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184
Multiple command (CM)
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The terminals may be provided with a function to receive signals either from a substa-
tion automation system or from other terminals via the interbay bus. That receiving
function block has 16 outputs that can be used, together with the configuration logic cir-
cuits, for control purposes within the terminal or via binary outputs. When it is used to
communicate with other terminals, these terminals have a corresponding event function
block to send the information.
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One multiple command function block CM01 with fast execution time also named %L
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blocks CM02-CM80 with slower execution time are available in the REx 5xx terminals
as options.
The output signals can be of the types Off, Steady, or Pulse. The setting is done on the
MODE input, common for the whole block, from the CAP configuration tool.
•
0 = Off sets all outputs to 0, independent of the values sent from the station level,
that is, the operator station or remote-control gateway.
•
1 = Steady sets the outputs to a steady signal 0 or 1, depending on the values sent
from the station level.
•
2 = Pulse gives a pulse with one execution cycle duration, if a value sent from the
station level is changed from 0 to 1. That means that the configured logic connected
to the command function blocks may not have a cycle time longer than the execu-
tion cycle time for the command function block.
The multiple command function block has 16 outputs combined in one block, which can
be controlled from the operator station or from other terminals. One common name for
the block, with a maximum of 19 characters, is set from the configuration tool CAP.
The output signals, here OUT1 to OUT16, are then available for configuration to built-
in functions or via the configuration logic circuits to the binary outputs of the terminal.
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The multiple command function block can also be used to receive information over the
LON bus from other REx 5xx terminals. The most common use is to transfer interlock-
ing information between different bays. That can be performed by an Event function
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