Yokogawa Standalone MW100 - Manual (Page 104)

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IM MW100-S16E-1
Ed01
2.5.16. DNP datalink layer setting (WY)
This command is used to configure behavior of datalink layer of DNP protocol stack.
For implementing DNP communication functions, this command is added.
- Setting
WY p1, p2, p3, p4 35
p1 : datalink layer confirmation (NEVER, ALWAYS, SOMETIMES)
NEVER : Never require confirmation
ALWAYS : Always require confirmation
SOMETIMES : Require confirmation only when
multi-frame is sent
p2 : Timeout to wait for confirmation [s] (1 to 60)
p3 : Maximum retry count to send (0 to 5)
p4 : Period to check link status [s] (0 to 3600) 36
- Query
WY ?
35 Unless DNP option is specified, command can't be used.
36 When zero is set to p4, keep alive function is disabled.