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Behavior of poll function – Yokogawa Standalone MW100 User Manual

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IM MW100-S16E-1
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2.2.4.1. Behavior of Poll function


When Poll function is specified in the function field, DNP master/client functions
search responses from the slave and pick up only objects which have specific group
number and index. After that they store the data into the specified MW100 channels.

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Figure 14. Behavior of Poll function

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When Poll function is specified, DNP master/client does not publish DNP message.

Response

IED

(Slave)

MW100 (Master)

IED

(Slave)

Destination and object

Index and channel number

Screen of DNP 3.0 master setting 3

- DNP message is not published.

- Pick up and store only the data specified.