ABB REO 517 Applications Manual page 195

Multi-function terminals for railway application
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Multiple command (CM)
block as the send block and with a multiple command function block as the receive
block. The configuration for the communication between terminals is made by the LON
Network Tool.
The MODE input is set to Steady at communication between terminals and then the data
are mapped between the terminals.
The command function also has a supervision function, which sets the output VALID
to 0 if the block did not receive data within an INTERVAL time, that could be set. This
function is applicable only during communication between terminals over the LON bus.
The INTERVAL input time is set a little bit longer than the interval time set on the
Event function block (see the document Event function). If INTERVAL=0, then VAL-
ID will be 1, that is, not applicable.
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The setting parameters for the multiple command function are set from the CAP con-
figuration tool.
The multiple command function has a common name setting (CmdOut) for the block.
The MODE input sets the outputs to be one of the types Off, Steady, or Pulse. INTER-
VAL is used for the supervision of the cyclical receiving of data.
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185

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