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6.3 Comm ands for broadcast addressing
In principle, all commands can be sent in broadcast addressing mode, however, some of the valid com-
mands are not very useful to be sent to all of the
RCS
simultaneously.
The following table lists the commands for reasonable broadcasting addressing. For H
ERMES
DXD it's
the switching commands which are apt to be sent in broadcasting addressing.
command
description
t
selects input from first graphical controller
as signal for
Digital Out 1
a
selects input from second graphical controller
as signal for
Digital Out 1
s
selects input from first graphical controller
as signal for
Digital Out 2
b
selects input from second graphical controller
as signal for
Digital Out 2
Example:
If all
RCS
of class
m
are to select the input from the second graphical controller as
signal for
Digital Out 1
, the
RCM
sends the following broadcast command:
Syntax
<STX> <TYPE> <ADDRH> <ADDRL>
<Body>
<STATH>
<STATL
<CHKH>
<CHKL> <ETX>
M
0
0
a
0
e
<TYPE>
M
(upper case, since the
RCS
are of class
m
and it is a broad-
casting addressing)
<ADDRH><ADDRL>
in broadcast addressing it is always
00
The command passes all members of the Remote Control chain and is executed simultaneously by all
RCS
. It then reaches unmodified the
RCM
.
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