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Yokogawa Standalone MW100 User Manual

Page 103

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IM MW100-S16E-1
Ed01

2.5.15. DNP application layer setting (WX)

This command is used to configure behavior of application layer of DNP protocol
stack. For implementing DNP communication functions, this command is added.

- Setting


WX p1, p2, p3, p4

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p1 : Application layer confirmation (NEVER, ALWAYS, SOMETIMES)

NEVER :

Never require confirmation

ALWAYS :

Always require confirmation

SOMETIMES : Require confirmation only when

multi-fragment

is

sent

p2 : Timeout to wait for confirmation [s] (1 to 60)

p3 : Maximum retry count to send (-1 to 5)

34

p4 : Maximum size of sending fragment [byte] (200 to 8192)

- Query

WX ?

33

Unless DNP option is specified, command can't be used.

34

When -1 is set to p3, DNP slave/server repeat sending until confirmation is received.