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Command "b": interconnection digital input 2 to digital output 2
Description: Via this command the
RCM
tells the
RCS
of class
m
to switch the signal of the second in-
put (
DIGITAL IN 2
) to the second digital output
DIGITAL OUT
2
.
The
RCS
executes the command and sends the acknowledge which informs via the status
register about the auto switch status (enabled or disabled) and if there is a sync signal on
DIGITAL IN 2
or not.
These conditions together determine the behavior of the
RCS
.
Example:
The command
b
is sent to the second
RCS
:
message
<STX> <TYPE> <ADDRH> <ADDRL>
<Body>
<STATH>
<STATL
<CHKH>
<CHKL> <ETX>
m
0
2
b
3
1
Let's assume the second input is not provided with a signal. Depending on the status of
autoswitch,
DIGITAL OUT 2
is routed then to
DIGITAL IN 1
(autoswitch enabled, sync sig-
nal present on input 2), or the projection module is white.
Let's further assume: autoswitch disabled, sync signal present on input 1, output 1 routed
to input 1.
Thus the status register looks like this:
Status
Auto Switch
Out2
true
Out1
true
Reserved
Out2
target
Out1
target
Prsnt2
Prsnt1
0
1
1
0
1
1
0
1
Thus the acknowledge sent from the second RCS to the master reads:
Acknowledge <STX> <TYPE> <ADDRH> <ADDRL>
<Body>
<STATH>
<STATL
<CHKH>
<CHKL> <ETX>
m
0
2
b
6
d
c
b
Result:
The actual routing of
DIGITAL OUT 2
is the target routing, but since there is no signal
present on
DIGITAL INPUT 2,
the projection module connected to
DIGITAL OUT 2
is white.
Содержание Hermes DXD
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Страница 13: ...2 Summary This chapter gives an overview of the HERMES DXD ...
Страница 50: ...7 Technical Data ...