incorporate additional logic elements to allow triggering the MSG

instruction at a specific rate or under specific conditions.

Figure 76: Configure XIO Element

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Toshiba ICC Multiprotocol Ethernet Interface ASD-G9ETH User Manual Page 76